HD64570 Datasheet, PDF (459/469 Pages) Hitachi Semiconductor – Serial Communications Adaptor

Address
Register
CPU CPU
Mode Mode
0, 1 2, 3 Remarks
DMAC (Channel 2)
Destination Address
Register Channel 2: DARL
Channel 2 Buffer Address
Register Channel 2:
BARL Channel 2
C0H
C1H
B
H
L
23
16 15
87
0
Single-block transfer
mode
Chained-block
transfer mode
DARB
BARB
DARH
BARH
DARL
BARL
Destination Address
Register Channel 2: DARH
Channel 2 Buffer Address
Register Channel 2: BARH
Channel 2
C1H
C0H
Destination Address
Register Channel 2: DARB
Channel 2 Buffer Address
Register Channel 2: BARB
Channel 2
C2H
C3H
Not used
C3H C2H
Not used
Not used
C4H C5H
C5H C4H
B
H
L
23
16 15
87
0
Chain Pointer Base
C6H C7H
Channel 2: CPB Channel 2
Not used
C7H C6H
Single-block transfer
mode
Chained-block
transfer mode
Not used
CPB
Not used
Not used
Not used
Not used
Rev. 0, 07/98, page 443 of 453