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参数资料
| 型号： | SFCF8192H2BU2TO-I-QT-517-STD |
| 厂商： | Swissbit NA Inc |
| 文件页数： | 85/102页 |
| 文件大小： | 0K |
| 描述： | FLASH SLC UDMA/MDMA/PIO 8GB |
| 标准包装： | 1 |
| 系列： | C-440 |
| 存储容量： | 8GB |
| 存储器类型： | CompactFlash? |
| 其它名称： | 1052-1092 |
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Table 105: Write Multiple Ext
register write
previous
current
Task File Register
15:8
7
6
5
4
3
2
1
0
COMMAND
-
39h
DRIVE/HEAD
-
1
1
1
Drive
Reserved
LBA High
LBA Mid
LBA Low
SECTOR COUNT
FEATURES
LBA (47:40)
LBA (39:32)
LBA (31:24)
15:8
nu
LBA (23:16)
LBA (15:8)
LBA (7:0)
7:0
nu
10.43 Write Multiple without Erase (CDh)
This command is similar to the Write Multiple command with the exception that an implied erase before write
operation is not performed. The sectors should be pre-erased with the Erase Sector(s) command before this
command is issued. Table 106 defines the Write Multiple without Erase command Byte sequence.
Table 106: Write Multiple without Erase
Task File Register
7
6
5
4
3
2
1
0
COMMAND
CDh
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)
Sector number (LBA7:0)
Sector Count
nu
10.44 Write Sector(s) (30h or 31h)
This command writes from 1 to 256 sectors as specified in the Sector Count Register. A sector count of zero requests
256 sectors. The transfer begins at the sector specified in the Sector Number Register. When this command is
accepted, the Card sets BSY, sets DRQ and clears BSY, then waits for the host to fill the sector buffer with the data
to be written. No interrupt is generated to start the first host transfer operation. No data should be transferred by
the host until BSY has been cleared by the host.
For multiple sectors, after the first sector of data is in the buffer, BSY will be set and DRQ will be cleared. After the
next buffer is ready for data, BSY is cleared, DRQ is set and an interrupt is generated. When the final sector of
data is transferred, BSY is set and DRQ is cleared. It will remain in this state until the command is completed at
which time BSY is cleared and an interrupt is generated. If an error occurs during a write of more than one sector,
writing 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 host may then read the command block to
determine what error has occurred, and on which sector. Table 107 defines the Write Sector(s) command Byte
sequence.
Table 107: Write Sector(s)
Task File Register
7
6
5
4
3
2
1
0
COMMAND
30h or 31h
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)
Sector number (LBA7:0)
Sector Count
nu
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.00
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
C-440_data_sheet_CF-HxBU_Rev100.doc
Page 85 of 102
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