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| ST10F271Z1 Datasheet, PDF (164/185 Pages) STMicroelectronics – 16-bit MCU with 128 Kbyte Flash memory and 12 Kbyte RAM | |||
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Electrical characteristics
ST10F271Z1
Figure 53. External memory cycle: multiplexed bus, with/without read/write delay, normal ALE
ALE
CSx
A23-A16
(A15-A8)
BHE
t5
t16
t6
t38
t17
t39
t6
t17
Address
t25
t40
t27
t27
Read cycle
Address/data
bus (P0)
RD
Write cycle
Address/data
bus (P0)
WR
WRL
WRH
t16
t6
t7
Address
t1
Data in
t8
t10
t19
t14
t12
t13
t9
t1
t15
Address
t23
Data out
t8
t9
t22
t12
t13
Address
164/185
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