HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 450

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

Register
DMAC (Channel 0)
Current Descriptor
Address Register Channel
0: CDAL Channel 0
Current Descriptor
Address Register Channel
0: CDAH Channel 0
Error Descriptor Address
Register Channel 0: EDAL
Channel 0
Error Descriptor Address
Register Channel 0: EDAH
Channel 0
Receive Buffer Length
Register Channel 0: BFLL
Channel 0
Receive Buffer Length
Register Channel 0: BFLH
Channel 0
Rev. 0, 07/98, page 434 of 453
CPU
Mode
0, 1
88H
89H
8AH
8BH
8CH
8DH
Address
CPU
Mode
2, 3
89H
88H
8BH
8AH
8DH
8CH
Remarks
Chained-
block trans-
fer mode
Single-block transfer
mode
Chained-block
transfer mode
Single-block transfer
mode
Chained-block
transfer mode
Single-block transfer
mode
Memory to
MSCI
MSCI to
memory
15
15
15
Not used
Not used
Not used
Not used
CDAH
EDAH
BFLH
H
H
H
8 7
8 7
8 7
Not used
Not used
Not used
Not used
CDAL
EDAL
BFLL
L
L
L
0
0
0