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15.9 DMAC Timing Charts
15.9.1 Timing Charts of the Descriptor Access Block

This section shows timing charts of the descriptor access block.

■Descriptor Access Block

❍Required pin input mode: level, descriptor address: external

❍Required pin input mode: level, descriptor address: internal

(A)
CLK
DREQn
RDXD
WRnX
DACK
EOP
#2H
#2H
S
S
#1H
#1L#1H
#1L#0L#0H
#0L#0H #2L
#2L
Addr pin
Data pin
(A)
Interanl KB
CLK
DREQn
Addr pin
Data pin
RDXD
WRnX
S
S
DACK
EOP