st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 164

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

Figure 75 : External Memory Cycle: Demultiplexed Bus, With / Without Read / Write Delay, Normal ALE
Note: 1. Un-latched CSx = t
164/184
Data Bus (P0)
(D15-D8) D7-D0
(D15-D8) D7-D0
CLKOUT
ALE
CSx
A23-A16
A15-A0 (P1)
BHE
Read Cycle
Data Bus (P0)
RD
Write Cycle
WR
WRL
WRH
41u
= t
41
TCL =10.5 + t
t
5
t
6
t
t
81
81
t
6
t
t
t
38
80
80
F
.
t
t
17
17
Address
t
t
16
39
t
13
t
15
t
t
14
13
t
t
12
12
Data Out
t
22
Data In
t
24
t
t
t
t
18
41
41u
26
t
21
t
28
t
1)
20
(or
t
28h
)
ST10F269