TW200540717A - Apparatus for reading/writing storage device - Google Patents

Abstract

The conventional apparatus for reading/writing storage devices need a built-in microprocessor control unit (MCU) to process commands. Thus, the elasticity (e.g. : supporting capacity of storage device) and the cost of the apparatus are not satisfied. The present invention employs a driver and a hardwire circuit to replace the MCU for money saving without changing other units in the apparatus. Moreover, the apparatus of the present invention can raise the supporting capacity of storage device and compatibility by just updating the driver.

Description

200540717 V. Description of the invention (1) Technical field to which the invention belongs: The present invention relates to a storage device reading and writing device, and more particularly to a storage device reading and writing device without a built-in microprocessor. Prior technology: Traditional memory card reading and writing devices (such as card readers) have a built-in microprocessor control unit (MCU) to process instructions sent from the computer to the memory card. Referring to the first figure, a connection relationship between a conventional memory card reading and writing device 10 and a computer and a memory card 60 is shown. Taking writing data to the memory card 60 as an example, the operation between the conventional memory card reading and writing device 10 and the computer and the memory card 60 is described below. The computer sends SCS I (Small Computer System Interface) commands and data to the universal serial port interface (USB interface) 30 via the south bridge chip 20. The universal serial port interface 30 sends the SCSI command and data into a USB packet and sends it out. After the microprocessor 40 interprets the USB packet into a memory card control command and data, it sends the memory card control command and data to the memory card interface. 5 0 'Last 3 has a memory card interface 5 0 stores data into the memory card 60 according to the memory card control instruction. The microprocessor has basic micro instructions, and the driver of the conventional memory card reader / writer uses the method of calling these micro instructions to handle the communication between the computer and the memory card reader / writer. The main function of the microprocessor is USB instructions

200540717 Description of the invention (2) and the partitioning table between the memory card instructions (such as SM card, xD card, memory card capacity support, etc., also provides a memory card MS card without a built-in controller) partition table (tabl〇 The establishment and 0 Generally speaking, the microprocessor is electrically Erasable and the microinstructions are stored in it, and the microinstructions need to be updated. At this time, the user connects the transmission line and the computer to the computer under the existing computer system. Therefore, manufacturers generally do not build firmware that users often fail to use. Includes an electronic erasure & Programraabl e. When the memory card capacity 'must be changed, the memory card must be read to perform firmware upgrades. If it fails, it is suggested that the client should update it by itself. If the read-only memory card (ROM, EEPR0M) has insufficient support, the hardware writing device can be upgraded through USB. However, the firmware update is generally high risk, which makes Increased hardware support. Therefore, the overall architecture of a memory card with a built-in microprocessor is not flexible enough to read, write, and install. Contents The above-mentioned Xi Li 4 scholars ~ 丄 The architecture is not flexible enough. The main purpose of the system is to provide the cost of a read-write device. · Sub-item writing device to reduce storage element

200540717

V. Description of the invention (3) Another object of the present invention is to provide a storage element read-write mounting type which can increase the support degree of the storage element by updating, and increase the flexibility of the storage element read-write device architecture. Based on the memory limit state, the output is from the memory card and output, and the limited card state is to receive the memory card to the memory material to the card reader device according to the aforementioned item, and a record of a host and a memory detail instruction. The state machine uses signals to rotate the process steps, and according to the memory card and the register. Yes, the present invention discloses a memory-control memory card control interface. Among them, the transmission instruction and a data, temporary storage and memorization. The details include a card-shaped data of a transmission interface to receive first-class information, memorize the detailed status information, and record the detailed steps. This memory card data department commands and steps. The above steps output a memory card, receive a memory card, a memory card, a memory status message, data and card reading and writing, a register input interface, and the connector uses a card status control command to control the card control number, and output to a recording device. One is used to receive a note to temporarily store the signal, and the memory is used to output the data to the memory card using the command nr. The storage element w 82 has an input interface, a hard-wired circuit, and a storage element. The hard-wired i = =: is used to transmit-detailed instructions and-data instruction output-streaming yak: t input interface 'and transmit The data is transmitted in accordance with the detailed path, and the storage element control interface is coupled to the hard-wired electrical cable and outputs a storage element instruction to the process steps.

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A storage element. The invention is longer: a read-write circuit for a storage element is provided. The hard-wired circuit package of the aforementioned storage element read-write device includes a control register and a finite state machine. The above-mentioned control register is used to temporarily store ^ value = a detailed instruction and a piece of data; and the above-mentioned finite state machine receives the detailed instruction VIII, and the rain outputs a process step according to the detailed instruction. The detailed instructions are obtained by disassembling a scs ^ command by a driver in the host. Implementation method: The preferred embodiment of the present invention will be described in detail as follows. However, with the exception of the following implementations, the present invention is more widely applicable in other embodiments' and the scope of the present invention is not limited thereto, but is defined by the scope of the attached patent application. "Furthermore, in order to provide a clearer description of the present invention, the various parts in the drawing have not been drawn according to their relative sizes, the proportions of some components and other parts have been exaggerated, and unimportant details have not been completely drawn. Out for map

The spirit of the present invention is to use software and hardware (Hardwire) to fetch the microprocessor built in the traditional memory card reading and writing device. Transfer the memory card capacity support and memory card partition table that were originally processed by the microprocessor

Page 10i 200540717 V. Description of the invention (5) Software for processing. The software also processes the scs! Instructions of the computer operating system for reading and writing devices, and edits the% 51 instructions.] = 二 二 = Cards :: where: this Detailed instruction, which edits the detailed instruction = Memory card # 说 令. In this way, 纟, the function of the original microprocessor can be replaced by J f dihedron and hardware circuit, gp can save the microprocessor ==: the cost of selling the writing device. Moreover, traditional memory]: == service. The present invention can be solved by the method of updating the driver program—refer to No. BII, presenting the storage element of the present invention; ^ 1000 ^ ^ 'Vl30 ^; ί 11. (For example, note type 5 :. And the transmission interface 130 and the host to transmit a detail refers to the electric two or a table of the material type 13_combination, f Λ circuit 140 and the transmission interface Cheng Niuchang ▲ data and output according to the detailed instructions -The data i and J = t control interface I50 are combined with the hard-wired circuit 140 to predict and output a misplaced component instruction to a storage element 145 in accordance with the process steps. The hard Λ electrical temporary circuit Λ 4. 0 may include control temporary storage 11135 and the finite state machine refer to the human and industrial data storage benefit 135 to temporarily store the details 7 and Beco from the transmission interface I30, and output the details to refer to the times of this month; the ancient π industry At secret 1 4 π Pi 6 -M 1 on the 4th and 7 months and the finite state machine 4 5 and staggered 70 pieces of the control interface 1 50. The limited stickers click on her! ^ ⑽] ^ 44 匕 入 廿 / 六 胖 ▲ ^, $ I 民The state machine 1 4 5 receives the detail pointer ν and outputs the stream according to the detail instruction (^ ^ κ processing steps) to 200540717

Storage element control interface 150. The storage element control interface 15 receives the flow steps and outputs the storage element control instructions to the storage element i 60 according to the flow steps, and outputs the storage element status signal to the finite state machine 1 45 according to the state of the storage element 160, so that the finite state machine i 45 can output the process steps according to the state of the storage element 160. ~ The above detailed instructions are obtained by disassembling the SCSI instructions transmitted from the host to the storage element read / write device 100 by a driver in the host 110. These detailed instructions include read, write, erase, copy, scan extra area, card reset, card format, or a combination thereof. The above-mentioned data includes write data transmitted from the host to the storage element and read data transmitted from the storage element to the host. The above-mentioned transmission interface may be a first-in-first-out control interface, such as a universal serial (USB) interface or an IEEE 1 394 interface. Therefore, the storage device reading and writing device 100 is connected to the computer through a universal serial (USB) port or an IEEE 1 394 port, and receives detailed instructions decomposed by the CSI command and writes to be stored in the storage device 1 60. data. The storage element of the present invention may be a flash memory card or a micro drive. Flash memory cards can be divided into flash memory cards with a controller and flash memory cards without a controller. Flash memory with controller: CF (Compact Flash) memory card, SD (Secure Digital) memory card, MS pro (Memory Stick PRO) memory card

200540717 V. Description of the invention (7) WMMC (Multimedia Card) memory card, etc .; without the controller | The storage components include SM (Smart Media) memory card, xj) (xj) — ° Picture) memory card and MS (Memory Stick) memory card, etc. The read-write device 100 for a health storage device of the present invention may further include a plurality of slots | The slots are coupled to the control interface of the memory card for placing the above-mentioned different memory cards. Multiple slots include SM memory card slot, xD memory card fan, MS memory card slot, MS prQ memory card slot, micro hard drive slot slot, memory card slot, micro The storage element reading and writing device of the present invention does not need to be built-in by changing: drive ::: secondary storage; :: =; location: cost. Moreover, it can support the system to reduce the flexibility of the hardware read / write device architecture of the physical read / write device. The risk of going further will further increase the storage element read and write device of storage elements that are familiar with storage elements with different hurdles. By adjusting the timing Ct of the driver, there is a problem of compatibility. The present invention can take advantage of this. lming), and improve the compatibility of the storage element. The present invention is also based on better solid silk. The patent rights claimed by Mingming are clearly not limited to the scope of the patent and the scope of this patent. The scope of patent protection shall be regarded as appended to 1, without departing from the spirit of this patent; All equivalent changes or designs made by those skilled in the art of this field should be 200540717 V. Description of Invention (8) is included in the scope of patent application described below.

Page 14 200540717 Brief description of the drawings Brief description of the drawings: The first diagram is a schematic diagram of a conventional memory card read-write device; and the second diagram is a schematic diagram of a preferred embodiment of a storage element read-write device according to the present invention. Chart comparison table: 10 Memory card read / write device 20 South bridge chip 30 Universal serial port interface 40 Microprocessor 50 Memory card interface 60 Memory card 100 Storage element read / write device 110 Host 120 South bridge chip 130 Transmission interface 135 Control temporary storage 140 hard-wired circuit 145 finite state machine 150 storage element control interface 160 storage element

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Claims (1)

200540717 VI. Scope of patent application Patent application scope: 1 · A memory card reading and writing device, its components include: a transmission interface for outputting a detailed instruction and a data from a host, and receiving a memory card data And a memory card status signal; a control register for temporarily storing and outputting the detailed instruction, the data, the memory card data, and the memory card status signal; a finite state machine for receiving the detailed instruction, and According to the detailed instructions and the memory card status signal, output flow steps (pr0Cess inng steps); and a memory card control interface for receiving the process steps, and according to the process steps, output a memory card control instruction to A memory card, outputting the memory card status signal according to the state of the memory card, outputting the data to the memory card, and receiving the memory card data by the memory card and outputting the memory card data to the control register. 2. For the memory card reading and writing device in the first scope of the patent application, wherein the detailed instructions are disassembled by a Scsi (Smal i Computer System Interface) instruction by a driver in the host. The device, in which the transmission is installed, in which the memory 3. If the memory card read and write interface of the second patent application scope is a first-in-first-out control interface. 4 · If you want to read or write the memory card in the third item of the patent application 200540717 6. The scope of the patent application The card read / write device is connected to the host computer through the universal serial port or IEEE 1 3 94 port. 5. The memory card reading and writing device according to item 2 of the patent application scope, wherein the memory card is a flash memory card with a controller. 6. The memory card reading and writing device according to item 5 of the patent application, wherein the memory card with the controller includes a CF memory card, a micro hard disk, an SD memory card, an MMC memory card, and an MS pro memory card. 7. For the memory card reading and writing device of the second patent application scope, wherein the memory card is a flash memory card without a controller. 8. As for the memory card reading and writing device in the seventh scope of the patent application, the memory card without a controller includes an SM memory card, an xD memory card and an MS memory card. % 9. As for the memory card reading and writing device in the second scope of the patent application, the detailed instructions include reading, writing, erasing, copying, scanning extra area, card reset, card formatting And combinations. 10. The memory card reading and writing device according to item 2 of the patent application scope further includes a plurality of slots coupled to the memory card control interface. 1 1. If the memory card read-write device of item 10 of the patent application scope, wherein the recovery Page 17 200540717 Six, patent application scopeSeveral slots include SM memory card slot, xD memory card insertion slot ^, MS ^ 4 slot, MS pro memory card slot, micro hard disk slot, 7 ^ ° think SD memory card slot, MMC memory card slot, miniature hard drive handle, he praises the monk. 12 、 If the memory card reading and writing device in the second scope of the patent application, the bean is a notebook computer or a desktop computer. Eight-μ host—a storage element read-write device whose constituent elements include a transmission interface for transmitting a detailed instruction and a data 13 π 昭 # hard-wired circuit coupled to the transmission interface for transmitting the data Detailed instruction output process steps (Ϊ) Ϊ 资 ^ ^ ^ Utilities control interface, consumed by the hard-wired circuit, used to transfer parts. …, ~ Machine ^ steps to output a storage element instruction to a storage element 1 4 · If the patent application details instructions are made of the storage element read-write device of item 13 of the main circle '. A driver in the machine disassembles a SCSI instruction and 15 • If the patent application data includes a storage element read / write device of 5 items by the host, where the storage element is transmitted to the host ^ writer of the storage element Information and information obtained by the master of the transfer thief. Page 18 200540717 VI. Scope of patent application 16. If the storage element read-write device of item 14 of patent application scope, the transmission interface is a first-in-first-out control interface. 17. The storage element reading and writing device according to item 16 of the patent application scope, wherein the storage element reading and writing device is connected to the host through a universal serial port or an IEEE 1 3 94 port. 18. The storage element read-write device according to item 14 of the scope of patent application, wherein the storage element is a storage element with a controller. 19. The storage element reading and writing device according to item 18 of the scope of patent application, wherein the storage element having a controller includes a CF memory card, an SD memory card, an MMC memory card, an MS pro memory card, and a micro hard disk. 20. The storage element reading and writing device according to item 14 of the scope of patent application, wherein the storage element is a storage element without a controller. 2 1. The storage element reading and writing device according to item 20 of the patent application scope, wherein the storage element without a controller includes an SM memory card, an xD memory card, and an MS memory card. 2 2. If the storage element read-write device of item 14 in the scope of patent application, the detailed instructions include reading, writing, erasing, copying, and scanning additional areas ( Page 19 200540717 VI. Patent Application Scope (Scan Extra area), card reset, card formatting, or a combination thereof. 2 3 · If the storage element read / write device for item 14 in the scope of patent application, its component element further includes a plurality of slots, which are coupled to the memory card control interface. 2 4 · If the storage element read-write device of item 23 of the patent application scope, wherein the plurality of slots include SM memory card slot, xD memory card slot, MS memory card slot, MS pro memory card slot, Mini hard drive slot, CF memory card player, SD memory card slot, MMC memory card slot, micro hard drive slot. Monk and his juniors 2 · If the storage element read-write device of item 14 of the patent application scope, the host is a notebook computer or a desktop computer. 26.—A hard-wired circuit for a storage element read-write device, including a control register for temporarily storing and transmitting a detailed instruction and; and a data finite state machine for receiving the Detailed instructions and follow the instructions to output a process step; The detailed instructions are disassembled by a driver in a host. ~ SCSl 2 7 · If the hard-wired circuit of the 26th item of the patent application, ^% fine but 1 order contains read, write, erase, copy, scan additional area war [^ <Scan 200540717 VI. Scope of patent application ------- Extra area), card reset, card type or combination thereof. 2 8 · The hard-wired circuit according to item 26 of the patent application, where:> is a storage element with a controller. "Storage element 2 9 · The hard-wired circuit of item 26 of the patent application, wherein the storage element with the controller includes a CF memory card, an SD memory card, an MMC memory card, an Ms pro memory card, and a micro hard disk. 30. The hard-wired circuit of item 26 of the patent application, wherein the storage element is a storage element without a controller. 3 1 · If the hard-wired circuit of item 26 of the patent application, wherein the storage element without a controller includes an SM memory card, an xD memory card, and a memory card. Page 21