1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Title
Number RevisionSize
A3
Date: 2022/5/8 Sheet of
File: I:\办公2022\抢答器5.8\原理图\Sheet1.SchDocDrawn By:
Q1
PNP
LS1
Speaker
VCC
GND
10K
R3
Res2
S2
SW-PB
S3
SW-PB
S4
SW-PB
S5
SW-PB
S6
SW-PB
S7
SW-PB
S8
SW-PB
S9
SW-PB
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
GND
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
U2
80511 2
Y2
XTAL
30pF
C8
Cap
10uF
C10
Cap Pol1
30pF
C9
Cap
10K
R7
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
LCD1
1
2
3
4
5
6
7
8
9
RP1
RESP
S14
SW-PB
GND
K1
K2
K3
K4
P10
P11
P12
P13
P14
P15
1K
R2
RPot
VCC
D2
LED3
10K
R4
Res2
VCC
D3
LED3
10K
R5
Res2
VCC
S10
SW-PB
S11
SW-PB
S12
SW-PB
S13
SW-PB
P34
P35
P36
P37
GND
P16
P17
P10
P11
P12
P13
P14
P15
P16
P17
PI780501
PI780502
PI780503
CO
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602 PIC701
PIC702
PIC801
PIC802
PIC901
PIC902
PIC1001
PIC1002
PID201
PID202
PID301
PID302
PILCD10A
PILCD10D0 PILCD10D1 PILCD10D2 PILCD10D3 PILCD10D4
PILCD10D5
PILCD10D6 PILCD10D7
PILCD10E
PILCD10GND
PILCD10K
PILCD10RS
PILCD10RW
PILCD10V0
PILCD10VCC
PILS101
PILS102
PIP101
PIP102
PIQ101
PIQ102
PIQ103
PIR201
PIR202
PIR203
PIR301
PIR302
PIR401
PIR402
PIR501
PIR502
PIR701
PIR702
PIRP101
PIRP102
PIRP103
PIRP104
PIRP105
PIRP106
PIRP107
PIRP108
PIRP109
PIS201
PIS202
PIS301
PIS302
PIS401
PIS402
PIS501
PIS502
PIS601
PIS602
PIS701
PIS702
PIS801
PIS802
PIS901
PIS902
PIS1001 PIS1002
PIS1101 PIS1102
PIS1201 PIS1202
PIS1301 PIS1302
PIS1401
PIS1402
PIU201
PIU202
PIU203
PIU204
PIU205
PIU206
PIU207
PIU208
PIU209
PIU2010
PIU2011
PIU2012
PIU2013
PIU2014
PIU2015
PIU2016
PIU2017
PIU2018
PIU2019
PIU2020 PIU2021
PIU2022
PIU2023
PIU2024
PIU2025
PIU2026
PIU2027
PIU2028
PIU2029
PIU2030
PIU2031
PIU2032
PIU2033
PIU2034
PIU2035
PIU2036
PIU2037
PIU2038
PIU2039
PIU2040
PIY201PIY202
PI780502
PIC402 PIC501 PIC602 PIC701
PIC801
PIC901
PILCD10GND
PILCD10K
PILS102
PIP101
PIR701
PIS201
PIS301
PIS401
PIS501
PIS601
PIS701
PIS801
PIS901
PIS1001
PIS1101
PIS1201
PIS1301
PIU2020
PIU2014
NL
PIU2015
NL
PIU2016
NL
PIU2017
NL
PI780501
PIC401 PIC502
PIP102
PIC802
PIU2018
PIY201
PIC902
PIU2019
PIY202
PIC1002
PIR702
PIS1401
PIU209
PID201
PIR401
PID202
PIU2023
PID301
PIR501
PID302
PIU2021
PILCD10D0
PIRP102
PIU2039
PILCD10D1
PIRP103
PIU2038
PILCD10D2
PIRP104
PIU2037
PILCD10D3
PIRP105
PIU2036
PILCD10D4
PIRP106
PIU2035
PILCD10D5
PIRP107
PIU2034
PILCD10D6
PIRP108
PIU2033
PILCD10D7
PIRP109
PIU2032
PILCD10E
PIU2028
PILCD10RS
PIU2026
PILCD10RW
PIU2027
PILCD10V0
PIR203
PILS101
PIQ101
PIQ102
PIR301
PIR302
PIU2022
PIU2010
PIU2011
PIU2012
PIU2013
PIU2024
PIU2025
PIU2029
PIU2030
PIU201
NL
PIU202
PIU208
NL
PIU203
NL
PIU204
NL
PIU205
NL
PIU206
NL
PIU207
NL
PIS202
NL
PIS302
NL
PIS402
NL
PIS502
NL
PIS602
PIS1002
NL
PIS702
PIS1102
NL
PIS802
PIS1202
NL
PIS902
PIS1302
NL
PI780503
PIC601 PIC702
PIC1001
PILCD10A
PILCD10VCC
PIQ103
PIR201
PIR202
PIR402 PIR502
PIRP101
PIS1402
PIU2031
PIU2040
