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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.
CS0-/CS1-
t
M
DMARQ
tI
DMACK-
tD
DIOR-/DIOW-
tE
Read
DD(15:0)
tG
tF
Write
DD(15:0)
t
G
t
H
Symbol Timing parameter Min. Max. Unit
t
D
Pulse width of DIOR-/DIOW- 70 — ns
t
E
Data Access time for DIOR- — 50 ns
t
F
Data hold time for DIOR- 5 — ns
t
G
Data setup time for DIOR-/DIOW- 20 — ns
t
H
Data hold time for DIOW- 10 — ns
t
I
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)
5-150 C141-E258