C167CR Datasheet, PDF (55/67 Pages) Siemens Semiconductor Group – 16-Bit CMOS Single-Chip Microcontroller

C167CR
ALE
CSx
A23-A16
(A15-A8)
BHE
Read Cycle
BUS
RD
RdCSx
Write Cycle
BUS
WR,
WRL, WRH
WrCSx
t₅
t₁₆
t₃₈
t₃₉
t₂₅
t₄₀
t₁₇
Address
t₆
t₇
Address
t₉
t₁₁
t₁₅
t₄₃
t₄₅
t₁₃
t₄₇
t₄₉
t₂₇
t₅₄
t₁₉
t₁₈
Data In
t₅₁
t₅₂
Address
t₉
t₁₁
t₂₃
Data Out
t₅₆
t₂₂
t₄₃
t₄₅
t₁₃
t₅₀
t₄₉
Figure 14-3
External Memory Cycle: Multiplexed Bus, No Read/Write Delay, Normal ALE
Semiconductor Group
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