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參數(shù)資料
| 型號： | HB288064A6 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | FLASH ATA Card |
| 中文描述： | 阿拉木圖閃存卡 |
| 文件頁數(shù)： | 38/66頁 |
| 文件大?。?/td> | 170K |
| 代理商： | HB288064A6 |
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HB288800/640/448/320/256/192/160/128/096/064/032A5
38
9. Status register:
This register is read only register, and it indicates the card status of command execution.
When this register is read in configured I/O card mode (INDEX = 1, 2, 3) and level interrupt mode, -IREQ is
negated. This register should be accessed in byte mode. In word mode, it is recommended that Alternate
status register may be used as this register.
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
BSY
DRDY
DWF
DSC
DRQ
CORR
IDX
ERR
bit
Name
Function
7
BSY (BuSY)
This bit is set when the card internal operation is executing. When
this bit is set to "1", other bits in this register are invalid.
6
DRDY (Drive ReaDY)
If this bit and DSC bit are set to "1", the card is capable of receiving
the read or write or seek requests. If this bit is set to "0", the card
prohibits these requests.
5
DWF (Drive Write Fault)
This bit is set if this card indicates the write fault status.
4
DSC (Drive Seek Complete)
This bit is set when the drive seek complete.
3
DRQ (Data ReQuest)
This bit is set when the information can be transferred between the
host and Data register. This bit is cleared when the card receives
the other command.
2
CORR (CORRected data)
This bit is set when a correctable data error has been occurred and
the data has been corrected.
1
IDX (InDeX)
This bit is always set to "0".
0
ERR (ERRor)
This bit is set when the previous command has ended in some type
of error. The error information is set in the other Status register or
Error register. This bit is cleared by the next command.
10. Alternate status register:
This register is the same as Status register in physically, so the bit assignment
refers to previous item of Status register. But this register is different from Status register that -IREQ is not
negated when data read.
11. Command register:
This register is write only register, and it is used for writing the command at
executing the drive operation. The command code written in the command register, after the parameter is
written in the Task File during the card is Ready state.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HB288064C5 | CompactFlash⑩ |
| HB288064C6 | CompactFlash⑩ |
| HB288096A5 | FLASH ATA Card |
| HB288096A6 | FLASH ATA Card |
| HB288128A5 | FLASH ATA Card |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HB288064C5 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CompactFlash⑩ |
| HB288064C6 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CompactFlash⑩ |
| HB288064MM1 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:MultiMediaCard 64 MByte |
| HB288096A5 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:FLASH ATA Card |
| HB288096A6 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:FLASH ATA Card |
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