ST10F271 Datasheet, PDF (156/173 Pages) STMicroelectronics – 16-bit MCU with 128 Kbyte Flash memory and 12 Kbyte RAM

Electrical characteristics
ST10F271
Figure 53. External memory cycle: Multiplexed bus, with/without r/w delay, extended ALE, r/w CS
CLKOUT
ALE
A23-A16
(A15-A8)
BHE
Read cycle
Address/Data
Bus (P0)
RdCSx
Write cycle
Address/data
bus (P0)
WrCSx
t₅
t₁₆
t₆
t₁₇
Address
t₂₅
t₅₄
t₆
t₇
Address
t₄₂
t₄₃
t₄₄
t₄₅
t₄₆
t₄₈
t₄₇
t₄₉
Data in
t₁₈
t₁₉
Address
t₄₂
t₄₃
t₄₄
t₄₅
Data out
t₅₆
t₅₀
t₄₈
t₄₉
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