CN201654772U - Storage medium interface conversion device - Google Patents
Storage medium interface conversion device Download PDFInfo
- Publication number
- CN201654772U CN201654772U CN2010201856115U CN201020185611U CN201654772U CN 201654772 U CN201654772 U CN 201654772U CN 2010201856115 U CN2010201856115 U CN 2010201856115U CN 201020185611 U CN201020185611 U CN 201020185611U CN 201654772 U CN201654772 U CN 201654772U
- Authority
- CN
- China
- Prior art keywords
- storage medium
- data
- module
- interface
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a storage medium interface conversion device, which comprises a standardized interface module, a data matching module and a storage medium control module, wherein the standardized interface module is connected with the data matching module, and the data bit width and the clock frequency input by the standardized interface module are consistent with the requirements of a system using the storage medium; the storage medium control module is connected with the data matching module and is used for mapping the time sequences of storage medium interfaces and completing the data interaction of the storage medium; and the data matching module is used for conducting time sequence matching to the data of the standardized interface module and the data of the storage medium control module. Through mapping the time sequences of the storage medium interfaces to be the time sequences of standardized interfaces, the data exchange transmission of the standardized interfaces is realized and convenient conditions are provided for the use of the storage medium of complex time-sequence interfaces.
Description
Technical field
The utility model relates to computing machine and electronic technology field, particularly relates to a kind of storage medium interface conversion equipment with standard interface characteristic.
Background technology
At present, in electronic technology fields such as computing machine, communication, information processing, increasing to the demand of the storage medium of high-speed high capacity.Under this trend, recently be the high-speed high capacity dual access memory of representative with DDR SDRAM (Double Data RateSynchronous Dynamic Random Access Memory, Double Data Rate synchronous DRAM), DDR2 SDRAM, DDR3 SDRAM and be that the application of the high-capacity flash memory of representative is developed rapidly with NAND FLASH.Compare with SDRAM, SDRAM is a transmission primaries data in a clock period, only carries out data transmission in the rising stage of clock; The DDR internal memory then is twice secondary data of transmission in the clock period, can be issued to higher data transmission rate at the bus frequency identical with SDRAM in rising stage and each transmission primaries data of decrement phase of clock.NAND FLASH internal memory is a kind of of FLASH internal memory, and it is inner to adopt non-linear macroelement pattern, and it is bigger to have a capacity, and rewriting speed is fast, is applicable to the storage of mass data.
But, the application of above-mentioned storage medium also is subjected to the restriction of some factors: at first, industry generally is to adopt clock monolateral along triggering to the Signal Processing mode at present, and above-mentioned storage medium transmits in order to improve data, generally all adopts the two modes along triggering of clock.Secondly, these storage medium interface complex time need special interface management mode.Thereby cause the interface of various storage mediums all inequality, use inconvenience.
The utility model content
Problem to be solved in the utility model provides a kind of storage medium interface conversion equipment, causes storage medium to use inconvenient defective to overcome in the prior art owing to the interface of various storage mediums is inequality.
For achieving the above object, the technical solution of the utility model provides a kind of storage medium interface conversion equipment, and described device comprises standard interface module, Data Matching module and storage medium control module; Described standard interface module is connected with described Data Matching module, and the data bit width of its input and clock frequency are consistent with the system requirements that uses described storage medium; Described storage medium control module is connected with described Data Matching module, is used for the mapped storage media interface sequence, finishes the data interaction to storage medium; Described Data Matching module is used for the data of described standard interface module and storage medium control module are carried out the sequential coupling.
Further, described Data Matching module comprises condition monitoring unit, key control unit, data input channel and data output channel; Described condition monitoring unit is connected with key control unit with the standard interface module respectively, is used to gather the state of described standard interface module, handles and sends correlating markings information to key control unit; Described data input channel is connected with the storage medium control module with the standard interface module respectively, is used for gathering the input data of standard interface module, and is matched to the interface sequence of storage medium control module; Described data output channel is connected with the storage medium control module with the standard interface module respectively, is used to receive the output data of storage medium control module, and matches in the standard interface module; Key control unit is connected with condition monitoring unit, data input channel, data output channel and storage medium control module respectively, be used for the flag information that the accepting state monitoring unit sends, respectively data input channel and data output channel are operated, and carry out information interaction with the storage medium control module.
Further, when storage medium included unavailable address, described device also comprised: bad block table (being unavailable address block) information memory cell, the defect block addresses information that is used to preserve storage medium; Address decoding unit is used for according to described defect block addresses information, guarantees that Input Address skips defect block addresses and shine upon one by one with available address.
Further, described standard interface module comprises: the data-interface of input and output, address interface, enable the status information interface of control interface and standard interface.
Further, if during the memory address of the corresponding a plurality of absolute address interfaces of described storage medium control module, comprise a plurality of control modules, each control module carries out information interaction with a storage medium respectively.
Further, described storage medium comprises that DDR SDRAM, DDR2 SDRAM, DDR3 SDRAM series is the flash memory of representative for the internal memory of representative or NAND FLASH.
Further, use for the ease of the user, require the external interface characteristic representative, promptly the sequential of described standard interface is FIFO (First Input First Output, First Input First Output) or RAM (RandomAccess Memory, random access memory) interface sequence.
Compared with prior art, the utility model beneficial effect is as follows:
The utility model is by being mapped as the standard interface sequential to the storage medium interface sequential, realized that the data of standard interface exchange transmission, to the use of the storage medium of the complex time sequence interface condition of providing convenience.
Description of drawings
Fig. 1 is the structural representation of a kind of storage medium interface conversion equipment of the present utility model;
Fig. 2 is the process flow diagram of a kind of storage medium interface conversion method of the present utility model;
Fig. 3 is the storage medium read-write process flow diagram of the utility model embodiment one;
Fig. 4 is the Interface status synoptic diagram of the storage medium interface conversion equipment of the utility model embodiment one;
Fig. 5 is the structural representation of the storage medium interface conversion equipment of the utility model embodiment two.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
A kind of storage medium interface conversion equipment of the utility model embodiment comprises standard interface module, Data Matching module and storage medium control module as shown in Figure 1.
The standard interface module is connected with the Data Matching module, and the data bit width of its input and clock frequency are consistent with the system requirements that uses storage medium.The standard interface module comprise input and output data-interface, address interface, enable the status information interface of control interface and standard interface, its sequential comprises FIFO or RAM interface sequence.
The Data Matching module is used for the data of described standard interface module and storage medium control module are carried out the sequential coupling, comprises condition monitoring unit, key control unit, data input channel and data output channel.
The condition monitoring unit is connected with key control unit with the standard interface module respectively, is used to gather the state of described standard interface module, handles and sends correlating markings information to key control unit.
The data input channel is connected with the storage medium control module with the standard interface module respectively, is used for gathering the input data of standard interface module, and is matched to the interface sequence of storage medium control module.
The data output channel is connected with the storage medium control module with the standard interface module respectively, is used to receive the output data of storage medium control module, and matches in the standard interface module.
Key control unit is connected with condition monitoring unit, data input channel, data output channel and storage medium control module respectively, be used for the flag information that the accepting state monitoring unit sends, respectively data input channel and data output channel are operated, and carry out information interaction with the storage medium control module.
The storage medium control module is connected with described Data Matching module, is used for the mapped storage media interface sequence, and carries out information interchange with key control unit, finishes the data interaction to storage medium.
A kind of storage medium interface conversion method of the present utility model may further comprise the steps as shown in Figure 2:
Step 21: after the electrification reset, the storage medium control module need be carried out initialization and information inquiry operation to storage medium, and the configurable clock generator unit waits for that then initialization finishes.
Step 22: after initialization was finished, the status information of condition monitoring unit query criteria interface, and the status information of computer storage media were sent to key control unit with marking signal.
Step 23: key control unit triggers associative operation after receiving the marking signal that the condition monitoring unit provides.
Step 24: each unit cooperatively interacts under the control of key control unit, carries out information interchange with the storage medium control module, finishes the input and output of data, address signal and the coupling that enables control signal.
Step 25: the interface sequence that the storage medium control module need become the information translation that other unit in the system provide storage medium can discern, carry out data interaction with storage medium.
Embodiment one
The storage medium read-write flow process of the utility model embodiment one as shown in Figure 3, be that example describes storage medium be divided into two passages and be mapped as the fifo interface characteristic in the present embodiment, wherein the Interface status synoptic diagram of storage medium interface conversion equipment as shown in Figure 4.With reference to Fig. 3 and Fig. 4, present embodiment may further comprise the steps:
Step 31: the input data bit width of standard interface module is 36 bit wides, and input clock is 106,000,000, and the condition monitoring unit monitors the status information of standard interface all the time.
Step 32: this status information is handled in the condition monitoring unit, is sent to key control unit and triggers write operation.
Step 33: write operation meeting control data enters the data input channel from the standard interface module, and the data bit width of this moment transforms to 144 bit wides, and clock also adopts system clock 200,000,000.
Step 34: data message, address information are mated according to the requirement of storage medium control module in the data input channel, and are transferred into the storage medium control module.
Step 35: the storage medium control module is with the enable signal of receiving, address information and data message are converted to the interface sequence of storage medium, with information stores in medium.
Step 36: the status information of standard interface and storage medium is collected in the condition monitoring unit simultaneously, provides marking signal to key control unit when satisfying after setting requires, and triggers read operation.
Step 37: the storage medium control module is read data message, and is imported the data output channel under enabling of providing of internal system and address signal cooperate from storage medium, the data bit width of this moment still is 144 bit wides, and clock adopts system clock.
Step 38: under the control of key control unit, data are sent to the standard interface module from the data output channel, are processed into 36 bit wides of external interface according to external demand, and clock adopts 106,000,000 of outside input.
Embodiment two
The structure of the storage medium interface conversion equipment of the utility model embodiment two as shown in Figure 5, in the present embodiment with eight independently storage medium to be mapped as the RAM interface features be that example describes, compare with embodiment one, when storage medium includes unavailable address, the storage medium interface conversion equipment of present embodiment also comprises bad block table (being unavailable address block) information memory cell and address decoding unit, if and during the memory address of the corresponding a plurality of absolute address interfaces of storage medium control module, be divided into a plurality of control modules, each control module carries out information interaction with a storage medium respectively.The bad block table information memory cell is used to preserve the defect block addresses information of storage medium; Address decoding unit is used for according to described defect block addresses information, guarantees that Input Address skips defect block addresses and shine upon one by one with available address.
Storage medium in the present embodiment is an example with NAND FLASH, and NAND FLASH high-capacity flash memory can produce " bad piece " along with increasing progressively of service time, should skip this class " bad piece " by the address decoding mode when carrying out data storage.Its processing procedure is as follows:
Step 51: after powering on, device detects bad block table information automatically, and finishes the defect block addresses inquiry renewal of storage medium.
Step 52: after finishing initialization operation, interface arrangement externally is shown as the RAM interface sequence.
Step 53: the condition monitoring unit is the query criteria interface status information constantly, and triggers marking signal to key control unit.
Step 54: key control unit triggers corresponding operating, and address decoding unit is finished Input Address decoding, and data channel is finished the extraction of interaction data.
Step 55: under key control unit under the management, various data, enable, interface sequence that address information is matched to the storage medium control module.
Step 56: the storage medium control module is finished with the signal of storage medium and is docked, and realizes various operations.
In above embodiment, described storage medium comprises that DDR SDRAM, DDR2 SDRAM, DDR3SDRAM series is the internal memory of representative for the internal memory of representative or NAND FLASH.
The utility model is by being mapped as the standard interface sequential to the storage medium interface sequential, realized that the data of standard interface exchange transmission, to the use of the storage medium of the complex time sequence interface condition of providing convenience.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a storage medium interface conversion equipment is characterized in that, described device comprises standard interface module, Data Matching module and storage medium control module;
Described standard interface module is connected with described Data Matching module, and the data bit width of its input and clock frequency are consistent with the system requirements that uses described storage medium;
Described storage medium control module is connected with described Data Matching module, is used for the mapped storage media interface sequence, finishes the data interaction to storage medium;
Described Data Matching module is used for the data of described standard interface module and storage medium control module are carried out the sequential coupling.
2. storage medium interface conversion equipment as claimed in claim 1 is characterized in that, described Data Matching module comprises condition monitoring unit, key control unit, data input channel and data output channel;
Described condition monitoring unit is connected with key control unit with the standard interface module respectively, is used to gather the state of described standard interface module, handles and sends correlating markings information to key control unit;
Described data input channel is connected with the storage medium control module with the standard interface module respectively, is used for gathering the input data of standard interface module, and is matched to the interface sequence of storage medium control module;
Described data output channel is connected with the storage medium control module with the standard interface module respectively, is used to receive the output data of storage medium control module, and matches in the standard interface module;
Key control unit is connected with condition monitoring unit, data input channel, data output channel and storage medium control module respectively, be used for the flag information that the accepting state monitoring unit sends, respectively data input channel and data output channel are operated, and carry out information interaction with the storage medium control module.
3. storage medium interface conversion equipment as claimed in claim 2 is characterized in that, when storage medium included unavailable address, described device also comprised:
The bad block table information memory cell, the defect block addresses information that is used to preserve storage medium;
Address decoding unit is used for according to described defect block addresses information, guarantees that Input Address skips defect block addresses and shine upon one by one with available address.
4. storage medium interface conversion equipment as claimed in claim 1 is characterized in that, described standard interface module comprises: the data-interface of input and output, address interface, enable the status information interface of control interface and standard interface.
5. storage medium interface conversion equipment as claimed in claim 1, it is characterized in that, if during the memory address of the corresponding a plurality of absolute address interfaces of described storage medium control module, comprise a plurality of control modules, each control module carries out information interaction with a storage medium respectively.
6. as each described storage medium interface conversion equipment of claim 1 to 5, it is characterized in that described storage medium comprises DDR SDRAM, DDR2 SDRAM, DDR3 SDRAM or NANDFLASH.
7. as each described storage medium interface conversion equipment of claim 1 to 5, it is characterized in that the sequential of described standard interface is FIFO or RAM interface sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201856115U CN201654772U (en) | 2010-05-10 | 2010-05-10 | Storage medium interface conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201856115U CN201654772U (en) | 2010-05-10 | 2010-05-10 | Storage medium interface conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654772U true CN201654772U (en) | 2010-11-24 |
Family
ID=43120015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201856115U Expired - Lifetime CN201654772U (en) | 2010-05-10 | 2010-05-10 | Storage medium interface conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201654772U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680600A (en) * | 2013-12-18 | 2014-03-26 | 北京航天测控技术有限公司 | Storing device suitable for data with different bit widths |
| CN109389213A (en) * | 2017-08-02 | 2019-02-26 | 上海寒武纪信息科技有限公司 | Storage device and method, data processing equipment and method, electronic device |
| CN111831209A (en) * | 2019-04-16 | 2020-10-27 | 西安诺瓦电子科技有限公司 | Data access device and system |
-
2010
- 2010-05-10 CN CN2010201856115U patent/CN201654772U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680600A (en) * | 2013-12-18 | 2014-03-26 | 北京航天测控技术有限公司 | Storing device suitable for data with different bit widths |
| CN103680600B (en) * | 2013-12-18 | 2016-08-03 | 北京航天测控技术有限公司 | A kind of storage device of applicable different bit wide data |
| CN109389213A (en) * | 2017-08-02 | 2019-02-26 | 上海寒武纪信息科技有限公司 | Storage device and method, data processing equipment and method, electronic device |
| CN111831209A (en) * | 2019-04-16 | 2020-10-27 | 西安诺瓦电子科技有限公司 | Data access device and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105335327A (en) | Reconfigurable/dual redundancy VPX3U signal processing carrier board based on Soc | |
| CN101416137B (en) | Power-optimized frame synchronization for multiple USB controllers with non-uniform frame rates | |
| CN103389963A (en) | Embedded system controller | |
| CN104811643B (en) | Image data high-speed memory system based on SD card array | |
| CN202421950U (en) | External expanding unit for PCI (Peripheral Component Interconnect) bus board cards | |
| CN201654772U (en) | Storage medium interface conversion device | |
| CN104077246A (en) | Device for realizing volatile memory backup | |
| CN111158633A (en) | DDR3 multichannel read-write controller based on FPGA and control method | |
| CN102200953A (en) | Electronic system | |
| CN201673402U (en) | Controller of decentralized control system | |
| CN102736594A (en) | Modular design method of unified platform of intelligent power distribution terminal | |
| CN104850516A (en) | DDR frequency conversion design method and device | |
| CN102789424B (en) | External extended DDR2 (Double Data Rate 2) read-write method on basis of FPGA (Field Programmable Gate Array) and external extended DDR2 particle storage on basis of FPGA | |
| CN106649137A (en) | Nand Flash bad block management method and device and memory | |
| CN203858630U (en) | Pcie interface switching device | |
| CN110765065A (en) | System on chip | |
| CN105630400A (en) | High-speed massive data storage system | |
| CN217443888U (en) | Computer display core board | |
| CN109753459A (en) | A kind of high capacity data record device | |
| CN203838614U (en) | PCIE expansion card with network management interfaces | |
| CN102110054B (en) | Communication method and device for PCI (peripheral component interconnect) equipment and system memory | |
| CN202435022U (en) | Electrified railway traction network microcomputer feed line protection device | |
| CN104867520A (en) | Intelligent data storage unit of exciting magnet apparatus based on ferroelectric random access memory and working method therefor | |
| CN206892855U (en) | A kind of more USB device interacted systems | |
| CN209765488U (en) | SRIO and USB conversion control board card |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qi Meng Inventor after: Cai Rong Inventor after: Xing Gang Inventor after: Li Xing Inventor after: Li Yuan Inventor after: Li Liya Inventor after: Dan Jinshan Inventor after: Lu Tao Inventor after: Wang Yang Inventor after: Dai Zichun Inventor before: Li Yuan Inventor before: Xing Gang Inventor before: Li Xing Inventor after: Qi Meng Inventor after: Cai Rong Inventor after: Xing Gang Inventor after: Li Xing Inventor after: Li Yuan Inventor after: Li Liya Inventor after: Dan Jinshan Inventor after: Lu Tao Inventor after: Wang Yang Inventor after: Dai Zichun Inventor before: Li Yuan Inventor before: Xing Gang Inventor before: Li Xing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI YUAN XING GANG LI XING TO: QI MENG XING GANG LI XING LI YUAN LI LIYA DAN JINSHAN LU TAO WANG YANG DAI ZICHUN CAI RONG |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
|
| CX01 | Expiry of patent term |