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SM8958A 数据表(PDF) 4 Page - SyncMOS Technologies,Inc

部件名 SM8958A
功能描述  8-Bits Micro-controller With 32KB flash & 1KB RAM embedded
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制造商  SYNCMOS [SyncMOS Technologies,Inc]
网页  http://www.syncmos.com.tw
标志 SYNCMOS - SyncMOS Technologies,Inc

SM8958A 数据表(HTML) 4 Page - SyncMOS Technologies,Inc

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SyncMOS Technologies International, Inc.
SM8958A
8-Bits Micro-controller
With 32KB flash & 1KB RAM embedded
Specifications subject to change without notice contact your sales representatives for the most recent information.
Ver 2.1
SM8958A
08/2006
4
Pin Description
40L
PDIP
Pin#
44L
QFP
Pin#
44L
PLCC
Pin#
Symbol
Active
I/O
Names
1
40
2
P1.0/T2
i/o
bit 0 of port 1 & timer 2 clock out
2
41
3
P1.1/T2EX
i/o
bit 1 of port 1 & timer 2 control
3
42
4
P1.2
i/o
bit 2 of port 1
4
43
5
P1.3/SPWM0
i/o
bit 3 of port 1 & SPWM channel 0
5
44
6
P1.4/SPWM1
i/o
bit 4 of port 1 & SPWM channel 1
6
1
7
P1.5/SPWM2
i/o
bit 5 of port 1 & SPWM channel 2
7
2
8
P1.6/SPWM3
i/o
bit 6 of port 1 & SPWM channel 3
8
3
9
P1.7/SPWM4
i/o
bit 7 of port 1 & SPWM channel 4
9
4
10
RES
H
i
Reset
10
5
11
P3.0/RXD
i/o
bit 0 of port 3 & Receiver data
11
7
13
P3.1/TXD
i/o
bit 1 of port 3 & Transmit data
12
8
14
P3.2/#INT0
L/-
i/o
bit 2 of port 3 & low true interrupt 0
13
9
15
P3.3/#INT1
L/-
i/o
bit 3 of port 3 & low true interrupt 1
14
10
16
P3.4/T0
i/o
bit 4 of port 3 & Timer 0
15
11
17
P3.5/T1
i/o
bit 5 of port 3 & Timer 1
16
12
18
P3.6/#WR
i/o
bit 6 of port 3 & ext. memory write
17
13
19
P3.7/#RD
i/o
bit 7 of port 3 & ext. memory Read
18
14
20
XTAL2
o
Crystal out
19
15
21
XTAL1
i
Crystal in
20
16
22
VSS
Sink Voltage, Ground
21
18
24
P2.0/A8
i/o
bit 0 of port 2 & bit 8 of ext. memory address
22
19
25
P2.1/A9
i/o
bit 1 of port 2 & bit 9 of ext. memory address
23
20
26
P2.2/A10
i/o
bit 2 of port 2 & bit 10 of ext. memory address
24
21
27
P2.3/A11
i/o
bit 3 of port 2 & bit 11 of ext. memory address
25
22
28
P2.4/A12
i/o
bit 4 of port 2 & bit 12 of ext. memory address
26
23
29
P2.5/A13
i/o
bit 5 of port 2 & bit 13 of ext. memory address
27
24
30
P2.6/A14
i/o
bit 6 of port 2 & bit 14 of ext. memory address
28
25
31
P2.7/A15
i/o
bit 7 of port 2 & bit 15 of ext. memory address
29
26
32
#PSEN
o
program storage enable
30
27
33
ALE
o
address latch enable
31
29
35
#EA
L
i
external access
32
30
36
P0.7/AD7
i/o
bit 7 of port 0 & data/address bit 7 of ext. memory
33
31
37
P0.6/AD6
i/o
bit 6 of port 0 & data/address bit 6 of ext. memory
34
32
38
P0.5/AD5
i/o
bit 5 of port 0 & data/address bit 5 of ext. memory
35
33
39
P0.4/AD4
i/o
bit 4 of port 0 & data/address bit 4 of ext. memory
36
34
40
P0.3/AD3
i/o
bit 3 of port 0 & data/address bit 3 of ext. memory
37
35
41
P0.2/AD2
i/o
bit 2 of port 0 & data/address bit 2 of ext. memory
38
36
42
P0.1/AD1
i/o
bit 1 of port 0 & data/address bit 1 of ext. memory
39
37
43
P0.0/AD0
i/o
bit 0 of port 0 & data/address bit 0 of ext. memory
40
38
44
VDD
Drive Voltage, +5 Vcc
17
23
P4.0
i/o
bit 0 of Port 4
28
34
P4.1
i/o
bit 1 of Port 4
39
1
P4.2
i/o
bit 2 of Port 4
6
12
P4.3
i/o
bit 3 of port 4


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