st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 159

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

ST10F269
Figure 74 : External Memory Cycle: Multiplexed Bus, With / Without Read / Write Delay, Extended ALE,
Read / Write Chip Select
Address/Data
Bus (P0)
CLKOUT
ALE
A23-A16
(A15-A8)
BHE
Read Cycle
RdCSx
Write Cycle
WrCSx
Address/Data
Bus (P0)
t
6
t
6
t
5
Address
Address
t
t
t
43
43
17
t
7
t
Address
42
t
42
t
16
t
t
45
45
t
47
t
t
t
49
44
t
44
49
t
46
t
t
48
48
t
50
Data Out
Data In
t
18
t
t
54
t
56
19
t
25
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