SM8951A Datasheet, PDF (2/17 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 4/8KB flash embedded

SyncMOS Technologies Inc.
September 2002
Pin Configurations
SM8951A/8952A
P1.5
P1.6
P1.7
RES
RXD/P3.0
NC
TXD/P3.1
#INT0/P3.2
#INT1/P3.3
T0/P3.4
T1/P3.5
6 5 4 3 2 1 44 43 42 41 40 ₃₉
7
38
8
37
9
10 ^{SM8951A/8952A 36}
11
ihhJ
35
12
13
44L PLCC
34
33
14
(Top View)
32
15
31
16
30
17
18 19
20 21 22 23
24 25 26
27 28 ²⁹
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
#EA/VPP
NC
ALE
#PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P1.5
P1.6
P1.7
RES
RXD/P3.0
NC
TXD/P3.1
#INT0/P3.2
#INT1/P3.3
T0/P3.4
T1/P3.5
44 43 42 41 40 39 38 37 36 35 34
1
33
2
32
3
31
4
SM8951A/8952A
30
5
ihhQ
29
6
7
28
44L QFP
27
8
(Top View)
26
9
25
10
24
11
23
12 13 14 15 16 17 18 19 20 21 22
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
#EA/VPP
NC
ALE
#PSEN
P2.7/A15
P2.6/A14
P2.5/A13
T2/P1.0 1
T2EX/P1.1 2
P1.2 3
P1.3 ⁴
P1.4 ⁵
P1.5 ⁶
P1.6 ⁷
P1.7 ⁸
RES ⁹
RXD/P3.0 ¹⁰
TXD/P3.1 ¹¹
#INT/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
40
VDD
39 ^P0.0/AD0
38 P0.1/AD1
37 _P0.2/AD2
36 P0.3/AD3
35 P0.4/AD4
34 _P0.5/AD5
33 P0.6/AD6
32 P0.7/AD7
31 _#EA/VPP
30 ALE
29 ^#PSEN
28 ^P2.7/A15
27 ^P2.6/A14
26 ^P2.5/A13
25 P2.4/A12
24 P2.3/A11
23 P2.2/A10
22 P2.1/A9
21 P2.0/A8
Specifications subject to change without notice,contact your sales representatives for the most recent information.
2/17
Ver 1.0 PID 8951A/8952A 09/02