SyncMOS Technologies International, Inc.
SM5964
8-Bits Micro-controller
64KB ISP flash & 1KB RAM embedded
Pin Description
40L
PDIP
Pin#
44L
QFP
Pin#
40
41
42
43
44
1
44L
PLCC
Pin#
Symbol
Active
I/O
Names
1
2
P1.0/T2
P1.1/T2EX
P1.2
P1.3/SPWM0
P1.4/SPWM1
P1.5/SPWM2
P1.6/SPWM3
P1.7/SPWM4
RES
i/o
i/o
i/o
i/o
i/o
i/o
i/o
i/o
i
bit 0 of port 1 & timer 2 clock out
bit 1 of port 1 & timer 2 control
bit 2 of port 1
bit 3 of port 1 & SPWM channel 0
bit 4 of port 1 & SPWM channel 1
bit 5 of port 1 & SPWM channel 2
bit 6 of port 1 & SPWM channel 3
bit 7 of port 1 & SPWM channel 4
Reset
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
2
3
4
10
11
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
35
36
37
38
39
40
41
42
43
44
23
34
1
H
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
5
7
8
9
P3.0/RXD
P3.1/TXD
P3.2/#INT0
P3.3/#INT1
P3.4/T0
i/o
i/o
i/o
i/o
i/o
i/o
i/o
i/o
o
bit 0 of port 3 & Receiver data
bit 1 of port 3 & Transmit data
bit 2 of port 3 & low true interrupt 0
bit 3 of port 3 & low true interrupt 1
bit 4 of port 3 & Timer 0
L/-
L/-
10
11
12
13
14
15
16
18
19
20
21
22
23
24
25
26
27
29
30
31
32
33
34
35
36
37
38
17
28
39
6
P3.5/T1
bit 5 of port 3 & Timer 1
P3.6/#WR
P3.7/#RD
XTAL2
XTAL1
VSS
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
#PSEN
bit 6 of port 3 & ext. memory write
bit 7 of port 3 & ext. memory read
Crystal out
i
Crystal in
Sink Voltage, Ground
i/o
i/o
i/o
i/o
i/o
i/o
i/o
i/o
o
bit 0 of port 2 & bit 8 of ext. memory address
bit 1 of port 2 & bit 9 of ext. memory address
bit 2 of port 2 & bit 10 of ext. memory address
bit 3 of port 2 & bit 11 of ext. memory address
bit 4 of port 2 & bit 12 of ext. memory address
bit 5 of port 2 & bit 13 of ext. memory address
bit 6 of port 2 & bit 14 of ext. memory address
bit 7 of port 2 & bit 15 of ext. memory address
program storage enable
L
-
L
ALE
#EA
o
I
address latch enable
external access
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
VDD
P4.0
P4.1
P4.2
P4.3
i/o
i/o
i/o
i/o
i/o
i/o
i/o
i/o
bit 7 of port 0 & data/address bit 7 of ext. memory
bit 6 of port 0 & data/address bit 6 of ext. memory
bit 5 of port 0 & data/address bit 5 of ext. memory
bit 4 of port 0 & data/address bit 4 of ext. memory
bit 3 of port 0 & data/address bit 3 of ext. memory
bit 2 of port 0 & data/address bit 2 of ext. memory
bit 1 of port 0 & data/address bit 1 of ext. memory
bit 0 of port 0 & data/address bit 0 of ext. memory
Drive Voltage
i/o
i/o
i/o
i/o
bit 0 of Port 4
bit 1 of Port 4
bit 2 of Port 4
bit 3 of port 4
12
Specifications subject to change without notice contact your sales representatives for the most recent information.
Ver 2.2 SM5964 08/2006
4
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
