st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 165

• Manufacturer Part Number: st10f269z1
• Description: St10f269 16-bit Mcu With Mac Unit, 256k Byte Flash Memory And 12k Byte Ram
• Manufacturer: STMicroelectronics

ST10F269
Figure 76 : External Memory Cycle: Demultiplexed Bus, With / Without Read / Write Delay, Extended
ALE
Data Bus (P0)
(D15-D8) D7-D0
Data Bus (P0)
(D15-D8) D7-D0
A23-A16
A15-A0 (P1)
BHE
CLKOUT
ALE
CSx
Read Cycle
RD
Write Cycle
WR
WRL
WRH
t
t
6
5
t
6
t
38
t
t
81
81
t
t
80
80
t
17
t
17
Address
t
39
t
16
t
15
t
t
13
13
t
14
t
12
t
12
Data Out
t
22
Data In
t
24
t
18
t
t
26
41
t
t
t
28
21
28
t
20
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