TS16G~64GCF400 |
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| 400X CompactFlash Card |
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| Table: PC Card I/O Mode UDMA Function |
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| STROBE |
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| DMACK | STOP | Operation |
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(W)(W)
1 | 1 | 1 | X | X | X | X | No | XX | Standby | |
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X | X | 0 | 0 | X | X | 1 | YES | XX | Device UDMA Transfer Request | |
(Assert DMARQ) | ||||||||||
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X | X | 0 | 0 | 1 | X | 1 | YES | XX | Host Acknowledge Preparation | |
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1 | 1 | 0 | 0 | 1 | 1 | 1 | YES | Static | Host Acknowledge Preparation | |
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1 | 1 | 0 | 1 | 1 | 1 | 1 | YES | Static | DMA Acknowledge (Stopped) | |
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1 | 1 | 0 | 1 | 0 | 0 | 1 | YES | Static | Burst Initiation / Active | |
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1 | 1 | 0 | 1 | 0 | X | / or \ | YES | Static | Burst Transfer | |
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1 | 1 | 0 | 1 | 0 | 1 | 0 or 1 | RD | Static | Data In Burst Host Pause | |
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1 | 1 | 0 | 1 | 0 | 0 | 0 or 1 | RD | Static | Data In Burst Device Pause | |
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1 | 1 | 0 | 1 | 0 | 1 | 0 or 1 | WR | Static | Data Out Burst Device Pause | |
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1 | 1 | 0 | 1 | 0 | 0 | 0 or 1 | WR | Static | Data Out Burst Host Pause | |
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1 | 1 | 1 | 1 | 0 | 0 | 0 or 1 | RD | Static | Device Initiating BurstTermination | |
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1 | 1 | 1 | 1 | 1 | 1 | 0 or 1 | RD | Static | Host Acknowledement of Device | |
Initiated Burst Termination | ||||||||||
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1 | 1 | 0 | 1 | 1 | 0 | 0 or 1 | YES | Static | Host Initiating BurstTermination | |
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1 | 1 | 1 | 1 | 1 | 1 | 0 or 1 | YES | Static | Device Acknowledging Host Initiated | |
Burst Termination | ||||||||||
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1 | 1 | 1 | 1 | 1 | 1 | / | YES | Static | Device Aligning STROBE to Asserted | |
before CRC Transfer | ||||||||||
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1 | 1 | 1 | \ | 1 | 1 | 1 | YES | Static | CRC Data Transfer for UDMA Burst | |
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1 | 1 | 1 | 0 | 1 | 1 | 1 | YES | Static | Burst Completed |
Transcend Information Inc. | 46 |
V1.0