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CHAPTER 15 DMAC
■
Transfer Termination (When Both Addresses are Changed.)
❍
Bus width: 16 bits, data length: 8/16 bits
❍
Bus width: 16 bits, data length: 32 bits
CLK
Addr pin
Data pin
RDXD
WRnX
AKSE=1
DACK AKDE=1
EPSE=1
EOP EPDE=1
W
D
D
S
S
W
#2L
#2L
#1H
#1H
W
D
D
W W
#0H
#0HS
S
W
D
D
W
#1L
#1L
#2H
#2H
W
Both are 1
Both are 1
CLK
Addr pin
Data pin
RDXD
WRnX
AKSE=1
DACK
AKDE=1
EPSE=1
EOP
EPDE=1
CLK
Addr pin
Data pin
RDXD
WRnX
SLSH
SLSH
W
#1L
#1L
#1H
#1H
W
DH
DH
W W
#0H
#0H
DL
DL
W
SLSH
SLSH DH
DH
W
DL
DL
W
W
#2L
#2L
#2H
#2H
W
Both are 1
Both are 1