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SM79108C40 Datasheet(PDF) 4 Page - SyncMOS Technologies,Inc

Part No. SM79108C40
Description  8-Bit Micro-controller with 8KB flash & 256 Bytes RAM embedded
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Maker  SYNCMOS [SyncMOS Technologies,Inc]
Homepage  http://www.syncmos.com.tw
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 4 page
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January 2003
Specifications subject to change without notice,contact your sales representatives for the most recent information.
4/26
Preliminary
Ver 1.0
SM79108 01/03
SyncMOS Technologies Inc.
SM79108
Preliminary
Pin Descriptions
40L
PDIP
Pin#
44L
QFP
Pin#
44L
PLCC
Pin#
Symbol
Active
I/O
(GPIO)
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/SPWM
i/o
bit 2 of port 1 & SPWM channel
4
43
5
P1.3
i/o
bit 3 of port 1
5
44
6
P1.4
i/o
bit 4 of port 1
6
1
7
P1.5/PWM
i/o
bit 5 of port 1 & PWM channel
7
2
8
P1.6
i/o
bit 6 of port 1
8
3
9
P1.7
i/o
bit 7 of port 1
9
4
10
RES
H
i
Reset
10
5
11
P3.0/RXD
i/o
bit 0 of port 3 & receive 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/ADC0
i/o
bit 4 of port 3 & ADC channel 0 & Timer 0
15
11
17
P3.5/T1/ADC1
i/o
bit 5 of port 3 & ADC channel 1 &Timer 1
16
12
18
P3.6/#WR/ADC2
i/o
bit 6 of port 3 & ADC channel 2 & external memory write
17
13
19
P3.7/#RD/ADC3
i/o
bit 7 of port 3 & ADC channel 3 & external 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/COM0
i/o
bit 0 of port 2 & bit 8 of external memory address & LCCD common 0 output
22
19
25
P2.1/A9/COM1
i/o
bit 1 of port 2 & bit 9 of external memory address & LCCD common 1 output
23
20
26
P2.2/A10/COM2
i/o
bit 2 of port 2 & bit 10 of external memory address & LCCD common 2 output
24
21
27
P2.3/A11/COM3
i/o
bit 3 of port 2 & bit 11 of external memory address & LCCD common 3 output
25
22
28
P2.4/A12/SEG0
i/o
bit 4 of port 2 & bit 12 of external memory address & LCCD seg 0 output
26
23
29
P2.5/SEG1
i/o
bit 5 of port 2 & LCCD seg 1 output
27
24
30
P2.6/SEG2
i/o
bit 6 of port 2 & LCCD seg 2 output
28
25
31
P2.7/SEG3
i/o
bit 7 of port 2 & LCCD seg 3 output
29
26
32
#PSEN/SEG4
o
program storage enable & LCCD seg 4 output
30
27
33
ALE/SEG5
o
address latch enable & LCCD seg 5 output
31
29
35
#EA
L
i
external access
32
30
36
P0.7/AD7/SEG6
i/o
bit 7 of port 0 & data/address bit 7 of external memory & LCCD seg 6 output
33
31
37
P0.6/AD6/SEG7
i/o
bit 6 of port 0 & data/address bit 6 of external memory & LCCD seg7 output
34
32
38
P0.5/AD5/SEG8
i/o
bit 5 of port 0 & data/address bit 5 of external memory & LCCD seg 8 output
35
33
39
P0.4/AD4/SEG9
i/o
bit 4 of port 0 & data/address bit 4 of external memory & LCCD seg 9 output
36
34
40
P0.3/AD3/SEG10
i/o
bit 3 of port 0 & data/address bit 3 of external memory & LCCD seg 10 output
37
35
41
P0.2/AD2/SEG11
i/o
bit 2 of port 0 & data/address bit 2 of external memory & LCCD seg 11 output
38
36
42
P0.1/AD1/SEG12
i/o
bit 1 of port 0 & data/address bit 1 of external memory & LCCD seg 12 output
39
37
43
P0.0/AD0/SEG13
i/o
bit 0 of port 0 & data/address bit 0 of external memory & LCCD seg 13 output
40
38
44
VDD
i
Drive Voltage, 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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