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| C167SR Datasheet, PDF (61/66 Pages) Siemens Semiconductor Group – 16-Bit CMOS Single-Chip Microcontroller | |||
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C167SR
ALE
CSx
A23-A16
A15-A0
BHE
Read Cycle
BUS
(D15-D8)
D7-D0
RD
RdCSx
Write Cycle
BUS
(D15-D8)
D7-D0
WR,
WRL, WRH
WrCSx
t5
t38
t6
t16
t26
t39
t41
t17
Address
t28
t55
t21
t18
Data In
t9
t15
t13
t51
t43
t47
t68
t49
t24
Data Out
t57
t9
t22
t13
t43
t50
t49
Figure 15-4
External Memory Cycle: Demultiplexed Bus, No Read/Write Delay, Extended ALE
Semiconductor Group
58
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