FUJITSU MB91F109 FR30 - Manual (Page 371)

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15.9 DMAC Timing Charts
15.9.3 Transfer Stop Timing Charts in Continuous Transfer Mode
This section shows transfer stop timing charts in continuous transfer mode.
■ Transfer Stop in Continuous Transfer Mode (When Either Address is Unchanged) for 16-Bit or 8-Bit
Data
❍ Transfer source area: external, transfer destination area: external
❍ Transfer source area: external, transfer destination area: internal RAM
❍ Transfer source area: internal RAM, transfer destination area: external
CLK
DREQn
Addr pin
Data pin
RDXD
WRnX
DACK
EOP
W
D
D
S
S
W
#1/2L
#1/2L
#1/2H
#1/2H
W
D
D
W W
#0H
#0H
CLK
DREQn
Addr pin
Data pin
RDXD
WRnX
DACK
EOP
S
S
W
#0H
#0H S
S
W
#1/2L #1/2H
#1/2L #1/2H
W
CLK
DREQn
Addr pin
Data pin
RDXD
WRnX
DACK
EOP
W
D
D D D
D D
W W W
#0H
#0H
W
#1/2L #1/2H
#1/2L #1/2H
W