2 multiword data transfer – FUJITSU MHV2120AT User Manual
Page 226

Interface
5-150
C141-E218
5.6.2 Multiword data transfer
Figure 5.10 shows the multiword DMA data transfer timing between the device
and the host system.
DMACK-
t
D
DIOR-/DIOW-
t
I
Symbol Timing
parameter Min.
Max.
Unit
t0
Cycle time
120
—
ns
tD
Pulse width of DIOR-/DIOW-
70
—
ns
tE
Data Access time for DIOR-
—
50
ns
tF
Data hold time for DIOR-
5
—
ns
tG
Data setup time for DIOR-/DIOW-
20
—
ns
tH
Data hold time for DIOW-
10
—
ns
tI
DMACK setup time for DIOR-/DIOW-
0
—
ns
t
CS (1:0) Available time for DIOR-/DIOW-
25
—
ns
Figure 5.10 Multiword DMA data transfer timing (mode 2)