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| Z80 Datasheet, PDF (174/330 Pages) Zilog, Inc. – Z80 CPU PERIPHERALS | |||
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< %27 2GTKRJGTCNU
7UGT /CPWCN
CLK
A15âA0
READ
IORQ
RD
IORQ
WRITE
MREQ
WR
CE/WAIT
I/O Read
Memory Write
T1
T2
TW
T3
T1
T2
T3
I/O Drives
Memory
DMA Drives Data Bus
Figure 62. Sequential I/O-to-Memory Transfer, Standard Timing
(Searching is Optional)
UM008101-0601
Direct Memory Access
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