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Zilog Z80180 User Manual

Page 61

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Z8018x

Family MPU User Manual

46

UM005003-0703

DMA

DMA Source Address Register Ch 0L

SAR0L

XX100000

20H

93

DMA Source Address Register Ch 0H

SAR0H

XX100001

21H

93

DMA Source Address Register Ch 0B

SAR0B

XX100010

22H

93

DMA Destination Address Register Ch
0L

DAR0L

XX100011

23H

94

DMA Destination Address Register Ch
0H

DAR0H

XX100100

24H

94

DMA Destination Address Register Ch
0B

DAR0B

XX100101

25H

94

DMA Byte Count Register Ch 0L

BCR0L

XX100110

26H

94

DMA Byte Count Register Ch 0H

BCR0H

XX100111

27H

94

DMA Memory Address Register Ch 1L MAR1L

XX101000

28H

94

DMA Memory Address Register Ch 1H MAR1H

XX101001

29H

94

DMA Memory Address Register Ch 1B MAR1B

XX101010

2AH

94

DMA I/0 Address Register Ch 1L

IAR1L

XX101011

2BH

102

DMA I/0 Address Register Ch 1H

IAR1H

XX101100

2CH

102

Reserved

XX101101

2DH

DMA Byte Count Register Ch 1L

BCR1L

XX101110

2EH

94

DMA Byte Count Register Ch 1H

BCR1H

XX101111

2FH

94

DMA Status Register

DSTAT

XX110000

30H

95

DMA Mode Register

DMODE

XX110001

31H

97

DMA/WAIT Control Register

DCNTL

XX110010

32H

101

Table 6.

I/O Address Map for Z80180-Class Processors Only (Continued)

Register

Mnemonic

Address

Binary

Hex

Page

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