Z80181 Zilog., Z80181 Datasheet - Page 26

• Manufacturer Part Number: Z80181
• Description: SMART ACCESS CONTROLLER (SAC)
• Manufacturer: Zilog.

Zilog
DMA REGISTERS (Continued)
2-26
Figure 32. DMA 1 Memory Address Registers
Figure 31. DMA 0 Byte Counter Registers
BCR0L
Read/Write
BC7
BCR0H
Read/Write
BC15
MAR1L
Read/Write
MA7
MAR1H
Read/Write
MA15
MAR1B
Read/Write
-
-
-
-
MA19
Addr 2Ah
Addr 26h
Addr 27h
Addr 28h
Addr 29h
MA16
MA0
MA8
BC0
BC8
Figure 33. DMA 1 I/O Address Registers
Figure 34. DMA 1 Byte Count Registers
IAR1L
Read/Write
IA7
IAR1H
Read/Write
IA15
BCR1L
Read/Write
BC7
BCR1H
Read/Write
BC15
S
MART
Addr 2Bh
Addr 2Ch
Addr 2Eh
Addr 2Fh
A
CCESS
BC0
BC8
IA0
IA8
C
DS971800500
ONTROLLER
Z80181
SAC
™