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参数资料
| 型号： | SFCF8192H2BU2TO-I-QT-517-STD |
| 厂商： | Swissbit NA Inc |
| 文件页数： | 73/102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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Count register. A sector count of 0 requests 256 sectors. The transfer begins at the sector specified in the Sector
Number Register.
If an error occurs, the read 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 flawed data are
pending in the sector buffer.
Subsequent blocks or partial blocks are transferred only if the error was a correctable data error. All other errors
cause the command to stop after transfer of the block which contained the error.
Table 72: Read Multiple
Task File Register
7
6
5
4
3
2
1
0
COMMAND
C4h
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
10.17 Read Multiple Ext (29h) 48bit LBA
The Read Multiple Ext command performs similarly to the Read Sectors Ext command. Interrupts are not generated
on every sector, but on the transfer of a block, which contains the number of sectors defined by a Set Multiple
command.
Command execution is identical to the Read Sectors Ext operation except that the number of sectors defined by a
Set Multiple command is transferred without intervening interrupts. DRQ qualification of the transfer is required
only at the start of the data block, not on each sector.
The block count of sectors to be transferred without intervening interrupts is programmed by the Set Multiple
Mode command, which shall be executed prior to the Read Multiple command. When the Read Multiple
command is issued, the Sector Count Register contains the number of sectors (not the number of blocks or the
block count) requested. If the number of requested sectors is not evenly divisible by the block count, as many full
blocks as possible are transferred, followed by a final, partial block transfer. The partial block transfer is for n
sectors, where n = (sector count) modulo (block count).
If the Read Multiple Ext command is attempted before the Set Multiple Mode command has been executed, or
when Read Multiple Ext command is disabled, the Read Multiple Ext operation is rejected with an Aborted
Command error. Disk errors encountered during a Read Multiple Ext command are posted at the beginning of the
block or partial block transfer, but DRQ is still set and the data transfer shall take place as it normally would,
including transfer of corrupted data, if any.
Interrupts are generated when DRQ is set at the beginning of each block or partial block. The error reporting is the
same as that on a Read Sector(s) Command. This command reads from 1 to 65536 sectors as specified in the Sector
Count Register. A sector count of 0 requests 65536 sectors. The transfer begins at the sector specified in the Sector
Number Register.
At command completion, the Command Block Registers contain the LBA of the last sector read.
If an error occurs, the read terminates at the sector where the error occurred. The Command Block Registers
contain the LBA of the sector where the error occurred. The flawed data is pending in the sector buffer.
Subsequent blocks or partial blocks are transferred only if the error was a correctable data error. All other errors
cause the command to stop after transfer of the block that contained the error.
Table 73: Read Multiple Ext
register write
previous
current
Task File Register
15:8
7
6
5
4
3
2
1
0
COMMAND
-
29h
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
Note: This specification requires that CompactFlash TM Cards support a multiple block count of 1 and permits larger
values to be supported.
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 73 of 102
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SFCF8192H2BU2TO-I-QT-527-STD | 制造商:SWISSBIT NA INC 功能描述:FLASH |
| SFCF8192H4BK4SA-C-QT-553 | 制造商:Swissbit 功能描述: |
| SFCF8192H4BK4SA-C-QT-553-SMA | 制造商:SWISSBIT NA INC 功能描述:FLASH |
| SFCF8192H4BK4SA-I-QT-553 | 制造商:Swissbit 功能描述: |
| SFCF8192H4BK4SA-I-QT-553-SMA | 功能描述:FLASH SLC UDMA/MDMA/PIO 8G RoHS:是 类别:存储卡，模块 >> 存储器，PC 卡 系列:C-300 标准包装:30 系列:- 存储容量:8GB 存储器类型:存储卡 - Extreme III SD? |
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