ST10F272M-4Q3 STMICROELECTRONICS [STMicroelectronics], ST10F272M-4Q3 Datasheet - Page 155

• Manufacturer Part Number: ST10F272M-4Q3
• Description: 16-bit MCU with 256 Kbyte Flash memory and 20 Kbyte RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST10F272M
Figure 52. External memory cycle: Multiplexed bus, with/without r/w delay, normal ALE, r/w CS
CLKOUT
ALE
A23-A16
(A15-A8)
BHE
Read Cycle
RdCSx
Write Cycle
WrCSx
Address/Data
Bus (P0)
Address/Data
Bus (P0)
t
t
5
t
6
6
Address
Address
t
t
43
43
t
t
42
42
t
7
t
17
t
45
t
t
16
16
t
47
t
Address
44
t
49
t
49
t
46
t
t
48
48
t
50
Data Out
Data In
t
51
t
t
27
t
55
t
52
25
Electrical characteristics
Address
155/176