1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/12/10 Sheet of
File: I:\办公2021下\车速检测12.10\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
U?
80511 2
Y1
XTAL
30pF
C2
Cap
10uF
C1
Cap Pol1
30pF
C3
Cap
10K
R1
Res2
GND
VCC
1
2
3
4
5
6
7
8
9
RP1
RESP
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
1
2
P2
速度传感器接口
GND
S2
SW-PB
GND
P17
P27
P26
P25
P24
P23
P22
P21
P20
P00
P01
P02
P03
P04
P05
P06
P07
A
B
C
D
E
F
G
DP
1
2
3
4
DS1
A
B
C
D
E
F
G
DP
1
2
3
4
DS2
P00
P01
P02
P03
P04
P05
P06
P07
P00
P01
P02
P03
P04
P05
P06
P07
P27
P26
P25
P24
P23
P22
P21
P20
2
3
6
4 7
1
8
5
AR1
Op Amp
VCC
VEE
10K
R2
Res2
10K
R3
Res2
10uF
C8
Cap Pol1
10uF
C9
Cap Pol1
GND
2
3
6
4 7
1
8
5
AR2
Op Amp
VCC
VEE
100K
R5
Res2
10K
R4
Res2
GND
2
3
6
4 7
1
8
5
AR3
Op Amp
VCC
VEE
1K
R6
RPot
VCC
GND
P32
PI780501
PI780502
PI780503
CO
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602 PIC701
PIC702
PIDS101
PIDS102
PIDS103 PIDS104PIDS10A PIDS10B
PIDS10C
PIDS10D
PIDS10DP
PIDS10E PIDS10F PIDS10G
PIDS201
PIDS202
PIDS203 PIDS204PIDS20A PIDS20B
PIDS20C
PIDS20D
PIDS20DP
PIDS20E PIDS20F PIDS20G
PILS101
PILS102
PIP101
PIP102
PIP201
PIP202
PIQ101
PIQ102
PIQ103
PIR101
PIR102
PIR201
PIR202
PIRP101
PIRP102
PIRP103
PIRP104
PIRP105
PIRP106
PIRP107
PIRP108
PIRP109
PIS101
PIS102
PIS201 PIS202
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
PILS102
PIP101
PIP201
PIR101
PIS201
PIU?020
PI780501
PIC401 PIC502
PIP102
PIC102
PIR102
PIS101
PIU?09
PIC202
PIU?018
PIY101
PIC302
PIU?019
PIY102
PILS101
PIQ101
PIQ102
PIR201
PIU?029
PIU?030
PIDS10A
PIDS20A
PIRP102
PIU?039
NL
PIDS10B
PIDS20B
PIRP103
PIU?038
NL
PIDS10C
PIDS20C
PIRP104
PIU?037
NL
PIDS10D
PIDS20D
PIRP105
PIU?036
NL
PIDS10E
PIDS20E
PIRP106
PIU?035
NL
PIDS10F
PIDS20F
PIRP107
PIU?034
NL
PIDS10G
PIDS20G
PIRP108
PIU?033
NL
PIDS10DP
PIDS20DP
PIRP109
PIU?032
NL
PIR202
PIU?01
NL
PIU?02
NL
PIU?03
NL
PIU?04
NL
PIU?05
NL
PIU?06
NL
PIU?07
NL
PIU?08
NL
PIDS101
PIU?021
NL
PIDS102
PIU?022
NL
PIDS103
PIU?023
NL
PIDS104
PIU?024
NL
PIDS201
PIU?025
NL
PIDS202
PIU?026
NL
PIDS203
PIU?027
NL
PIDS204
PIU?028
NL
PIU?010
NL
PIU?011
NL
PIP202
PIU?012
NL
PIU?013
NL
PIU?014
NL
PIU?015
NL
PIS202
PIU?016
NL
PIU?017
NL
PI780503
PIC101
PIC601 PIC702
PIQ103
PIRP101
PIS102
PIU?031
PIU?040
