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10.4.6 Multiword DMA Read Timing
DMARQ
tOtL
tI |
| tD |
| tK | tJ | |
|
|
|
|
|
|
|
tZ
tE
DD15∼ DD0
tF
ATA/ATAPI-5 SPECIFICATIONS
| Transfer mode | MODE 0 |
| MODE 1 | MODE 2 |
Symbol | Meaning | Min. | Max. | Min. Max. | Min. Max. |
t0 | Cycle time | 480 |
| 150 | 120 |
tC | DMACK to DMARQ delay |
| |||
tD | 215 |
| 80 | 70 | |
tE |
| 150 | 60 | 50 | |
tF | 5 |
| 5 | 5 | |
tZ |
| 20 | 25 | 25 | |
tI | DMACK to | 0 |
| 0 | 0 |
tJ | 20 |
| 5 | 5 | |
tK | 50 |
| 50 | 25 | |
tL |
| 120 | 40 | 35 |
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