Multiword Dma Write Timing - Toshiba MK6017MAP Product Specification

10.4.5 Multiword DMA Write Timing

DMARQ
-DMACK
-DIOW
DD15 DD0
ATA/ATAPI-5 SPECIFICATIONS
Transfer mode
Symbol Meaning
t0 Cycle time
t DMACK to DMARQ delay
C
t -DIOW 16-bit
D
t -DIOW data setup
G
t -DIOW data hold
H
t DMACK to -DIOW setup
I
t -DIOW to DMACK hold
J
t -DIOW negated pulse width
K
t -DIOW to DMARQ delay
L
t
I
MODE 0
Min.
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t
O
t t
D K
t t
G H
MODE 1
Max. Min.
480 150
---
215 80
100 30
20 15
0 0
20 5
215 50
40
t
L
t
J
MODE 2
Max. Min. Max.
120
--- ---
70
20
10
0
5
25
40 35
360014937
-
537 -