CN108021471A

CN108021471A - The method of data storage device, data handling system and manufaturing data storage device

Info

Publication number: CN108021471A
Application number: CN201711068193.4A
Authority: CN
Inventors: 金东佑; 金炳喜; 金敬镐; 金石焕
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2016-11-04
Filing date: 2017-11-03
Publication date: 2018-05-11

Abstract

A kind of method that the present invention discloses data handling system, data storage device and manufaturing data storage device, can improve performance and service life.The data handling system may include host, data storage device and the battery that electric power is supplied to the host and the data storage device.The data storage device may include：Memory, stores the data received from the host；Cache memory, data described in interim storage；And controller, control the memory and the cache memory.The controller can be configured to：Receive the detachable attribute of the battery from the host, and whether the detachable determined property based on the battery in response to receiving writing commands from the host performs the backup operation of the data.

Description

The method of data storage device, data handling system and manufaturing data storage device

The cross reference of related patents

The korean patent application 10- that this application claims file an application on November 4th, 2016 in Korean Intellectual Property Office No. 2016-0146838, the korean patent application 10- to file an application on March 31st, 2017 in Korean Intellectual Property Office No. 2017-0041512 and in the korean patent application 10- to file an application in Korean Intellectual Property Office on the 20th of September in 2017 The priority of No. 2017-0120908, the disclosure of the korean patent application are incorporated by the application for reference.

Technical field

Device and method accoding to exemplary embodiment are related to a kind of data storage device including the data storage device Data handling system and manufaturing data storage device method.

Background technology

Recently, nonvolatile memory class storage device increasingly gets consumer reception.For example, MP3 player, number Word camera, mobile phone, camcorders, flash card (flash card), solid state drive (solid-state drive, ) etc. SSD more and more using nonvolatile memory as memory element.

With using increase of the nonvolatile memory as the device number of memory element, the appearance of nonvolatile memory Amount also quick increase.It is the multilayer list being stored in multiple positions in one memory cell to increase one of method of memory span First (multi-level cell, MLC) method.

For example, in the situation for the multilevel-cell (MLC) being wherein stored in long numeric data in one memory cell In, can be in a memory cell to least significant bit (least significant bit, LSB) and highest significant position (most significant bit, MSB) (that is, the data of two kinds positions) are programmed.

Therefore, both highest significant position is programmed in a memory cell, the mistake being also programmed to least significant bit Cheng Zhong, mistake may occurs because of unexpected program mal.To prevent mistake and ensuring data storage device Integrality, can be used unexpected power interruption recovering (sudden power off recovery, SPOR) method, the method execution pair The backup or periodic synchronous is carried out to the data of interim storage in the cache that least significant bit carries out.Citing For, to be synchronized to data, clear operation can be used or force cell access (FUA) operation.

Meanwhile data storage device can perform dormancy to run in a sleep mode, so as to perform power management.

The content of the invention

The invention discloses a kind of data storage device and include the data handling system of the data storage device, institute Stating data storage device can improve performance and service life in the following manner：Based on battery information (it include on battery whether It is dismountable information) to determine whether performing least significant bit backup operation or simultaneously operating (that is, it is judged that whether performing suddenly Power interruption recovering operates).

The invention discloses a kind of data storage device and include the data handling system of the data storage device, institute Stating data storage device can improve performance and service life in the following manner：The data storage dress is determined based on battery information Operational mode when performing the input and output order from host is put, the battery information is included on battery charging rate Information.

The invention discloses a kind of data storage device, the data storage device can improve performance in the following manner And the service life：Judge whether the data storage device performs the synch command from host, the battery based on battery information Information includes battery charging rate and battery charge state information.

One side accoding to exemplary embodiment, a kind of data handling system may include host, data storage device and to The battery of the host and data storage device supply electric power, the data storage device include：Memory, is configured to Store the data received from the host；Cache memory, is configured to data described in interim storage；And controller, It is configured to control the memory and the cache memory.The controller can be further configured to：From described Host receives the detachable attribute of the battery, and the detachable determined property based on the battery whether in response to from The host receives writing commands to perform the backup operation of the data.

One side accoding to exemplary embodiment, a kind of data storage device may include：Interface, is configured to connect from host Receive order and data；Memory, is configured to store the received data；Cache memory, is configured to deposit temporarily Store up the data；And controller, be configured to based on the order received from the host come control the memory and The cache memory.The order may include for the detachable of the battery to data storage device supply electric power Attribute.The data may include least significant bit (LSB) and highest significant position (MSB).The controller can be further configured Into the detachable determined property based on the battery whether in response to receive writing commands from the host perform by The least significant bit of the data is stored in the memory and the backup operation in one in the cache memory.

One side accoding to exemplary embodiment, a kind of data storage device may include：Interface, is configured to connect from host Receive order and data；Memory, is configured to store the received data；Cache memory, is configured to deposit temporarily Store up the data；And controller, it is configured to control the memory and the height based on the order of the host Fast buffer storage.The order may include the detachable attribute for the battery to data storage device supply electric power. Whether the controller can be further configured to the detachable determined property based on the battery in response to from the master The least significant bit (LSB) that machine receives writing commands to perform the data is stored in the memory and delays with the high speed Rush the backup operation in one in memory.

One side accoding to exemplary embodiment, a kind of data handling system may include：Host；Data storage device；And To the host and the battery of data storage device supply electric power.The data storage device may include：Memory, by with It is set to the data that storage is received from the host；Cache memory, is configured to data described in interim storage；And control Device, is configured to control the cache memory.The controller can be further configured to：Receive and fill from the host Electrically operated status attribute, the charging operations status attribute represent the charging operations state of the battery, and are filled based on described Electrically operated status attribute judges whether to perform dormancy in response to receiving dormancy into request from the host.

The present invention also provides a kind of data storage device, and the data storage device can improve performance in the following manner And the service life：Stopped based on battery information (it includes the information about whether executed battery charging operation) to determine whether performing Sleep.

One side accoding to exemplary embodiment, a kind of data storage device include：Interface, order and number are received from host According to；Cache memory, the data that interim storage is received；Memory, stores the speed buffering and deposits non-provisionally The data stored in reservoir；And controller, the storage is controlled based on the order received from the host Device and the cache memory, wherein the order includes being used for the battery to data storage device supply electric power Charge rate, and the controller judges whether the data storage device is in idle condition, and when data storage dress Put when being in the idle condition, the charge rate based on the battery received determines the data storage device Current operational mode (active operation mode).

One side accoding to exemplary embodiment, a kind of data storage device include：Interface, order and number are received from host According to；Cache memory, the data that interim storage is received；Memory, stores the speed buffering and deposits non-provisionally The data stored in reservoir；And controller, the storage is controlled based on the order received from the host Device and the cache memory, wherein the order includes being used for the battery to data storage device supply electric power Charge rate and charging status information, and when receiving synch command from the host, the controller is based on being received The charge rate and the charging status information of the battery judge whether to perform simultaneously operating.

One side accoding to exemplary embodiment, a kind of method of manufaturing data storage device include：Data storage is provided Device；And the data storage device is tested, the data storage device includes：Interface, from external reception order And data；Cache memory, the data that interim storage is received；Memory, stores the high speed and delays non-provisionally Rush the data stored in memory；And controller, control the memory and the speed buffering to deposit based on the order Reservoir, wherein the order includes being used to believe to the charge rate and charged state of the battery of storage device supply electric power Breath, and described test is carried out to the data storage device include the control that test bag is contained in the data storage device Whether the charge rate based on the battery and the charging status information determine showing for the data storage device to device Whether simultaneously operating is performed with operational mode and the data storage device.

However, various aspects of the invention are not limited only to herein described aspects.By referring to this hair given below Bright detailed description, for the those of ordinary skill in fields of the present invention, of the invention will become above and in terms of other It must become readily apparent from.

Brief description of the drawings

Elaborate the various exemplary embodiments of the present invention by referring to accompanying drawing, it is of the invention more than and other side and Feature will become more apparent from, in the accompanying drawings：

Fig. 1 is the block diagram for illustrating data handling system accoding to exemplary embodiment.

Fig. 2 is the block diagram for illustrating data storage device accoding to exemplary embodiment.

Fig. 3 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.

Fig. 4 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.

Fig. 5 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.

Fig. 6 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.

Fig. 7 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.

Fig. 8 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.

Fig. 9 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.

Figure 10 A are the flow charts for explaining the operation of the data handling system according to some exemplary embodiments.

Figure 10 B are the flow charts for explaining the operation of the data handling system according to some exemplary embodiments.

Figure 11 is the flow chart for explaining the operation of the data handling system according to some exemplary embodiments.

Figure 12 A are the schematic diagrames for explaining the clear operation of the data storage device according to some exemplary embodiments.

Figure 12 B are to be operated for explaining according to the pressure cell access of the data storage device of some exemplary embodiments Schematic diagram.

Figure 13 is the flow chart for explaining the operation of the data handling system according to some exemplary embodiments.

Figure 14 is the flow chart for explaining the operation of the data handling system according to some exemplary embodiments.

Figure 15 is the block diagram for showing the accumulator system including data handling system accoding to exemplary embodiment.

Figure 16 be show accoding to exemplary embodiment the various of the accumulator system including data handling system are installed The schema of the application example of electronic apparatus.

Figure 17 is the schematic diagram for explaining the method for the manufaturing data storage device according to some exemplary embodiments.

The explanation of symbol

100：Data storage device

110：Controller

120：Cache memory

130、1120：Memory

140：Interface

200：Host

300、1150：Battery

1000、2000：Accumulator system

1100：Data handling system

1110：Memory Controller

1200：Modem

1300：Central processing unit

1400：Random access memory

1500：User interface

1600：System bus

2100：Mobile phone

2200：TV

2300：ATM

2400：Elevator

2500：Instrument board camera

2600：Portable digital music player

2700：E-book reader

2800：Global positioning system

LU1：First logic unit

LU0：Second logic unit

CMD：Order

HW：Hardware

HEN：Dormancy enters

HEX：Dormancy is exited

S110~S175, S210~S275, S310~S375, S410~S475, S510~S565, S610~S660, S710~S760, S800~S830, S820_1, S820_2, S822_1, S822_2, S824_1, S824_2, S830_1, S830_ 2nd, S830_3, S830_4, S910~S966, S1010~S1066, S1110~S1145, S1710~S1720：Step

Embodiment

Hereinafter, will be elaborated referring to figs. 1 to Figure 11 according to the data storage devices of various exemplary embodiments and Include the data handling system of the data storage device.

As shown in Figure 1, data handling system may include data storage device 100, host 200 and battery 300.Herein, often One element may make up single chip, module or device, and also may be included in a device.For example, data store Device 100 reuses after may be connected to host 200.However, the present invention is not limited only to this, and data storage device 100 and master Machine 200 can be integrated into a device.

Application program or file system can be used for example to read or write to be sent to data storage device 100 for host 200 The request such as order.For example, host 200 can transmit to data storage device 100 and be used to indicate write operation or simultaneously operating Performance order CMD.Data storage device 100 may be in response in the order included request (for example, writing commands or Synch command) to transmit response message to host 200.

Data storage device 100 can control internal operation (for example, reading or writing according to the request from host 200 Operation, simultaneously operating etc.).

Data storage device 100 may include non-volatile memory device.For example, data storage device 100 can wrap Include PC cards and (also serve as personal computer memory card international federation (Personal Computer Memory Card International Association) or PCMCIA and it is known), compact flash (compact flash Card, CFC), smart media card (smart media card, SMC), memory stick (memory stick), multimedia card (multimedia card, MMC), miniature multimedia card (reduced size MMC, RS-MMC), Multimedia Micro Cards (micro MMC, MMCmicro)), secure digital (secure digital, SD) card (safe digital card (SD), mini safe number Word card (miniSD), miniature secure digital card (microSD), high-capacity secure digital card (secure digital high Capacity, SDHC)), generic flash memory device (Common Flash Memory memory element (universal flash storage, UFS)), embedded multi-media card (embedded multimedia card, Emmc) etc..However, the present invention is not limited only to This.

Battery 300 can be included into data handling system element supply electric power.That is, battery 300 can be to number Electric power is supplied according to storage device 100 and host 200.Battery 300 can be configured to from data handling system dismounting can Dismantle battery, or the fixation battery that can not be dismantled from data handling system.

Battery has detachable attribute or fixed attribute in a data processing system.That is, when battery 300 can be from number During according to processing system entity separation, battery is considered as detachable battery.On the contrary, when battery 300 cannot be real from data handling system When body separates, battery is considered as fixed battery.

When battery 300 is detachable battery, the electric power supplied to data storage device 100 and host 200 can be in accident It is interrupted in situation.In order to guard against this situation, data storage device 100 can perform unexpected power interruption recovering (SPOR) operation.Slightly After will be apparent from the operation of unexpected power interruption recovering.

However, when battery 300 is fixed battery, the electric power supplied to data storage device 100 and host 200 is seldom anticipated Outer interruption.In this case, data storage device 100 need not perform unexpected power interruption recovering operation.Work as data storage device 100 when not performing the operation of unexpected power interruption recovering, can save and perform data handling system needed for unexpected power interruption recovering operation Resource, so as to improve performance and the service life of data handling system.

Host 200 can transmit the information (that is, battery information) on battery 300 to data storage device 100.Battery information It may include charging operations status attribute of the detachable attribute of battery 300, the charge rate of battery 300, battery 300 etc..Battery 300 detachable attribute is to represent that battery 300 is dismountable or fixed information, and the charge rate of battery 300 is table Show the information for the percentage that battery 300 has been electrically charged.In addition, the charging operations status attribute of battery 300 can represent that battery 300 is worked as It is preceding whether to charge.The details of battery information is illustrated later with reference to Fig. 3 to Fig. 9.

In addition, host 200 can transmit data protection attributes to data storage device 100.Data are illustrated later with reference to Fig. 5 Protect the details of attribute.One side accoding to exemplary embodiment, the number of data storage device 100 is passed to from host 200 It can be included in above-mentioned battery information or can separately be transmitted with the battery information according to protection attribute.

Inquiry request agreement (query request protocol) can be used to come to data storage device 100 for host 200 Battery information and data protection attributes are transmitted, but the scope of the present invention is not limited only to this.

As shown in Fig. 2, data storage device 100 may include controller 110, cache memory 120, memory 130 And interface 140.Controller 110 can be controlled cache memory 120, memory 130 and interface 140.Controller 110 Executable command and by interface 140 between host 200 and memory 130 and in host 200 and cache memory 120 Between perform data exchange.In addition, controller 110 may include at least one processor.Included processor in controller 110 It can be microprocessor, but be not limited only to this.

Cache memory 120 can the data that are received from host 200 of interim storage.Cache memory 120 can wrap Include high-speed volatile memory or high speed nonvolatile memory.For example, cache memory 120 can be static random Single-layer type unit (the single level of memory (static random access memory, SRAM) or flash memories Cell, SLC) region, but the present invention is not limited only to this.

Cache memory 120 can loading firmware (firmware, F/W), and firmware (F/ can be needed in controller 110 Controller 110 is provided to when W).Firmware (F/W) may include the various orders needed for the operation of controller 110.The order Machine language can be included (for example, assembler language (assembly language), and can be generated by the combination of the order For performing the firmware code (F/W codes) of specific operation.However, the present invention is not limited only to this.

Memory 130 can store the data received from host 200.Memory 130 may include nonvolatile memory.Citing For, memory 130 can be to include and non-flash flash memories.Flash memories may include single layer cell region and multilayer Unit area.However, the present invention is not limited only to this.

Interface 140 is run using the agreement of execution data exchange between host 200 and controller 110 is used for.Lift For example, interface 140 can be configured to be led to for example, by least one and host 200 in following various communication protocols Letter：Universal Serial Bus (Universal Serial Bus, USB), multimedia card (MMC), peripheral cell interconnection (peripheral component interconnection, PCI), fast peripheral element interconnection (PCI-express, PCI- E), advanced techniques attachment (Advanced Technology Attachment, ATA), serial advanced technology attachment meet (Serial- ATA, SATA), parallel advanced technology attachment (Parallel-ATA, PATA), minicom low profile interface (Small Computer Small Interface, SCSI), enhanced minidisk interface (Enhanced Small Disk Interface, ESDI), it is integrated drive electronics (Integrated Drive Electronics, IDE), quick non-volatile Property memory (Nonvolatile Memory Express, NVMe) and inquiry request agreement.In addition, interface 140 may include to A few processor.Included processor can be microprocessor in interface 140, but be not limited only to this.

Data storage device 100 can further comprise data/address bus, controller 110, cache memory 120, storage Device 130 and interface 140 can be exchanging data with one another by data/address bus.Data/address bus corresponds to the path of data transmission, and can profit Run with for performing the agreement of data exchange.

The data storage device 100 of the present invention can perform unexpected power interruption recovering operation to ensure the number received from host 200 According to integrality.It is unexpected that power interruption recovering operation include backup operation or simultaneously operating.

Specifically, when data storage device 100 receives the writing commands for the data received from host 200 When (Write CMD), data storage device 100 can perform for the backup of received data record in memory 130 to be grasped Make.In this case, in order to guard against the unexpected situation (for example, power failure) occurred when recording received data, data Storage device 100 can perform backup operation, and the backup operation is used for the high speed that a part for data is stored in high-speed cruising In buffer storage 120 or in the high-speed region of memory 130.

More particularly, the data received from host 200 may include least significant bit and highest significant position.Controller 110 Least significant bit can be temporarily stored in cache memory 120 or the high-speed region of memory is (for example, single-layer type unit Region) in guard against the unexpected situation occurred during writing commands (Write CMD) for recording received data.

In addition, when data storage device 100 receives the synch command (Sync for the data received from host 200 When CMD), data storage device 100 can perform for the data being stored in cache memory 120 to be transmitted to memory 130 simultaneously operating.

At this power interruption recovering operation suddenly, data storage device 100 and the data including data storage device 100 Reason system can ensure that the integrality of data.However, the compromise of this operation is excessively to use cache memory 120 and deposits Reservoir 130 is likely to result in performance and service life deterioration.

Therefore, controller 110 can be grasped according to the detachable attribute of battery 300 to determine whether performing unexpected power interruption recovering Make.

If the detachable attribute of battery 300 is fixed type, data handling system can not perform unexpected power interruption recovering Operation.In this case, the resource for performing the data handling system that unexpected power interruption recovering operation can need can be saved, so that Improve the performance of whole data handling system and increase the service life of data storage device.

Hereinafter, it will illustrate data storage device and deposited including the data for the detachable attribute of battery 300 The operation of the data handling system of storage device.

As shown in figure 3, when the detachable attribute of battery 300 is fixed type, data handling system can be to data protection Function is disabled (disable).On the contrary, when the detachable attribute of battery 300 is removable type, data handling system can Data protection function is enabled (enable).

Specifically, the host 200 of data handling system can be transmitted to data storage device 100 include battery 300 can Dismantle the battery information (S110) of attribute.In this example, the detachable attribute of battery 300 is fixed type.Host 200 can be used Inquiry request agreement transmits the battery information for the detachable attribute for including battery 300 to data storage device 100.

And then, data storage device 100 can receive the battery letter for the detachable attribute for including battery 300 from host 200 Breath, and then data protection function (that is, unexpected power interruption recovering operates) is disabled (protection disables) (S115).

And then, host 200 can transmit data writing commands (Write CMD) (S120) to data storage device 100.

Therefore, because data storage device 100 be in unexpected power interruption recovering operation it is disabled in the state of, therefore, data Storage device 100, which can will be only used in, represents that the response signal that work is completed is delivered to host 200 without performing backup operation (S125)。

And then, host 200 can transmit synch command (Sync CMD) (S130) to data storage device 100.

Again, due to data storage device 100 be in unexpected power interruption recovering operation it is disabled in the state of, data Storage device 100, which can will be only used in, represents that the response signal that work is completed is delivered to host 200 without performing for transmitting storage The simultaneously operating (S135) of data in cache memory 120.In this case, data storage device 100 can be The data of scheduled volume just perform simultaneously operating after being stored in cache memory 120, rather than are receiving synchronization Simultaneously operating is immediately performed after order (Sync CMD).

In a data processing system, host 200 can transmit the detachable category for including battery 300 to data storage device 100 The battery information (S150) of property.In this example, the detachable attribute of battery 300 is removable type.Inquiry can be used in host 200 Request protocol transmits the battery information for the detachable attribute for including battery 300 to data storage device 100.

And then, data storage device 100 can receive the battery letter for the detachable attribute for including battery 300 from host 200 Breath, and then data protection function (that is, unexpected power interruption recovering operates) is enabled (protection enables) (S155).

And then, host 200 can transmit data writing commands (Write CMD) (S160) to data storage device 100.

Therefore, because data storage device 100 is in the state of the operation of unexpected power interruption recovering is activated, therefore data are deposited Storage device 100 can perform backup operation.Specifically, data storage device 100 can perform least significant bit backup operation, described Least significant bit backup operation is used to have minimum in least significant bit and highest significant position included in received data Effect position is stored in cache memory 120 or in the high-speed region (for example, single-layer type unit) of memory 130.However, this Invention is not limited only to this.After backup operation is completed, data storage device 100 can be transmitted to host 200 to be used to represent work Make the response signal (S165) completed.

And then, host 200 can transmit synch command (Sync CMD) (S170) to data storage device 100.

Due to data storage device 100 be in unexpected power interruption recovering operation be activated in the state of, data storage dress Put 100 and can perform simultaneously operating for the data being stored in cache memory 120 to be transmitted to memory 130. After completing simultaneously operating, data storage device 100 can transmit the response signal for being used for representing that work is completed to host 200 (S175)。

That is, when the detachable attribute of battery 300 is fixed type, unexpected power interruption recovering operation is not performed, from And improve the performance of system and the service life of data storage device.Wherein various orders are transmitted to data storage device from host 200 100 order may differ from the order shown in Fig. 3 and other figures.For example, host 200 can be to data storage device 100 The battery information for representing detachable battery type is sent, so as to enable data protection function, and then sends and represents solid The information of battery types is determined, so as to be disabled to data protection function.Similarly, host 200 can be stored to data and filled first 100 transmission synch commands (Sync CMD) are put, and then send writing commands (Write CMD) to data storage device 100.

Fig. 4 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.For ease of explaining, under Wen Zhong, a no longer pair explanation similar to the explanation in above-mentioned example embodiment is described in detail, and mainly will illustrate them it Between difference.

As shown in figure 4, data storage device 100 can receive the detachable attribute and battery for including battery 300 from host 200 The battery information of 300 charge rate.The charge rate of battery 300 represents that the percentage that battery 300 has been electrically charged is much.

When the charge rate that the detachable attribute of battery 300 is fixed type and battery 300 is higher than threshold value charge rate (example Such as, when 10%), data handling system can disable data protection function.On the contrary, when the detachable attribute of battery 300 is When the charge rate of removable type or battery 300 is less than threshold value charge rate (for example, 10%), data handling system can be right Data protection function is enabled.

In another example, the detachable attribute of battery 300 can be that the charge rate of fixed type and battery 300 can be high In threshold value charge rate (for example, 10%).In this case, host 200 can be transmitted to data storage device 100 includes battery The battery information (S210) of the charge rate of 300 detachable attribute and battery 300.

And then, data storage device 100 can receive the detachable attribute and battery 300 for including battery 300 from host 200 Charge rate battery information, and then judge whether to perform data protection function (that is, unexpected power interruption recovering operation) (S215).In this case, since the charge rate that the detachable attribute of battery 300 is fixed type and battery 300 is higher than Threshold value charge rate (for example, 10%), therefore power interruption recovering operation suddenly can be disabled (protection disabling).

And then, host 200 can transmit data writing commands (Write CMD) (S220) to data storage device 100.

Due to data storage device 100 be in unexpected power interruption recovering operation it is disabled in the state of, data storage dress Put 100 response signals that can will be only used in expression work completion and be delivered to host 200 without performing backup operation (S225).

And then, host 200 can transmit synch command (Sync CMD) (S230) to data storage device 100.

Due to data storage device 100 be in unexpected power interruption recovering operation it is disabled in the state of, data storage dress Put 100 can will be only used in represent response signals that work is completed be delivered to host 200 without perform be used to be stored in it is slow at a high speed The data rushed in memory 120 are transmitted to the simultaneously operating (S235) of memory 130.

In another example, the detachable attribute of battery 300 can be that the charge rate of removable type and battery 300 can Less than threshold value charge rate (for example, 10%).In this case, host 200 can be transmitted to data storage device 100 includes electricity The battery information (S250) of the charge rate of the detachable attribute and battery 300 in pond 300.

And then, data storage device 100 can detachable attribute and charge rate based on received battery 300 come Judge whether to enable (S255) operation of unexpected power interruption recovering.In this case, due to the detachable attribute of battery 300 It is that the charge rate of removable type and battery 300 is less than threshold value charge rate (for example, 10%), therefore power interruption recovering behaviour suddenly Work can be activated (protection enables).

And then, host 200 transmits data writing commands (Write CMD) (S260) to data storage device 100.

Due to data storage device 100 be in unexpected power interruption recovering operation be activated in the state of, data storage dress Put 100 executable backup operations.Specifically, data storage device 100 can perform least significant bit backup operation, described minimum Significance bit backup operation is used for the least significant bit in least significant bit and highest significant position included in received data It is stored in cache memory 120 or in the high-speed region (for example, single-layer type unit) of memory 130.Complete to back up After operation, data storage device 100 can transmit the response signal (S265) for being used for representing that work is completed to host 200.

And then, host 200 can transmit synch command (Sync CMD) (S270) to data storage device 100.

Therefore, because data storage device 100 is in the state of the operation of unexpected power interruption recovering is activated, therefore data are deposited Storage device 100 can perform to be grasped for the data being stored in cache memory 120 to be transmitted to the synchronous of memory 130 Make.After simultaneously operating is completed, data storage device 100 can be transmitted to host 200 to be used to represent that the response that work is completed is believed Number (S275).

That is, in a data processing system, if performing unexpected power interruption recovering operation can be based on the removable of battery 300 The charge rate of attribute and battery 300 is unloaded to judge, so as to improve the performance of system while the high stability of the system of maintenance And the service life of data storage device.

Fig. 5 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.For ease of explaining, under Wen Zhong, no longer will be described in detail repeat description, and will mainly illustrate difference between them.

As shown in figure 5, data storage device 100 can receive detachable attribute and the data protection of battery 300 from host 200 Attribute.As described with reference to FIG. 1, the data protection attributes for data storage device 100 being passed to from host 200 can be with battery 300 Detachable attribute together be included in the battery information in or can separately be transmitted (S310) with the battery information.Meanwhile The data that data storage device 100 is received from host 200 may include multiple logic units (logical unit, LU).

Host 200 can be directed to each logic unit setting protection attribute.Data storage device 100 can be based on received Logic unit protection attribute to determine whether performing the operation of unexpected power interruption recovering.

However, in this embodiment, when the detachable attribute of battery 300 is removable type, unconditionally perform Unexpected power interruption recovering operation.Therefore, protection attribute that can only when the detachable attribute of battery is fixed type to logic unit Take in.

For example, when the detachable attribute of battery 300 is fixed type and the first received logic unit LU1 (for example, when it is " 1 " to protect data protection value included in attribute), data handling system when data protection attributes are activated Data protection function can be enabled (S315).

And then, host 200 can transmit data writing commands (Write CMD) (S320) to data storage device 100.Cause This, due to data storage device 100 be in unexpected power interruption recovering operation be activated in the state of, data storage device 100 Executable backup operation (S325).Specifically, data storage device 100 can perform least significant bit backup operation, it is described most Low order backup operation is used for will be minimum effective in least significant bit and highest significant position included in received data Position is stored in cache memory 120 or in the high-speed region (for example, single-layer type unit) of memory 130.It is standby in completion After part operation, data storage device 100 transmits the response signal for being used for representing that work is completed to host 200.

And then, host 200 can transmit data synch command (Sync CMD) (S330) to data storage device 100.Cause This, due to data storage device 100 be in unexpected power interruption recovering operation be activated in the state of, data storage device 100 It can perform the simultaneously operating (S335) for the data being stored in cache memory 120 to be transmitted to memory 130. After completing simultaneously operating, data storage device 100 can transmit the response signal for being used for representing that work is completed to host 200.

As another example, when the detachable attribute of battery 300 is fixed type and the second received logic unit (for example, when it is " 0 " to protect data protection value included in attribute), data processing system when the protection attribute of LU0 is disabled System can disable data protection function (S350, S355).

And then, host 200 can transmit data writing commands (Write CMD) (S360) to data storage device 100.Cause This, due to data storage device 100 be in unexpected power interruption recovering operation it is disabled in the state of, data storage device 100 It can will be only used in and represent that the response signal that work is completed is delivered to host 200 without performing backup operation (S365).

And then, host 200 can transmit synch command (Sync CMD) (S370) to data storage device 100.Due to number According to storage device 100 be in unexpected power interruption recovering operation it is disabled in the state of, therefore, data storage device 100 will only can be used Host 200 is delivered in the response signal for representing work completion to be used to be stored in cache memory 120 without performing Data be transmitted to the simultaneously operating (S375) of memory 130.

That is, in a data processing system, if it is based on the removable of battery 300 to perform unexpected power interruption recovering operation The data protection attributes of included multiple logic units are unloaded in attribute and data to judge, so that in the high stable of the system of maintenance Property while improve system performance and data storage device service life.

Fig. 6 is the flow chart for the operation for illustrating data handling system according to an exemplary embodiment of the present invention.For ease of solution Release, hereinafter, no longer repeat description will be described in detail, and will mainly illustrate difference between them.

As shown in fig. 6, host 200 can transmit the battery for the detachable attribute for including battery 300 to data storage device 100 Information (S410).In this example, the detachable attribute of battery 300 is fixed type.

And then, data storage device 100 can receive the battery letter for the detachable attribute for including battery 300 from host 200 Breath, and then judge whether to enable (S415) operation of unexpected power interruption recovering.In this case, due to battery 300 Detachable attribute is fixed type, therefore power interruption recovering operation suddenly is disabled (protection disabling).

And then, host 200 can transmit cache memory writing commands (Cache to data storage device 100 Write CMD)(S420).Therefore, the data received from host 200 can be stored in speed buffering by data storage device 100 In the buffer of memory 120, regardless of whether being enabled (S425) the operation of unexpected power interruption recovering.Complete the operation Afterwards, data storage device 100 can transmit the response signal for being used for representing that work is completed to host 200.

And then, host 200 can transmit synch command (Sync CMD) (S430) to data storage device 100.Due to number According to storage device 100 be in unexpected power interruption recovering operation it is disabled in the state of, therefore, data storage device 100 will only can be used Host 200 is delivered in the response signal for representing work completion to be used to be stored in cache memory 120 without performing Data be transmitted to the simultaneously operating (S435) of memory 130.

And then, in operation S440 aforesaid operations S420 to S435 is repeated into S465 is operated.In this case, These operations can be performed from order sequentially different shown in Fig. 6.

And then, once the memory space of the buffer of cache memory 120 is full, when data storage device 100 When receiving another cache memory writing commands (Cache Write CMD) (S470) from host 200, it can perform For the data being stored in cache memory 120 to be transmitted to the simultaneously operating of memory 130, and then can be by a high speed Buffer storage 120 (for example, static RAM) initializes (S475).

That is, until the memory space of the buffer of cache memory 120 is full, just executable synch command (Sync CMD), the simultaneously operating of batch execution at this time is with the resource for the system of saving.Therefore, maintain system high stability it is same When can improve the performance of system and the service life of data storage device.

Fig. 7 is the flow chart for the operation for illustrating data handling system accoding to exemplary embodiment.For the sake of explaining conveniently, Hereinafter, no longer repeat description will be described in detail, and will mainly illustrates difference between them.

As shown in fig. 7, host 200 can transmit the battery for the detachable attribute for including battery 300 to data storage device 100 Information (S510).In this example, the detachable attribute of battery 300 can be fixed type.

And then, data storage device 100 can receive the battery letter for the detachable attribute for including battery 300 from host 200 Breath, and then judge whether to enable (S515) operation of unexpected power interruption recovering.In this case, due to battery 300 Detachable attribute is fixed type, therefore power interruption recovering operation suddenly can be disabled (protection disabling).

And then, host 200 can transmit cache memory writing commands (Cache to data storage device 100 Write CMD)(S520).The data received from host 200 can be stored in cache memory by data storage device 100 In 120 buffer, regardless of whether being enabled (S525) the operation of unexpected power interruption recovering.After the operation is completed, Data storage device 100 can transmit the response signal for being used for representing that work is completed to host 200.

And then, in operation S530 aforesaid operations S520 to S525 is repeated into S535 is operated.

And then, host 200 can transmit synch command (Sync CMD) (S540) to data storage device 100.Due to number According to storage device 100 be in unexpected power interruption recovering operation it is disabled in the state of, therefore, data storage device 100 will only can be used Host 200 is delivered in the response signal for representing work completion to be used to be stored in cache memory 120 without performing Data be transmitted to the simultaneously operating (S545) of memory 130.

And then, host 200 can transmit hardware reset order (HW reset CMD) to data storage device 100.Therefore, Data storage device 100 can be to the every other element in addition to cache memory 120 (for example, controller 110, depositing Reservoir 130 and interface 140) resetted (S555).In this case, host itself, which also can perform, resets operation.

And then, host 200 can transmit initialization command to data storage device 100.Data storage device 100 can to except Every other element (for example, controller 110, memory 130 and interface 140) outside cache memory 120 carries out Reset, perform the simultaneously operating for being used for that the data being stored in cache memory 120 to be transmitted to memory 130, and connect And initialize cache memory 120 (S565).Data storage device 100 can be transmitted to host 200 to be used to represent work The response signal of completion.

That is, it can store data in cache memory 120, without and then performing synch command (Sync CMD).However, when providing firmware resets order, can be to every other in addition to cache memory 120 Element is resetted and initialized, and then cache memory is synchronized, so as to safely be stored at a high speed Data in buffer storage 120.Therefore, it can improve while the high stability of data handling system of the present invention is maintained and be The performance of system and the service life of data storage device.

Hereinafter, the root of data storage device 100 and data handling system including data storage device 100 will be illustrated The concrete operations carried out according to the charging operations status attribute of battery 300.

As shown in figure 8, when battery 300 is charging, data handling system may not perform dormancy (for example, will be with The content of machine access memory (random access memory, RAM) is stored in the low work(between nonvolatile memory mid-term Rate operational mode).On the contrary, when battery 300 is not in charging, data handling system can perform dormancy.

Specifically, host 200 can transmit the charging operations status attribute for including battery 300 to data storage device 100 Battery information (S610).At this time, the charging operations status attribute of battery 300, which can have, represents that battery 300 is charging at this time First value (for example, " 1 ").Inquiry request agreement can be used to transmit the charging operations state category including battery 300 in host 200 The battery information of property.

And then, host 200 can transmit dormancy into request (hibernation enter to data storage device 100 request,HEN request)(S620)。

Since charging operations status attribute represents that battery 300 is charging at this time, data storage device 100 can not be held Row dormancy (S625).

Afterwards, host 200 can transmit dormancy to data storage device 100 and exit request (hibernation exit request,HEX request)(S630).Due to having not carried out dormancy in data storage device 100, dormancy is received Exit the data storage device 100 of request (HEX request) can be not responsive to dormancy exit request (HEX request) execution Any operation.

Meanwhile host 200 can transmit the electricity for the charging operations status attribute for including battery 300 to data storage device 100 Pond information (S640).At this time, the charging operations status attribute of battery 300, which can have, represents battery 300 at this time not the of charging Two-value (for example, " 0 ").Inquiry request agreement can be used to transmit the charging operations status attribute including battery 300 in host 200 Battery information.

And then, host 200 can transmit dormancy into request (HEN request) (S650) to data storage device 100.

Therefore, because charging operations status attribute represents that battery 300 is not charging at this time, therefore data storage device 100 Dormancy be can perform to enter resting state (S655).

Afterwards, host 200 can transmit dormancy to data storage device 100 and exit request (HEX request) (S660).Number Request (HEX request) can be exited according to dormancy according to storage device 100 and terminates dormancy.

Thus, data handling system can optionally perform dormancy based on the charging operations status attribute of battery 300.It is logical Crossing adjustment while dormancy is optionally performed, later in reference to the execution time of Fig. 9 consistency operations illustrated, can improve data The performance of processing system and the service life of data storage device.

As shown in figure 9, when battery 300 is charging, data handling system can not perform dormancy and hold without restriction Row consistency operation (background operation, BO).On the contrary, when battery 300 is not in charging, data handling system can be held Row dormancy and restrictively execution consistency operation (BO).

Herein, for example, when the memory 130 illustrated with reference to Fig. 2 is included with non-flash memory, the backstage behaviour Work may include pair to carry out with non-flash memory to operate required garbage collection operations, loss equalization operates etc..

Specifically, host 200 can transmit the charging operations status attribute for including battery 300 to data storage device 100 Battery information (S710).At this time, the charging operations status attribute of battery 300, which can have, represents that battery 300 is charging at this time First value (for example, " 1 ").Inquiry request agreement can be used to transmit the charging operations state category including battery 300 in host 200 The battery information of property.

And then, host 200 can transmit dormancy into request (HEN request) (S720) to data storage device 100.

Therefore, data storage device 100 can due to charging operations status attribute represent battery 300 charge at this time without Perform dormancy (S725).

In addition, data storage device 100 can perform consistency operation (S727) without restriction.Herein, " unrestricted " meaning Taste, which the consistency operation, does not have time restriction.That is, since battery 300 is charging, data storage device 100 Consistency operation can be performed under conditions of powering without interruption and reach time enough.

Afterwards, host 200 can transmit dormancy to data storage device 100 and exit request (HEX request) (S730).By In having not carried out dormancy in data storage device 100, therefore receive dormancy and exit the data of request (HEX request) and deposit Storage device 100 need not exit request (HEX request) in response to dormancy and perform any operation.

However, it should be noted that in some exemplary embodiments, when the backstage for completing the execution in 727 (S727) are operated Operation and therefore without more pending work when, dormancy can be performed in data storage device 100.In this case, When host 200 is exiting request (HEX request) in operating 730 (S730) to the transmission dormancy of data storage device 100, number Request (HEX request) can be exited according to received dormancy according to storage device 100 to terminate dormancy.

Meanwhile host 200 can transmit the electricity for the charging operations status attribute for including battery 300 to data storage device 100 Pond information (S740).At this time, the charging operations status attribute of battery 300, which can have, represents battery 300 at this time not the of charging Two-value (for example, " 0 ").Inquiry request agreement can be used to transmit the charging operations status attribute including battery 300 in host 200 Battery information.

And then, host 200 can transmit dormancy into request (HEN request) (S750) to data storage device 100.

Since charging operations status attribute represents that battery 300 is not charging at this time, data storage device 100 is executable Dormancy is with entrance resting state (S755).

In addition, data storage device 100 can restrictively perform consistency operation (S757).Herein, " being restricted " means The consistency operation time is constrained to the scheduled time.That is, data storage device 100 can be held when battery 300 is not in charging Row consistency operation reaches only certain a period of time, and therefore power supply potentially unstable.

Afterwards, host 200 can transmit dormancy to data storage device 100 and exit request (HEX request) (S760).Number Request (HEX request) can be exited according to dormancy according to storage device 100 and terminates dormancy.Thus, by according to battery 300 Charging operations status attribute and optionally perform dormancy and adjust the execution time of consistency operation, data handling system can be improved Performance and data storage device service life.

With reference to Figure 10 A, in some exemplary embodiments, input/output commands (S800) can be asked from host 200.

In some exemplary embodiments, when asking input/output commands from host 200, it can be stored and filled according to data Put whether 100 in idle condition or data storage device 100 in active state determine data storage device 100 Current operational mode (S810).

Idle condition can refer to the state that wherein data storage device 100 does not perform input/output operations.For example, it is empty Not busy state can enter the state with reference to Fig. 8 and Fig. 9 dormancy illustrated for wherein data storage device 100.For example, it is idle State can for from complete perform input/output commands until enter with reference to Fig. 8 and Fig. 9 dormancy illustrated state.

In contrast, active state can refer to the state that wherein data storage device 100 performs input/output operations.

In some exemplary embodiments, when asking input/output commands from host 200, at data storage device When idle condition, judge whether the charge rate of battery is less than first level (S820).

If the charge rate of battery is less than first level, the current operational mode of data storage device 100 is determined To perform the first mode (S822) of input and output order in a manner of power consumption to be minimized.

If the charge rate of battery is first level or more than first level, by the current of data storage device 100 Operational mode be determined as by by processing speed it is maximized in a manner of perform the second modes (S824) of input/output commands.Also It is to say, current operational mode can be the pattern that data storage device 100 performs input/output commands.

When determining current operational mode (first mode or second mode), performed with corresponding current operational mode defeated Enter/export order (S830).To describe in detail, the method for definite current operational mode will be illustrated with reference to Figure 10 B.

Figure 10 B are the flow charts for explaining the operation of the data handling system according to some exemplary embodiments.For just In explanation, hereinafter, a no longer pair content similar to the content in above-mentioned example embodiment is described in detail, and will be main Illustrate the difference between them.

With reference to Figure 10 B, in some exemplary embodiments, data storage device 100 can be received from host 200 includes battery The battery information of 300 charge rate.

When the charge rate of battery 300 is less than first level, data handling system can be run in the first pattern, and described One pattern is run with minimum power consumption.In contrast, when the charge rate of battery 300 is first level or during more than first level, Data handling system is run in a second mode, and the second mode is run with maximum processing speed.In some exemplary embodiments In, first level can be 10% (this is illustrated by with reference to Fig. 4), but the present invention is not limited only to this.

In some exemplary embodiments, it is assumed that by taking the charge rate of battery 300 is less than first level as an example, host 200 The battery information (S820_1) for the charge rate for including battery 300 is transmitted to data storage device 100.

And then, data storage device 100 receives the battery information for the charge rate for including battery 300 from host 200, and Then the current operational mode of data storage device 100 is determined.In this case, since the charge rate of battery 300 is less than First level, therefore the first mode that the current operational mode of data storage device 100 is determined as running with minimum power consumption, and Response signal (S822) is transmitted to host 200.

In the first mode run with minimum power consumption, for example, can by the clock frequency of interface 140 and/or comprising The clock frequency set of controller 110 in data storage device 100 is into predetermined minimum value (S822_1).When processor When clock frequency reduces, the operating quantity handled by processor can be reduced at the same time, and therefore power consumption can be reduced.

In addition, for example, in the first mode, can be by inter-processor communication (inter processor Communication, IPC) time delay is set to more than 0 (S822_2).In some exemplary embodiments, lead between processor Letter can refer to the processor for the interface 140 being contained in data storage device 100 and the control being contained in data storage device 100 Communication between the processor of device 110.For example, interface 140 can receive data from host 200.Controller 110 can be from interface 140 receive data, and can transfer data to memory 130.In addition, controller 110 can read data from memory 130.Connect Mouth 140 can receive the data read by controller 110, and this received data can be transmitted to host 200.That is, Inter-processor communication can transmit data between controller 110 and interface 140.For example, as the general in inter-processor communication When time delay is set to more than 0, the operating quantity handled by controller 110 and interface 140 can be reduced at the same time, and therefore power consumption It can be reduced.

And then, host 200 transmits the input/output commands (input/output of data to data storage device 100 Command, I/O CMD) (S830_1).

And then, data storage device 100 performs input/output operations in the first pattern, and when input/output operations are complete Cheng Shixiang hosts 200 transmit response signal (S830_2).

In some exemplary embodiments, it is assumed that using the charge rate of battery 300 as first level or more than first level Exemplified by, host 200 transmits the battery information (S820_2) for the charge rate for including battery 300 to data storage device 100.

And then, data storage device 100 receives the battery information for the charge rate for including battery 300 from host 200, and Then the current operational mode of data storage device 100 is determined.In this case, since the charge rate of battery 300 is the One level is determined as handling with maximum operation more than first level, therefore by the current operational mode of data storage device 100 The second mode of speed operation, and transmit response signal (S824) to host 200.

In with the second mode of maximum operation processing speed operation, for example, can be by the clock frequency of interface 140 And/or the clock frequency set of controller 110 in data storage device 100 is contained in into predetermined maximum (S824_1).When During the clock frequency increase of processor, the operating quantity handled by processor can be increased at the same time, and therefore operation processing speed can It is improved.

In addition, in a second mode, for example, inter-processor communication (IPC) time delay can be set to 0 (S824_ 2).When inter-processor communication time delay is set to 0, by by the operating quantity meeting of processor 110 and interface processing while most Bigization, and therefore operation processing speed can be maximized.

And then, host 200 transmits input/output commands (I/O CMD) (S830_ of data to data storage device 100 3)。

And then, data storage device 100 performs input/output operations in a second mode, and when input/output operations are complete Cheng Shixiang hosts 200 transmit response signal (S830_4).

Referring again to Figure 10 A, in some exemplary embodiments, when asking input/output commands from host 200, such as Fruit data storage device 100 is in active state, then data storage device 100 is with the current operation mould of data storage device 100 (that is, wherein data storage device 100 is currently executing the fortune of input/output commands to formula (that is, the operational mode of active state) Row mode) perform input/output commands (S830).

That is, in some exemplary embodiments, bar of the data handling system in the charge rate for considering battery 300 The input/output operational mode of data storage device 100 is determined under part, so as to improve the performance and data storage device of system Service life.

With reference to Figure 11, in some exemplary embodiments, when battery 300 is being electrically charged and the charge rate of battery 300 During for first level or more than first level, clear command (Flush is received from host 200 even in data storage device 100 CMD) or comprising force cell access data writing commands (Write CMD (FUA)) when can not also perform clear operation or Force cell access operation.Clear operation will be illustrated with reference to Figure 12 A and Figure 12 B and forces cell access operation.

With reference to Figure 12 A, host 200 can transmit writing commands (the Write CMD of the first data to data storage device 100: Data#1).The interface 140 of data storage device 100 can receive writing commands (Write CMD) and the first data (Data#1) simultaneously Received writing commands (Write CMD) and the first data (Data#1) are transmitted to controller 110.From interface 140 The controller 110 for receiving writing commands (Write CMD) and the first data (Data#1) can not be directly by the first data (Data#1) store in memory 130, but by the first data (Data#1) interim storage in the cache (①)。

Similarly, when host 200 to data storage device 100 transmit the second data writing commands (Write CMD: In the cache (2.) when Data#2), controller 110 can be by the second data (Data#2) interim storage.

Host 200 can transmit clear command (Flush CMD) to data storage device 100.Data storage device 100 connects Mouth 140 can receive clear command (Flush CMD) from host 200 and transmit received clear command (Flush CMD) To controller 110.Speed buffering can will be stored in by having received the controller 110 of clear command (Flush CMD) from interface 140 The first data and the second data (Data#1 and Data#2) in memory 120 store in memory 130 non-provisionally.To First data and the second data (Data#1 and Data#2) are stored in after memory 130 non-provisionally, can deposit speed buffering Reservoir 120 initializes (3.).

In conclusion when data storage device 100 receives writing commands (Write CMD) from host 200, data are deposited Data can be temporarily stored in cache memory 120 by storage device 100.When data storage device 100 is received from host 200 During to clear command (Flush CMD), the data being temporarily stored in cache memory 120 can be temporarily stored in storage In device 130.

Figure 12 B are to be operated for explaining according to the pressure cell access of the data storage device of some exemplary embodiments Schematic diagram.For the sake of explaining conveniently, it will omit or briefly illustrate the explanation overlapping with Figure 12 A.

Similar in appearance to situation shown in Figure 12 A, data storage device 100 may be in response to the first data and from host 200 Writing commands (the Write CMD of two data:Data#1 and Data#2) and by the first data and the second data (Data#1 and Data#2) it is temporarily stored in cache memory 120 (1., 2.).

Host 200 can transmit the writing commands for including the 3rd data for forcing cell access to data storage device 100 (Write CMD:Data#3(FUA)).The interface 140 of data storage device 100 can receive writing commands (Write from host 200 CMD) and comprising the 3rd data (Data#3 (FUA)) for forcing cell access and by received writing commands (Write CMD) and the 3rd data (Data#3 (FUA)) comprising pressure cell access are transmitted to controller 110.Received from interface 140 Controller 110 to writing commands (Write CMD) and comprising the 3rd data (Data#3 (FUA)) for forcing cell access can incite somebody to action The 3rd data (Data#3 (FUA)) comprising pressure cell access store in memory 130 non-provisionally, regardless of whether depositing Cache memory 120 and the first data being stored in cache memory 120 and the second data (Data#1 and Data#2).Therefore, the first data and the second data (Data#1 and Data#2) can be temporarily stored in cache memory In 120, and can by comprising force cell access the 3rd data (Data#3 (FUA)) it is non-provisional store in memory 130 (③)。

In conclusion when data storage device 100 receives the write-in life comprising the data for forcing cell access from host Make (Write CMD:Data (FUA)) when, data storage device 100 can by corresponding data it is non-provisional be stored in memory In 130, regardless of whether there are cache memory 120.

The operation of data handling system according to some exemplary embodiments will be illustrated referring again to Figure 11.

With reference to Figure 11, in some exemplary embodiments, host 200 includes battery 300 to the transmission of data storage device 100 Charging operations status attribute and charge rate battery information (S910).In this case, the charging operations shape of battery 300 State attribute can have the first value (for example, 1) for representing that battery 300 is being electrically charged, and the charge rate of battery 300 can be first It is horizontal or more than first level.

And then, host 200 transmits writing commands (Write CMD) to data storage device 100.Therefore, data store Device 100 will be stored in cache memory 120 from the data that host 200 receives.After the operation is completed, number The response signal (S925) completed on work is transmitted to host 200 according to storage device 100.

And then, in S930 and S935, the process identical with above-mentioned S920 and S925 is performed.

And then, host 200 transmits clear command (Flush CMD) (S940) to data storage device 100.Data store Device 100 is only transmitted on the response signal that work is completed without performing clear operation (S945).

And then, host 200 includes the writing commands for the data for forcing cell access to the transmission of data storage device 100 (Write CMD(FUA))(S950).The data received from host 200 are stored in speed buffering and deposited by data storage device 100 In reservoir 120, rather than storage is in memory 130.After storing data in cache memory 120, data are deposited Storage device 100 transmits the response signal (S955) completed on work to host 200.That is, in this case, data Storage device 100 performs the operation identical with the writing commands (Write CMD) of simple data, single comprising forcing without performing The writing commands (Write CMD (FUA)) of the data of member access.

And then, when data storage device 100 receives writing commands (Write CMD) but speed buffering from host 200 The memory space of memory 120 completely when, data storage device 100 performs clear operation, and the clear operation is by interim storage Data in cache memory 120 are transmitted to memory 130 and then initialize cache memory 120 (S960、S965).After cache memory 120 is initialized, data storage device 100 will be received from host 200 Data be stored in cache memory 120, and to host 200 transmit on work complete response signal (S966).

That is, in some exemplary embodiments, data handling system do not perform clear command (Flush CMD) and Include the writing commands (Write CMD (FUA)) for the data for forcing cell access.However, only in cache memory 120 When memory space is expired, data handling system just performs clear operation, so as to save the resource of data handling system.Therefore, may be used Improve the performance of data handling system and the service life of data storage device, while be height by the stability maintenance of data handling system 's.

Figure 13 is the flow chart for explaining the operation of the data handling system according to some exemplary embodiments.For ease of Explain, will omit or briefly illustrate content perhaps similar in identical with the above.

With reference to Figure 13, in some exemplary embodiments, when the charge rate of battery 300 is that (it is higher than upper for the second level State the first level in Figure 12) or more than second it is horizontal when, even if data storage device 100 receives removing life from host 200 (Flush CMD) or writing commands (Write CMD) are made, data storage device 100 can not also perform clear operation or force single Member storage operation, regardless of whether battery 300 is electrically charged.

In some exemplary embodiments, host 200 transmits the charging speed for including battery 300 to data storage device 100 The battery information (S1010) of rate.In this case, the charge rate of battery 300 can be that (it is higher than shown in Figure 12 for the second level First level) or it is horizontal more than second.

The process of step S1020 to S1066 can be same as the process of the step S920 to S966 in Figure 12.

Figure 14 is the flow chart for explaining the operation of the data handling system according to some exemplary embodiments.For ease of Explain, will omit or briefly illustrate content perhaps similar in identical with the above.

With reference to Figure 14, in some exemplary embodiments, when the charge rate of battery 300 is less than first in above-mentioned Figure 12 When horizontal, data storage device 100 can receive clear command (Flush CMD) from host 200 and deposited comprising pressure unit Clear operation is performed during writing commands (Write CMD (FUA)) of the data taken or forces cell access operation, regardless of whether battery Whether 300 be electrically charged.

In some exemplary embodiments, host 200 transmits the charging speed for including battery 300 to data storage device 100 The battery information (S1110) of rate.In this case, the charge rate of battery 300 is smaller than the first level in above-mentioned Figure 12.

And then, host 200 transmits writing commands (Write CMD) (S1120) to data storage device 100.Therefore, number It will be stored according to storage device 100 from the data that host 200 receives in cache memory 120.Complete the operation Afterwards, data storage device 100 transmits the response signal (S1125) completed on work to host 200.

And then, host 200 includes the writing commands for the data for forcing cell access to the transmission of data storage device 100 (Write CMD)(S1130).Therefore, data storage device 100 by from host 200 receive comprising forcing cell access Data store in memory 130.After the operation is completed, data storage device 100 is transmitted on work to host 200 The response signal (S1135) of completion.

And then, host transmits clear command (Flush CMD) to data storage device 100.Therefore, data storage device 100 store the data being stored in cache memory 120 in memory 130, and then by cache memory 120 initialization (S1145).Figure 15 is the side for showing the accumulator system including data handling system accoding to exemplary embodiment Block diagram.

As shown in figure 15, accumulator system 1000 may include data handling system 1100, battery 1150, modem (modem) 1200, central processing unit (central processing unit, CPU) 1300, random access memory (RAM) 1400th, user interface 1500 and system bus 1600.In this example, the data handling system 1100 of accumulator system 1000 can Run in a manner of identical with the above-mentioned data handling system according to each exemplary embodiment.

Data handling system 1100 may include Memory Controller 1110 and memory 1120.Host 200 shown in Fig. 1 can be real Memory Controller 1110 is same as in matter, and data storage device 100 shown in Fig. 1 can be essentially the same as memory 1120.

Battery 1150 can supply electric power to all elements of accumulator system 1000.Battery 1150 can be to be configured to The detachable battery dismantled from accumulator system 1000, or not to be configured to the fixation that can be dismantled from accumulator system 1000 Battery.In this case, Memory Controller 1110 can transmit the detachable attribute of battery 1150 to memory 1120.Separately Outside, Memory Controller 1110 can transmit the charge rate of battery 1150 and the protection category of logic unit (LU) to memory 1120 Property.

Modem 1200 can exchange data so that the data to be passed with external device (ED) in a wired mode or wireless mode It is delivered to data handling system 1100.Operation needed for the executable driving accumulator system 1000 of central processing unit 1300.Deposit at random Access to memory 1400 can provide the resource needed for driving accumulator system 1000.User interface 1500 can receive data from user.

Accumulator system 1000 can be configured to use solid state drive.In this case, data handling system can be steady Determine and reliably handle mass data.However, the present invention is not limited only to this.

Various types of encapsulation can be used to be installed for data handling system 1100.For example, Memory Controller 1110 and/or memory 1120 for example following encapsulation can be used to be installed：Stacked package (Package on Package, PoP), ball grid array (ball grid array, BGA), chip-scale package (chip scale package, CSP), plastic tape leaded chip carrier (Plastic Leaded Chip Carrier, PLCC), plastics dual-inline package Tube core packaging (Die in Wafer Pack) in (Plastic Dual In-Line Package, PDIP), chip, in chip Die form (Die in Wafer Form), chip on board (Chip On Board, COB), ceramic dual in-line package (Ceramic Dual In-Line Package, CERDIP), plastics metric system quad flat pack (Plastic Metric Quad Flat Pack, MQFP), thin quad flat pack (Thin Quad Flat pack, TQFP), little profile integrate electricity Road (Small Outline Integrated Circuit, SOIC), shrinkage type little profile encapsulation (Shrink Small Outline Package, SSOP), thin little profile encapsulation (Thin Small Outline Package, TSOP), envelope in system Fill (System In Package, SIP), multi-chip package (Multi Chip Package, MCP), wafer scale making encapsulation (Wafer-level Fabricated Package, WFP) and wafer level processing stacked package (Wafer-Level Processed Stack Package, WSP).However, the present invention is not limited only to this.

Figure 16 is illustrate the accumulator system including data handling system accoding to exemplary embodiment various exemplary The schema of application.

As shown in figure 16, can be used for according to the accumulator system 2000 of various exemplary embodiments in electronic apparatus.It is this Accumulator system 2000 can be used in for example following various devices：Mobile phone 2100, TV 2200, ATM The instrument board camera used in (automated teller machine, ATM) 2300, elevator 2400, automobile etc. (dashboard camera) 2500, portable digital music player (for example, MP3 player) 2600, E-book reader 2700th, global positioning system (global positioning system, GPS) 2800 etc..

Accumulator system 2000 can be run processor asynchronously with system.Accordingly, it is possible to the drive by reducing processor Dynamic load improves the function of electronic apparatus to allow processor to run with the speed of lower power and higher.

Figure 17 is the schematic diagram for explaining the method for the manufaturing data storage device according to some exemplary embodiments.For Easy to explain, the content repeated is will be set forth briefly or omitted.

Reference Figure 17, first, there is provided data storage device 100 (S1710) set forth in fig. 2.Afterwards, data storage dress Whether the operational mode for putting 100 test data storage devices 100 changes according to battery information and tests whether to perform data The simultaneously operating (S1720) of storage device 100.For example, controller 110 included in data storage device 100 can root Explained according to the charge rate of battery 300, charging status information and/or detachable attribute to test whether to perform Figure 13 to Figure 14 The operation stated.

Although disclosing various exemplary embodiments for purpose of explanation, but one of skill in the art should manage Solution, under conditions of without departing substantially from the scope and spirit of the invention disclosed in appended claims, can make various repair Change, increase and substitute.

Claims

A kind of 1. data handling system, it is characterised in that including：

Host；

Data storage device, including：

Memory, is configured to store the data received from the host,

Cache memory, is configured to data described in interim storage, and

Controller, is configured to control the memory and the cache memory；And

Battery, electric power is supplied to the host and the data storage device,

Wherein described controller is further configured to：

The detachable attribute of the battery is received from the host, and

Whether the detachable determined property based on the battery performs in response to receiving writing commands from the host The backup operation of the data.
2. data handling system according to claim 1, it is characterised in that when the detachable attribute of the battery is During fixed type, the controller is not responsive to perform the described standby of the data from the said write order of the host Part operation.
3. data handling system according to claim 1, it is characterised in that when the detachable attribute of the battery is During removable type, the controller is further configured in response to the said write order from the host to perform State the backup operation of data.
4. data handling system according to claim 1, it is characterised in that when the detachable attribute of the battery is During fixed type, the controller is not responsive to receive synch command from the host to perform the synchronous behaviour of the data Make, and

The simultaneously operating of wherein described data includes transmitting the data stored in the cache To the memory.
5. data handling system according to claim 1, it is characterised in that the controller is further configured to from institute The charge rate that host receives the battery is stated,

Wherein when the charge rate that the detachable attribute of the battery is fixed type and the battery is higher than threshold value During charge rate, the controller is not responsive to perform the described standby of the data from the said write order of the host Part operation, and

Wherein when the detachable attribute of the battery is the charge rate of fixed type and the battery less than described During threshold value charge rate, the controller is further configured in response to being performed from the said write order of the host The backup operation of the data.
6. data handling system according to claim 1, it is characterised in that the data include the first logic unit and the Two logic units, wherein the controller is further configured to receive the protection category of first logic unit from the host Property,

Wherein when the detachable attribute of the battery is fixed type and the protection attribute of first logic unit When being activated, the controller is further configured in response to performing described from the said write order of the host The backup operation of one logic unit, and wherein when the detachable attribute of the battery is the fixed type and described When the protection attribute of first logic unit is disabled, the controller is not responsive to the said write life from the host Make to perform the backup operation of first logic unit.
7. data handling system according to claim 1, it is characterised in that when the detachable attribute of the battery is During fixed type, the controller is further configured in response to receiving cache memory write-in life from the host Make the data record that will be received in the cache, and

The synch command that wherein described controller is not responsive to the host will be stored in the cache memory to perform In the data be transmitted to the simultaneously operating of the memory.
A kind of 8. data storage device, it is characterised in that including：

Interface, is configured to receive order and data from host；

Memory, is configured to store the data received；

Cache memory, is configured to data described in interim storage；And

Controller, is configured to control the memory and the caches based on the order of the host Device,

Wherein described order includes being used for the detachable attribute of the battery to data storage device supply electric power, and

Wherein described controller be further configured to the detachable determined property based on the battery whether in response to from The host receives writing commands and the least significant bit of the data is stored in the memory and the high speed to perform The backup operation in one in buffer storage.
9. data storage device according to claim 8, it is characterised in that when the detachable attribute of the battery is During fixed type, the controller is further configured in response to receiving cache memory write-in life from the host Make the data record in the cache, and

Wherein when the memory space of the cache memory is expired, the controller is further configured to perform synchronization Operate and initialize the memory space of the cache memory.
A kind of 10. data handling system, it is characterised in that including：

Host；

Data storage device, including：

Memory, is configured to store the data received from the host,

Cache memory, is configured to data described in interim storage, and

Controller, is configured to control the cache memory；And

Battery, electric power is supplied to the host and the data storage device,

Wherein described controller is further configured to：

Charging operations status attribute is received from the host, the charging operations status attribute represents the charging operations of the battery State, and

Judge whether to perform in response to receiving dormancy into request from the host based on the charging operations status attribute Dormancy.
A kind of 11. data storage device, it is characterised in that including：

Interface, order and data are received from host；

Cache memory, the data that interim storage is received；

Memory, stores the data stored in the cache memory non-provisionally；And

Controller, the memory and the caches are controlled based on the order received from the host Device,

Wherein described order includes being used for the charge rate of the battery to data storage device supply electric power, and

The controller judges whether the data storage device is in idle condition, and when the data storage device is in institute When stating idle condition, the charge rate based on the battery determines the current operational mode of the data storage device.
12. data storage device according to claim 11, it is characterised in that

When the charge rate of the battery is less than first level, the controller is by described in the data storage device Current operational mode is determined as first mode, and the power consumption of the data storage device is minimized in the first mode,

When the charge rate of the battery is the first level or during more than the first level, the controller is by institute The current operational mode for stating data storage device is determined as second mode, in the second mode the data storage dress The processing speed put is maximized, and the second mode is different from the first mode.
13. data storage device according to claim 12, it is characterised in that

In the first mode, the first clock frequency of the first processor being contained in the interface is with being contained in the control The second clock frequency of second processor in device processed is configured to predetermined minimum frequency.
14. data storage device according to claim 12, it is characterised in that

In the first mode, (IPC) time delay of the inter-processor communication between the interface and the controller is set Determine into more than 0.
15. data storage device according to claim 11, it is characterised in that

When the data storage device is in active state, the controller maintains currently active operational mode.
A kind of 16. data storage device, it is characterised in that including：

Interface, order and data are received from host；

Cache memory, the data that interim storage is received；

Memory, stores the data stored in the cache memory non-provisionally；And

Controller, the memory and the caches are controlled based on the order received from the host Device,

Wherein described order includes being used for the charge rate from the battery to data storage device supply electric power and charged state of Information, and

When receiving synch command from the host, the charge rate of the controller based on the battery and described fill Electricity condition information judges whether to perform simultaneously operating.
17. data storage device according to claim 16, it is characterised in that

The synch command includes clear command,

When the charge rate of the battery is first level or more than the first level and the charging status information table When showing that the battery is being electrically charged, the controller is not when receiving the clear command from the host to being stored in State the data in cache memory and perform clear operation, and

When the charge rate of the battery is less than the first level, the controller is receiving institute from the host The clear operation is performed to the data stored in the cache when stating clear command, regardless of whether described How is charging status information.
18. data storage device according to claim 17, it is characterised in that

When the cache memory, which does not have, is used to store the space of the data received from the host, the control Device processed performs the clear operation to the data stored in the cache, and the speed buffering is deposited Reservoir initializes.
19. data storage device according to claim 16, it is characterised in that

The synch command includes the writing commands for including the data for forcing cell access,

When the charge rate of the battery is first level or more than the first level and the charging status information table When showing that the battery is being electrically charged, the controller is received comprising described in the pressure cell access from the host The data comprising the pressure cell access are stored in the cache memory during said write order of data In, and

When the charge rate of the battery is less than the first level, the controller is receiving bag from the host The data of the pressure cell access will be included during the said write order of the data containing the pressure cell access Be stored in the memory, regardless of whether the charging status information how.
A kind of 20. method of manufaturing data storage device, it is characterised in that including：

The data storage device is provided, the data storage device includes：Interface, from external reception order and data；At a high speed Buffer storage, the data that interim storage is received；Memory, stores and is deposited in the cache memory non-provisionally The data of storage；And controller, the memory and the cache memory are controlled based on the order；And

The data storage device is tested,

Wherein described order includes being used for the charge rate from the battery to data storage device supply electric power and charged state of Information, and

It is described that the data storage device is carried out to test the control for including test bag and being contained in the data storage device Whether the charge rate based on the battery and the charging status information determine showing for the data storage device to device Whether simultaneously operating is performed with operational mode and the data storage device.