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SM5954 Folha de dados(PDF) 8 Page - SyncMOS Technologies,Inc

Nome de Peças SM5954
Descrição Electrónicos  256 bytes SRAM as standard 8052
Download  53 Pages
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Fabricante Electrônico  SYNCMOS [SyncMOS Technologies,Inc]
Página de início  http://www.syncmos.com.tw
Logo SYNCMOS - SyncMOS Technologies,Inc

SM5954 Folha de dados(HTML) 8 Page - SyncMOS Technologies,Inc

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SM5954
8-Bit Micro-controller
16KB with 4KB ISP Flash
& 1KB RAM embedded
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M093
Ver C SM5954 04/17/2014
- 8 -
Pin Description
40L
PDIP
44L
PLCC
44L
PQFP
Symbol
I/O
Description
-
1
39
P4.2
I/O
Bit 2 of port 4
1
2
40
P1.0/T2
I/O
Bit 0 of port 1 & Timer 2 external input clock
2
3
41
P1.1/T2EX
I/O
Bit 1 of port 1 & Timer 2 capture trigger
3
4
42
P1.2/PWM0
I/O
Bit 2 of port 1 & PWM Channel 0
4
5
43
P1.3/PWM1
I/O
Bit 3 of port 1 & PWM Channel 1
5
6
44
P1.4
I/O
Bit 4 of port 1
6
7
1
P1.5
I/O
Bit 5 of port 1
7
8
2
P1.6/SCL
I/O
Bit 6 of port 1 & IIC SCL pin
8
9
3
P1.7/SDA
I/O
Bit 7 of port 1 & IIC SDA pin
9
10
4
RESET
I
Reset pin
10
11
5
P3.0/RXD
I/O
Bit 0 of port 3 & Serial interface channel receive data
-
12
6
P4.3
I/O
Bit 3 of port 4
11
13
7
P3.1/TXD
I/O
Bit 1 of port 3 & Serial interface channel Transmit data
12
14
8
P3.2/INT0
I/O
Bit 2 of port 3 & Interrupt 0
13
15
9
P3.3/INT1
I/O
Bit 3 of port 3 & Interrupt 1
14
16
10
P3.4/T0
I/O
Bit 4 of port 3 & Timer 0 external input
15
17
11
P3.5/T1
I/O
Bit 5 of port 3 & Timer 1 external input
16
18
12
P3.6/WR
I/O
Bit 6 of port 3 & external memory write
17
19
13
P3.7/RD
I/O
Bit 7 of port 3 & external memory read
18
20
14
XTAL2
I/O
Crystal output
19
21
15
XTAL1
I/O
Crystal input
20
22
16
VSS
I
Ground
-
23
17
P4.0
I/O
Bit 0 of port 4
21
24
18
P2.0/A8
I/O
Bit 0 of port 2 & bit 8 of external memory address
22
25
19
P2.1/A9
I/O
Bit 1 of port 2 & bit 9 of external memory address
23
26
20
P2.2/A10
I/O
Bit 2 of port 2 & bit 10 of external memory address
24
27
21
P2.3/A11
I/O
Bit 3 of port 2 & bit 11 of external memory address
25
28
22
P2.4/A12
I/O
Bit 4 of port 2 & bit 12 of external memory address
26
29
23
P2.5/A13
I/O
Bit 5 of port 2 & bit 13 of external memory address
27
30
24
P2.6/A14
I/O
Bit 6 of port 2 & bit 14 of external memory address
28
31
25
P2.7/A15
I/O
Bit 7 of port 2 & bit 15 of external memory address
29
32
26
PSEN
O
program storage enable
30
33
27
ALE
O
address latch enable
-
34
28
P4.1
I/O
Bit 1 of port 4
31
35
29
EA
I
external access
32
36
30
P0.7/AD7
I/O
Bit 7 of port 0 & data/address bit 7 of external memory
33
37
31
P0.6/AD6
I/O
Bit 6 of port 0 & data/address bit 6 of external memory
34
38
32
P0.5/AD5
I/O
Bit 5 of port 0 & data/address bit 5 of external memory
35
39
33
P0.4/AD4
I/O
Bit 4 of port 0 & data/address bit 4 of external memory
36
40
34
P0.3/AD3
I/O
Bit 3 of port 0 & data/address bit 3 of external memory
37
41
35
P0.2/AD2
I/O
Bit 2 of port 0 & data/address bit 2 of external memory
38
42
36
P0.1/AD1
I/O
Bit 1 of port 0 & data/address bit 1 of external memory
39
43
37
P0.0/AD0
I/O
Bit 0 of port 0 & data/address bit 0 of external memory
40
44
38
VDD
I
Power supply


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