1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/5/31 Sheet of
File: I:\办公2021下\电压采集5.31\原理图\Sheet1.SchDocDrawn By:
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
P3.0/RXD
10
P3.1/TXD
11
P3.2/INT0
12
P3.3/INT1
13
P3.4/T0
14
P3.5/T1
15
P3.6/WR
16
P3.7/RD
17
XTAL2
18
XTAL1
19
GND
20
P2.0
21
P2.1
22
P2.2
23
P2.3
24
P2.4
25
P2.5
26
P2.6
27
P2.7
28
PSEN
29
ALE/PROG
30
EA
31
P0.7
32
P0.6
33
P0.5
34
P0.4
35
P0.3
36
P0.2
37
P0.1
38
P0.0
39
VCC
40
U1
80511 2
Y1
XTAL
30pF
C1
Cap
10uF
C3
Cap Pol1
30pF
C2
Cap
10K
R1
Res2
GND
VCC
15
A
14
D7
13
D6
12
D5
11
D4
10
D3
9
D2
8
D1
7
D0
6
E
5
RW
4
RS
3
V0
2
VCC
1
GND
16
K
LCD1602
L1
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
P10
P11
P12
P13
P14
P15
P16
P17
1
2
P3
串口接口
GND
VCC
GND
26
IN0
27
IN1
28
IN2
1
IN3
2
IN4
3
IN5
4
IN6
5
IN7
25
ADD A
24
ADD B
23
ADD C
22
ALE
12
VREF+
16
VREF-
10
CLOCK
6
START
7
EOC
21
OUT1
20
OUT2
19
OUT3
18
OUT4
8
OUT5
15
OUT6
14
OUT7
17
OUT8
9
OE
U2
ADC0808
P10
P11
P12
P13
P14
P15
P16
P17
P34
P35
P36
P37
VCC
GND
1K
R2
RPot
GND
VCC
P34
P35
P36
P36
P37
D1
LED1
10K
R3
Res2
VCC
PI00ADD A
PI00ADD B
PI00ADD C
PI00ALE
PI00CLOCK
PI00EOC
PI00IN0
PI00IN1
PI00IN2
PI00IN3
PI00IN4
PI00IN5
PI00IN6
PI00IN7
PI00OE
PI00OUT1
PI00OUT2
PI00OUT3
PI00OUT4
PI00OUT5
PI00OUT6
PI00OUT7
PI00OUT8
PI00START
PI00VREF0
CO
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIL10A
PIL10D0 PIL10D1
PIL10D2
PIL10D3 PIL10D4 PIL10D5 PIL10D6
PIL10D7
PIL10E
PIL10GND
PIL10K
PIL10RS
PIL10RWPIL10V0
PIL10VCC
PIP301
PIP302
PIR101
PIR102
PIRP101
PIRP102
PIRP103
PIRP104
PIRP105
PIRP106
PIRP107
PIRP108
PIRP109
PIS101
PIS102
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIU1014
PIU1015
PIU1016
PIU1017
PIU1018
PIU1019
PIU1020
PIU1021
PIU1022
PIU1023
PIU1024
PIU1025
PIU1026
PIU1027
PIU1028
PIU1029
PIU1030
PIU1031
PIU1032
PIU1033
PIU1034
PIU1035
PIU1036
PIU1037
PIU1038
PIU1039
PIU1040
PIY101
PIY102
PIC101
PIC201
PIL10GND
PIL10K
PIL10V0
PIR101
PIU1020
PI00ADD A
PI00ADD B
PI00ADD C
PI00ALE
PI00CLOCK
PI00EOC
PI00IN0
PI00IN1
PI00IN2
PI00IN3
PI00IN4
PI00IN5
PI00IN6
PI00IN7
PI00OE
PI00START
PI00VREF0
PI00VREF0
PIC102
PIU1018
PIY101
PIC202
PIU1019
PIY102
PIC302
PIR102
PIS101
PIU109
PIL10D0
PIRP102
PIU1039
PIL10D1
PIRP103
PIU1038
PIL10D2
PIRP104
PIU1037
PIL10D3
PIRP105
PIU1036
PIL10D4
PIRP106
PIU1035
PIL10D5
PIRP107
PIU1034
PIL10D6
PIRP108
PIU1033
PIL10D7
PIRP109
PIU1032
PIL10E
PIU1023
PIL10RS
PIU1021
PIL10RW
PIU1022
PIP301
PIU1011
PIP302
PIU1010
PIU1012
PIU1013
PIU1024
PIU1025
PIU1026
PIU1027
PIU1028
PIU1029
PIU1030
PI00OUT8
PIU101
NL
PI00OUT7
PIU102
NL
PI00OUT6
PIU103
NL
PI00OUT5
PIU104
PIU1017
NL
PI00OUT4
PIU105
NL
PI00OUT3
PIU106
NL
PI00OUT2
PIU107
NL
PI00OUT1
PIU108
NL
PIU1014
NL
PIU1015
NL
PIU1016
NL
PIC301
PIL10A
PIL10VCC
PIRP101
PIS102
PIU1031
PIU1040
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