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Z80 Datasheet(PDF) 161 Page - Zilog, Inc.

Part # Z80
Description  Z80 CPU PERIPHERALS
PDF  330 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z80 Datasheet(HTML) 161 Page - Zilog, Inc.

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UM008101-0601
Direct Memory Access

Figure 55.
DMA-SIO Environment
Using The Z80 DMA With Other Processors
The Z80 DMA offers great versatility and is a powerful alternative for
board designers. Because the DMA is designed as a member of the Z80
Family, it requires certain signals and bus characteristics, such as those of
+5V
+5V
SIO
RxCA
W/RDYA
W/RDYB
RxCB
TxCA
TxCB
CPU
DMA
DMA
INT
INT
INT
IEI
RDY
IEO
IEI
RDY
System
Buses
Common: A16–A0
D7–D0
CLK
INT
BUSREQ
M1
IORQ
MREQ
RD
WR
IEI
ZC/TO1
ZC/TO2
IEO
CTC
INT



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