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Z8018010VSC Datasheet(PDF) 66 Page - Zilog, Inc.

Part # Z8018010VSC
Description  Microprocessor Unit
PDF  85 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z8018010VSC Datasheet(HTML) 66 Page - Zilog, Inc.

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Z80180
Microprocessor Unit
60
PS014004-1106
Architecture
DMA Memory Address Register, Channel 1H
Mnemonic MAR1H: Address 29h
Figure 59. DMA Memory Address Register, Channel 1H
DMA Memory Address Register, Channel 1B
Mnemonic MAR1B (Address 2A)
Figure 60. DMA Memory Address Register, Channel 1B
DMA I/O Address Register Channel 1
(IAR1: I/O ADDRESS = 2Bh to 2Dh) specifies the I/O address for channel 1 transfers, which
may also be a destination or source I/O address. The
register contains 16 bits of I/O address; its most significant byte identifies the REQUEST
HANDSHAKE
signal and controls the Alternating Channel feature.
All bits in IAR1B reset to 0.
DMA Memory Address Register, Channel 1H
DMA
DMA Memory Address
—
—
——
—
——
—
7
6
54
32
1
—
0
DMA Memory Channel B Address
—
——
3
2
1
0
—



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