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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)