2 multiword data transfer – FUJITSU MHR2030AT User Manual
Page 202

Interface
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C141-E145-02EN
5.6.2 Multiword data transfer
Figure 5.10 shows the multiword DMA data transfer timing between the device
and the host system.
Symbol
Timing parameter
Min.
Max.
Unit
t0
Cycle time
120
—
ns
tD
Pulse width of DIOR-/DIOW-
70
—
ns
tE
Data setup time for DIOR-
—
50
ns
tF
Data hold time for DIOR-
5
—
ns
tG
Data setup time for DIOW-
20
—
ns
tH
Data hold time for DIOW-
10
—
ns
tI
DMACK setup time for DIOR-/DIOW-
0
—
ns
tJ
DMACK hold time for DIOR-/DIOW-
5
—
ns
tK
Continuous time of high level for DIOR-/DIOW-
25
—
ns
Figure 5.10 Multiword DMA data transfer timing (mode 2)