st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 156

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

Figure 71 : External Memory Cycle: Multiplexed Bus, With / Without Read / Write Delay, Normal ALE
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Read Cycle
Address/Data
Bus (P0)
Address/Data
Bus (P0)
CLKOUT
ALE
CSx
A23-A16
(A15-A8)
BHE
RD
Write Cycle
WR
WRL
WRH
t
6
t
t
t
5
6m
6
Address
Address
t
t
9
9
t
38
t
t
t
8
t
17
17
8
t
7
t
t
t
t
11
16
39
16
t
Address
15
t
t
10
13
t
13
t
14
t
t
12
12
t
22
Data Out
Data In
t
18
t
t
27
19
t
t
t
27
25
23
t
40
Address
ST10F269