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参数资料
| 型号： | SFCA16GBH2BV4TO-I-QT-216-STD |
| 厂商： | Swissbit NA Inc |
| 文件页数： | 26/56页 |
| 文件大小： | 0K |
| 描述： | FLASH CFAST UDMA/MDMA/PIO 16GB |
| 标准包装： | 20 |
| 系列： | F-240 |
| 存储容量： | 16GB |
| 存储器类型： | 存储卡 - CFast? |
| 其它名称： | 1052-1099 |
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Table 26: NOP
Task File Register
7
6
5
4
3
2
1
0
COMMAND
00h
DRIVE/HEAD
nu
nu
nu
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
nu
nu
nu
nu
6.12 Read Buffer (E4h)
The Read Buffer command enables the host to read the current contents of the Drive ’s sector buffer. This
command has the same protocol as the Read Sector(s) command. Table 27 defines the Read Buffer command
Byte sequence.
Table 27: Read buffer
Task File Register
7
6
5
4
3
2
1
0
COMMAND
E4h
DRIVE/HEAD
nu
nu
nu
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
nu
nu
nu
nu
6.13 Read DMA (C8h)
This command uses DMA mode to read 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 Drive asserts DMAREQ while data is available to be transferred. The host then reads the (512 *
sector-count) bytes of data from 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 -IORD once for each 16 bit word to be transferred to
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 read. 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 amount of
data transferred is indeterminate.
Table 28: Read DMA
Task File Register
7
6
5
4
3
2
1
0
COMMAND
C8h
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)
6.14 Read DMA Ext (25h) 48bit LBA
This command uses DMA mode to read 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.
When this command is issued the CompactFlash TM Storage Card sets BSY, puts all or part of the sector of data in
the buffer. The Card is then permitted, although not required, to set DRQ, clear BSY. The Card asserts DMARQ
while data is available to be transferred. The Card asserts DMARQ while data is available to be transferred. The
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 0.92
CH-9552 Bronschhofen
Switzerland
F-240_data_sheet_CA-HxBV_Rev092.doc
Page 26 of 56
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| SFCA16GBH2BV4TO-I-QT-226-STD | 功能描述:Memory Card CFast 16GB SLC 制造商:swissbit na inc. 系列:F-240 零件状态:有效 存储器类型:CFast 存储容量:16GB 速度:- 技术:SLC 工作温度:-40°C ~ 85°C 标准包装:75 |
| SFCA2048H1BV4TO-C-MS-216-STD | 制造商:SWISSBIT NA INC 功能描述:FLASH |
| SFCA2048H1BV4TO-I-MS-216-STD | 功能描述:FLASH CFAST UDMA/MDMA/PIO 2GB RoHS:是 类别:存储卡，模块 >> 存储器，PC 卡 系列:F-240 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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| SFCA240GH1AA2TO-I-OC-216-STD | 功能描述:Memory Card CFast 240GB MLC 制造商:swissbit na inc. 系列:F-60 零件状态:有效 存储器类型:CFast 存储容量:240GB 速度:- 技术:MLC 工作温度:-40°C ~ 85°C 标准包装:75 |
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