1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/7/19 Sheet of
File: E:\电路城\电压检测(8路)\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
C2
Cap
10uF
C1
Cap Pol1
30pF
C3
Cap
10K
R1
Res2
GND
VCC
S1
SW-PB
P30
P31
P32
P33
P34
P35
P36
P37
P10
P11
P12
P13
P14
P15
P16
P17
Vin Vout
GND
7805
Volt Reg
0.1uF
C5
Cap
100uF
C4
Cap Pol1
0.1uF
C7
Cap
100uF
C6
Cap Pol1
1
2
P1
电源接口
GND
VCC
A
B
C
D
E
F
G
DP
1
2
3
4
DS1
P23
P22
P21
P20
P23
P22
P21
P20
P10
P11
P12
P13
P14
P15
P16
P17
P00
P01
P02
P03
P04
P05
P06
P07
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
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
P00
P01
P02
P03
P04
P05
P06
P07
VCC
GND
P35
P36
P37
P30
P30
P31
P32
P33
1K
R2
RPot
GND
VCC
1K
R3
RPot
GND
VCC
1K
R4
RPot
GND
VCC
1K
R5
RPot
GND
VCC
1K
R6
RPot
GND
VCC
1K
R7
RPot
GND
VCC
1K
R8
RPot
GND
VCC
1K
R9
RPot
GND
VCC
IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7
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
PI001 PI002 PI003
PI004PI00A
PI00B PI00C PI00D
PI00DP
PI00E
PI00F PI00G
PI780501
PI780502
PI780503
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602 PIC701
PIC702
PIP101
PIP102
PIR101
PIR102
PIS101
PIS102
PIU?01
PIU?02
PIU?03
PIU?04
PIU?05
PIU?06
PIU?07
PIU?08
PIU?09
PIU?010
PIU?011
PIU?012
PIU?013
PIU?014
PIU?015
PIU?016
PIU?017
PIU?018
PIU?019
PIU?020
PIU?021
PIU?022
PIU?023
PIU?024
PIU?025
PIU?026
PIU?027
PIU?028
PIU?029
PIU?030
PIU?031
PIU?032
PIU?033
PIU?034
PIU?035
PIU?036
PIU?037
PIU?038
PIU?039
PIU?040
PIY101
PIY102
PI780502
PIC201
PIC301
PIC402 PIC501 PIC602 PIC701
PIP101
PIR101
PIU?020
PI00IN0
NL
PI00IN1
NL
PI00IN2
NL
PI00IN3
NL
PI00IN4
NL
PI00IN5
NL
PI00IN6
NL
PI780501
PIC401 PIC502
PIP102
PI00ADD A
PI00ADD B
PI00ADD C
PI00ALE
PI00CLOCK
PI00EOC
PI00OE
PI00OUT1
PI00OUT2
PI00OUT3
PI00OUT4
PI00OUT5
PI00OUT6
PI00OUT7
PI00OUT8
PI00START
PI00VREF0
PI00VREF0
PIC102
PIR102
PIS101
PIU?09
PIC202
PIU?018
PIY101
PIC302
PIU?019
PIY102
PIU?025
PIU?026
PIU?027
PIU?028
PIU?029
PIU?030
PIU?039
NL
PIU?038
NL
PIU?037
NL
PIU?036
NL
PIU?035
NL
PIU?034
NL
PIU?033
NL
PIU?032
NL
PI00A
PIU?01
NL
PI00B
PIU?02
NL
PI00C
PIU?03
NL
PI00D
PIU?04
NL
PI00E
PIU?05
NL
PI00F
PIU?06
NL
PI00G
PIU?07
NL
PI00DP
PI00IN7
PIU?08
NL
PI004
PIU?021
NL
PI003
PIU?022
NL
PI002
PIU?023
NL
PI001
PIU?024
NL
PIU?010
NL
PIU?011
NL
PIU?012
NL
PIU?013
NL
PIU?014
NL
PIU?015
NL
PIU?016
NL
PIU?017
NL
PI780503
PIC101
PIC601 PIC702
PIS102
PIU?031
PIU?040