CN2638147Y - Device of instrument data duplicate to CF electron disk - Google Patents

Abstract

The utility model discloses a device for backuping data in an instrument to the CF electron disk which is used in the non-paper recorder. The device comprises a microprocessor (U1), a static memory (U2), a flash memory (U3), a latch (U4), an address latch unit (U5), a programmable logic device (U6), a CF electron disk socket (J1) and a CF electron disk. The data line and the address line of the microprocessor (U1) are respectively connected with the static memory (U2), the flash memory (U3), the latch (U4), the address latch unit (U5), the programmable logic device (U6) and the CF electron disk socket (J1); the output pin of the programmable logic device (U6) is connected with the CF electron disk socket (J1); the CF electron disk is inserted into the CF electron disk socket (J1). The utility model has the advantages that the structure is simple, the chips which are used are few, the manufacturing, maintenance and use are convenient, the capacity for storage data is large, the mechanical structure is not arranged, and the reliability of saving data is high, etc.

Description

Data backup to the device of CF electric board in the instrument

Technical field

The utility model relates to the device of a kind of data storing, backup, and particularly a kind of being used in the recording instrument without paper backups to the data high-speed of its internal reservoir by the microprocessor single-chip microcomputer device that data in the instrument of CF electric board backup to the CF electric board.

Background technology

The data recording instrument is widely used in each field such as industry, medical treatment, military affairs.The internal memory of this registering instrument mostly adopts FLASH flash memory or SRAM reservoir, be subjected to the restriction of registering instrument inner control unit single-chip microcomputer extended capability, and consider from the recorder manufacturing cost, the capacity of gauge internal FLASH flash memory or SRAM reservoir can not be done very greatly, arrives between several M at hundreds of K usually.After the interior storage space of instrument was filled with, the data of front will be deleted or be covered, if the user need keep these data, just these data need be backuped in the external storage of instrument.

At present, the external storage that datalogger is commonly used has floppy disk, hard disk or the like.So all have turnover panel on the panel of existing datalogger shell, in floppy drive is housed.Floppy disk record amount is little, the hard disk operation trouble; And these two kinds of reservoirs all have mechanical hook-up, and volume is big, also is out of order easily, be not suitable for being used in generally disturb, the industry spot of dust and vibrations, and require data to preserve the high occasion of reliability.

Summary of the invention

Technical problem to be solved in the utility model is, a kind of deficiency that can overcome existing with data in the floppy disk, hard-disc storage, duplicated record instrument is provided, with the microprocessor Single-chip Controlling with fast data backup in the instrument, the capacity that stores into is big, volume is little, do not have mechanical device, data backup to the CF electric board in the instrument in the CF electric board that data preservation reliability is high device.

The technical scheme in the invention for solving the above technical problem is: data backup to the device of CF electric board in this instrument, comprise microprocessor, flash memory, its design feature is: also comprise static store, latch, address latch, programmable logic device (PLD), CF electric board socket and CF electric board, the data of microprocessor and address wire are respectively and static store, flash memory, latch, address latch, programmable logic device (PLD), CF electric board socket links to each other, the output pin of programmable logic device (PLD) links to each other with CF electric board socket, and the CF electric board inserts in the CF electric board socket.

Microprocessor described in the utility model adopts the WINBOND78E516 chip, static store adopts the RAM628128 chip, flash memory adopts FLASH WINBOND29C040 chip, latch adopts the 74HC377 chip, address latch adopts the 74HC573 chip, and programmable logic device (PLD) adopts the GAL16V8 chip.

The OE pin of CF electric board socket described in the utility model connects the RD pin of microprocessor, the WE pin connects the WR pin of microprocessor, eight data lines of D00-D07 pin and microprocessor link to each other, the D08-D15 pin is unsettled, and three address wires of A01-A02 pin and microprocessor link to each other, other address wire ground connection, CE ₂, IORD, 1OWR, REC pin connect high level, CSEL, RESET pin ground connection, other joint is unsettled, output 14 pin of CE pin and programmable logic device (PLD) link to each other.

CF electric board socket described in the utility model is fixed on the mainboard of gauge internal.

The present invention compared with prior art, have following beneficial effect: 1, in this instrument data to backup to the apparatus structure of CF electric board simple, CF electric board socket J1 is fixed on the mainboard of gauge internal, installing used module directly is contained in the instrument, make, safeguard, use and all make things convenient for, and chip used less, low in energy consumption.2, this back-up device adopts the CF electric board to come storage data, and storage volume is big, from tens M to several G, and CF electric board series electron reservoir, there is not mechanical structure, volume is little, data are preserved the reliability height, are difficult for makeing mistakes, losing, and parts that can be used as instrument use in industry spot.

Description of drawings

Fig. 1 is the utility model circuit theory diagrams.

Fig. 2 is the utility model data backup display screen picture synoptic diagram.

Fig. 3 is the utility model data backup operation keyboard synoptic diagram.

Specific embodiments

Data backup to the device example structure of CF electric board in the utility model instrument, referring to Fig. 1.Data backup to the device of CF electric board in this instrument, comprise microprocessor U ₁, static store U ₂, flash memory U ₃, latch U ₄, address latch U ₅, programmable logic device (PLD) U ₆, CF electric board socket J ₁With the CF electric board.Microprocessor U ₁Data and address wire respectively with static store U ₂, flash memory U ₃, latch U ₄, address latch U ₅, programmable logic device (PLD) U ₆, CF electric board socket J ₁Link to each other programmable logic device (PLD) U ₆Output pin and CF electric board socket J ₁Link to each other, during use, the CF electric board inserts CF electric board socket J ₁In.

This device directly is contained in the instrument, CF electric board socket J ₁Be fixed on the mainboard of gauge internal.This instrument adopts the drawer type gauge outfit, and the plug of CF electric board easily also is provided with display screen and operating key, referring to Fig. 2, Fig. 3 on the instrument face plate.The time of last data of the position display backup file of A among Fig. 2, the filename of backup file on the position display CF electric board of B, can select, the position display CF electric board state of C, D is the backup button, E shows the number percent of backup, and F extracts the button that leaves the backup operation picture behind the CF electric board.1 is the image switching key among Fig. 3, and 2 are the cursor key that moves to left, and 3 is the right-cursor key, and 4 is the value key that increases the data of cursor position, and 5 is the value key that reduces the data of cursor position, and 6 are affirmation operation key.

Embodiment microprocessor U ₁Adopt the WINBOND78E516 chip, static store U ₂Adopt the RAM628128 chip, flash memory U ₃Adopt FLASH WINBOND29C040 chip, latch U ₄Adopt the 74HC377 chip, address latch U ₅Adopt the 74HC573 chip, programmable logic device (PLD) U ₆Adopt the GAL16V8 chip, CF electric board socket J ₁Be special-purpose CF electric board socket.

CF electric board socket J ₁Be used to connect CF electric board and data, address bus, OE pin meets microprocessor U on it ₁The RD pin of CPU, WE pin connect the WR pin of CPU, D00-D07 pin and microprocessor U ₁Eight data lines of single-chip microcomputer link to each other, D08-D15 is unsettled, three address wires of A01-A02 pin and single-chip microcomputer link to each other, and are used for read-write state, order and data register, other address wire ground connection, CE2, IORD, IOWR, REG pin connect high level, CSEL, RESET pin ground connection.Other joints are unsettled.CE pin and programmable logic device (PLD) U ₆Output 14 pin of GAL16V8 chip link to each other.Address decoding is that E000H begins, and in the time of gating, CE is a low level, and CE2 is a high level.The CF electric board powers under the MEMORY MAP pattern that automatically operates in eight, and address wire is D00-D07.

Programmable logic device (PLD) U ₆Be used for assigning the address to the CF electric board, in this embodiment, CF electric board address is continuous 8 unit that E000H rises, element address in the CF card: data register 0E000H, address register 0E004H-0E006H, status register 0E007H read command are chosen, command register 0E007HWRITE order is chosen.The address of CPU is connected with the corresponding input pin of programmable logic device (PLD) GAL16V8 with signal wire, and the output of GAL16V8 links to each other with CE on the CF card socket, to finish the sheet choosing of CF electric board and to be operated under eight states.

During use, the CF electric board inserts CF electric board socket J ₁, its each pin is by CF electric board socket J ₁With microprocessor U ₁Data line, address wire link to each other, finish the operation that data in the instrument backup to the CF electric board by operating key.

Claims (4)

1, the interior data of a kind of instrument backup to the device of CF electric board, comprise microprocessor, flash memory, it is characterized in that: also comprise static store (U ₂), latch (U ₄), address latch (U ₅), programmable logic device (PLD) (U ₆), CF electric board socket (J ₁) and the CF electric board, microprocessor (U ₁) data and address wire respectively and static store (U ₂), flash memory (U ₃), latch (U ₄), address latch (U ₅), programmable logic device (PLD) (U ₆), CF electric board socket (J ₁) link to each other programmable logic device (PLD) (U ₆) output pin and CF electric board socket (J ₁) link to each other, the CF electric board inserts CF electric board socket (J ₁) in.

2, the interior data of instrument according to claim 1 backup to the device of CF electric board, it is characterized in that: described microprocessor (U ₁) employing WINBOND78E516 chip, static store (U ₂) employing RAM628128 chip, flash memory (U ₃) employing FLASH WINBOND29C040 chip, latch (U ₄) employing 74HC377 chip, address latch (U ₅) employing 74HC573 chip, programmable logic device (PLD) (U ₆) employing GAL16V8 chip.

3, the interior data of instrument according to claim 1 and 2 backup to the device of CF electric board, it is characterized in that: described CF electric board socket (J ₁) the OE pin meet microprocessor (U ₁) the RD pin, the WE pin meets microprocessor (U ₁) the WR pin, D00-D07 pin and microprocessor (U ₁) eight data lines link to each other, the D08-D15 pin is unsettled, A01-A02 pin and microprocessor (U ₁) three address wires link to each other, other address wire ground connection, CE ₂, IORD, IOWR, REC pin connect high level, CSEL, RESET pin ground connection, other joint is unsettled, CE pin and programmable logic device (PLD) (U ₆) output 14 pin link to each other.

4, the interior data of instrument according to claim 1 backup to the device of CF electric board, it is characterized in that: described CF electric board socket (J ₁) be fixed on the mainboard of gauge internal.

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