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| SAB80C166W Datasheet, PDF (61/67 Pages) Siemens Semiconductor Group – C16x-Family of High-Performance CMOS 16-Bit Microcontrollers | |||
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SAB 80C166W/83C166W
ALE
A17-A16
A15-A0
BHE
Read Cycle
BUS
(D15-D8)
D7-D0
RD
t5
t16
t26
t17
t6
t9
t28
Address
t21
t18
Data In
t15
t13
Write Cycle
BUS
(D15-D8)
D7-D0
WR
t24
Data Out
t9
t22
t13
Figure 13-3
External Memory Cycle: Demultiplexed Bus, No Read/Write Delay, Normal ALE
Semiconductor Group
61
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