3 single word dma write timing – Toshiba MK6017MAP User Manual
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10.4.3 Single Word DMA Write Timing
ATA-2 SPECIFICATIONS
Transfer mode
MODE 0
MODE 1
MODE 2
Symbol
Meaning
Min. Max.
Min. Max. Min. Max.
t0
Cycle time
960
480
240
t
C
DMACK to DMARQ delay
200
100
80
t
D
-DOW
16-bit
480 240 120
t
G
-DOW data setup
250
100
35
t
H
-DOW data hold
50
30
20
t
I
DMACK to -DOW setup
0
0
0
t
J
-DOW to DMACK hold
0
0
0
t
C
-DMACK
t
G
t
H
t
J
t
I
DMARQ
-DIOW
DD15
∼
DD0
t
O
t
D