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| SAB80C166 Datasheet, PDF (44/52 Pages) Siemens Semiconductor Group – 16-Bit CMOS Single-Chip Microcontroller | |||
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SAB 80C166/83C166
ALE
A17-A16
A15-A0
BHE
Read Cycle
BUS
(D15-D8)
D7-D0
RD
t5
t16
t26
t17
t28
Address
t6
t20
t18
Data In
t8
t14
t12
Write Cycle
BUS
(D15-D8)
D7-D0
WR
t24
Data Out
t8
t22
t12
Figure 13-1
External Memory Cycle: Demultiplexed Bus, With Read/Write Delay, Normal ALE
Semiconductor Group
43
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