ST10F272M-4Q3 STMICROELECTRONICS [STMicroelectronics], ST10F272M-4Q3 Datasheet - Page 160

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

Electrical characteristics
Figure 55. External memory cycle: Demultiplexed bus, with/without r/w delay, extended ALE
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(D15-D8) D7-D0
Data bus (P0)
(D15-D8) D7-D0
Data bus (P0)
A23-A16
A15-A0 (P1)
BHE
CLKOUT
ALE
CSx
Read cycle
RD
Write cycle
WR
WRL
WRH
t
6
t
6
t
5
t
38
t
t
81
81
t
80
t
80
Address
t
17
t
17
t
39
t
16
t
t
13
13
t
t
15
14
t
t
12
12
t
Data out
22
Data in
t
28
t
24
t
18
t
28
t
t
26
41
t
21
t
20
ST10F272M