SM8954B
8-Bit Micro-controller
16KB Flash
& 1KB RAM embedded
Pin Configuration
40 Pin PDIP
T2/P1.0
T2EX/P1.1
PWM0/P1.2
PWM1/P1.3
P1.4
P1.5
SCL/P1.6
SDA/P1.7
RESET
1
2
3
4
5
6
40
39
38
37
36
35
VDD
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
ALE
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P2.4/A12
P2.3/A11
P2.2/A10
P2.1/A9
P2.0/A8
SM8954BihhPP
yymmv
(40L PDIP Top View)
7
8
9
34
33
32
31
30
29
28
27
26
25
24
23
22
21
RXD/P3.0
10
TXD/P3.1
11
INT0/P3.2
12
INT1/P3.3
13
T0/P3.4
14
T1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
VSS
20
FOSVOS TEL: 021-58998693
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M083
Ver A SM8954B 3/7/2014
-4-