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参数资料
| 型号： | SST55LC100-45-I-BWE |
| 元件分类： | 存储控制器/管理单元 |
| 英文描述： | FLASH MEMORY DRIVE CONTROLLER, PBGA84 |
| 封装： | ROHS COMPLIANT, MO-210, TFBGA-84 |
| 文件页数： | 53/80页 |
| 文件大小： | 758K |
| 代理商： | SST55LC100-45-I-BWE |
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Advance Information
CompactFlash Card Controller
SST55LC100
2005 Silicon Storage Technology, Inc.
S71298-00-000
10/05
57
9.2.6.56 Write-Multiple - C5H
Note: The current revision of the CompactFlash card controller can support up to a block count of 1 as indicated in the Identify-Drive
Command information.
This command is similar to the Write-Sectors command. The CompactFlash card controller sets BSY
within 400 ns of accepting the command. Interrupts are not presented on each sector but on the
transfer of a block which contains the number of sectors defined by Set Multiple. Command execution is
identical to the Write-Sectors operation except that the number of sectors defined by the 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 must be executed prior to the Write-Multiple command.
When the Write-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 sector/block, 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 = remainder (sector count/block).
If the Write-Multiple command is attempted before the Set-Multiple-Mode command has been executed
or when Write-Multiple commands are disabled, the Write-Multiple operation will be rejected with an
aborted command error.
Errors encountered during Write-Multiple commands are posted after the attempted writes of the block
or partial block transferred. The Write command ends with the sector in error, even if it is in the middle
of a block. Subsequent blocks are not transferred in the event of an error. Interrupts are generated
when DRQ is set at the beginning of each block or partial block.
The Command Block registers contain the cylinder, head and sector number of the sector where the
error occurred and the Sector Count register contains the residual number of sectors that need to be
transferred for successful completion of the command e.g. each block has 4 sectors, a request for 8
sectors is issued and an error occurs on the third sector. The Sector Count register contains 6 and the
address is that of the third sector.
Bit ->
76543210
Command (7)
C5H
C/D/H (6)
1LBA
1
Drive
Head
Cyl High (5)
Cylinder High
Cyl Low (4)
Cylinder Low
Sec Num (3)
Sector Number
Sec Cnt (2)
Sector Count
Feature (1)
X
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SST55LC100-45-I-TQWE | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:CompactFlash Card Controller |
| SST55LC100M | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:CompactFlash Card Controller |
| SST55LC100M-45-C-BWE | 功能描述:总线收发器 Compact Flash 45MHz 3.3V Commercial RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SST55LC100M-45-C-TQWE | 功能描述:总线收发器 Compact Flash 45MHz 3.3V Commercial RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SST55LC100M-45-I-BWE | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:CompactFlash Card Controller |
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