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Copyright © 2000 Toshiba corporation. All rights reserved.
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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