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参数资料
| 型号： | SFCA8192H1BR4TO-I-DT-236-STD |
| 厂商： | Swissbit NA Inc |
| 文件页数： | 34/51页 |
| 文件大小： | 0K |
| 描述： | FLASH CFAST UDMA/MDMA/PIO 8GB |
| 标准包装： | 20 |
| 系列： | F-100 |
| 存储容量： | 8GB |
| 存储器类型： | 存储卡 - CFast? |
| 其它名称： | 1052-1080 |
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6.28 Translate Sector (87h)
This command is effectively a NOP command and only implemented for backward compatibility. The Sector
Count Register will always be returned with a ‘00h’ indicating Translate Sector is not needed.
Table 52: Translate Sector
Task File Register
7
6
5
4
3
2
1
0
COMMAND
87h
DRIVE/HEAD
1
LBA
1
D
Head (LBA 27-24)
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
Cylinder High (LBA23-16)
Cylinder Low (LBA15-8)
nu (LBA7-0)
nu
nu
6.29 Write Buffer (E8h)
The Write Buffer command enables the host to overwrite contents of the Drive ’s sector buffer with any data
pattern desired. This command has the same protocol as the Write Sector(s) command and transfers 512 Bytes.
Table 53: Write Buffer
Task File Register
7
6
5
4
3
2
1
0
COMMAND
E8h
DRIVE/HEAD
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
D
nu
nu
nu
nu
nu
nu
6.30 Write DMA (CAh)
This command uses DMA mode to write from 1 to 256 sectors as specified in the Sector Count register. A sector
count of 0 requests 256 sectors. The transfer begins at the sector specified in the Sector Number Register. When
this command is issued the Drive sets BSY, puts all or part of the sector of data in the buffer. The Drive is then
permitted, although not required, to set DRQ, clear BSY. The Drive asserts DMAREQ while data is available to be
transferred. The host then writes the (512 * sector-count) bytes of data to the Drive using DMA. While DMAREQ is
asserted by the Drive, the Host asserts -DMACK while it is ready to transfer data by DMA and asserts -IOWR once
for each 16 bit word to be transferred from the Host.
Interrupts are not generated on every sector, but upon completion of the transfer of the entire number of
sectors to be transferred or upon the occurrence of an unrecoverable error. At command completion, the
Command Block Registers contain the cylinder, head and sector number of the last sector written. If an error
occurs, the write terminates at the sector where the error occurred. The Command Block Registers contain the
cylinder, head, and sector number of the sector where the error occurred. The amount of data transferred is
indeterminate.
When a Write DMA command is received by the Drive and 8 bit transfer mode has been enabled
by the Set Features command, the Drive shall return the Aborted error.
Table 54: Write DMA
Task File Register
7
6
5
4
3
2
1
0
COMMAND
CAh
DRIVE/HEAD
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
LBA
D
Cylinder High (LBA23-16)
Cylinder Low (LBA15-8)
Sector number (LBA7-0)
Sector Count
nu
Head (LBA 27-24)
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.41
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
F-100_data_sheet_CA-HxBR_Rev141.doc
Page 34 of 51
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