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August 2000
Specifications subject to change without notice,contact your sales representatives for the most recent information.
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Ver 1.0
PID 2958 08/00
SyncMOS Technologies Inc.
SM2958
Pin Configurations
P1.5
P1.6
P1.5
RES
RXD/P3.0
NC
TXD/P3.1
#INT0/P3.2
#INT1/P3.3
T0/P3.4
T1/P3.5
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
SM2958
44L QFP
(Top View)
44 43 42 41
38 37 36 35 34
40 39
33
32
31
29
28
27
26
25
24
30
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
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/VPP
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
T2/P1.0
T2EX/P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RES
RXD/P3.0
TXD/P3.1
#INT/P3.2
#INT1/P3.3
T0/P3.4
T1/P3.5
#WR/P3.6
#RD/P3.7
XTAL1
XTAL2
VSS
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
10
40
39
38
37
36
35
34
33
32
31
30
28
27
26
25
24
23
22
21
29
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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
SM2958
44L PLCC
(Top View)
6
5
4 3 2 144 43 42 41 40 39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
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