Z8018010PSC View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z8018010PSC

ENHANCED Z180 MICROPROCESSOR

Zilog 

Zilog

Z80180/Z8S180/Z8L180

Enhanced Z180 Microprocessor

DMA MEMORY ADDRESS REGISTER CHANNEL 1

(MAR1: I/O Address = 28H to 2AH) specifies the physical memory address for channel 1 transfers. This may be destina-

tion or source memory address. The register contains 20 bits and may specify up to 1024 KB memory address.

1

DMA Memory Address Register, Channel 1L DMA Memory Address Register, Channel 1B

Mnemonic MAR1L

Mnemonic MAR1B

Address 28

Address 2A

Figure 65. DMA Memory Address Register,

Channel 1L

DMA Memory Address Register, Channel 1H.

Mnemonic MAR1H

Address 29

Figure 67. DMA Memory Address Register,

Channel 1B

Figure 66. DMA Memory Address Register,

Channel 1H

DS971800401

PRELIMINARY

1-53

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