Multiword Data Transfer; Figure 5.10 Multiword Dma Data Transfer Timing (Mode 2) - Fujitsu MHV2060AT Product Manual

Interface

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)

5-150
Timing parameter
DMACK-
t
I
DIOR-/DIOW-
t
D
Min. Max.
120 —
70 —
— 50
5 —
20 —
10 —
0 —
25 —
Unit
ns
ns
ns
ns
ns
ns
ns
ns
C141-E218