Multiword Data Transfer - Fujitsu MHT2020AT Product Manual

Fujitsu computer drive user manual
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5.6.2 Multiword data transfer

Figure 5.10 shows the multiword DMA data transfer timing between the device
and the host system.
Symbol
t0
Cycle time
tD
Pulse width of DIOR-/DIOW-
tE
Data Access time for DIOR-
tF
Data hold time for DIOR-
tG
Data setup time for DIOR-/DIOW-
tH
Data hold time for DIOW-
tI
DMACK setup time for DIOR-/DIOW-
t
CS (1:0) Available time for DIOR-/DIOW-
Figure 5.10 Multiword DMA data transfer timing (mode 2)
C141-E192-01EN
Timing parameter
DMACK-
t
I
DIOR-/DIOW-
t
D
Min.
Max.
120
70
50
5
20
10
0
25
5.6 Timing
Unit
ns
ns
ns
ns
ns
ns
ns
ns
5-131

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