1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/7/8 Sheet of
File: E:\电路城\密码锁（LED）\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
Vin Vout
GND
7805
Volt Reg
30pF
C2
Cap
10uF
C1
Cap Pol1
30pF
C3
Cap
10K
R1
Res2
0.1uF
C5
Cap
100uF
C4
Cap Pol1
0.1uF
C7
Cap
100uF
C6
Cap Pol1
1
2
P1
电源接口
GND
GND
VCC
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
LCD
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
Q1
PNP
LS1
Speaker
GND
VCC
GND
10K
R2
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
S10
SW-PB
S11
SW-PB
S12
SW-PB
S13
SW-PB
S14
SW-PB
S15
SW-PB
S16
SW-PB
S17
SW-PB
P10
P11
P12
P13
P14
P15
P16
P17
P30
P31
P32
P33
P34
P35
P36
P37
P10
P11
P12
P13
P14
P15
P16
P17
P32
WP
7
SDA
5
SCK
6
A2
3
A1
2
A0
1
U3
24C02
GND
P37
P36
VCC
D1
LED0
10K
R3
Res2
P33
PI780501
PI780502
PI780503
CO
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602 PIC701
PIC702
PID?01
PID?02
PILCD0A
PILCD0D0 PILCD0D1
PILCD0D2
PILCD0D3 PILCD0D4 PILCD0D5 PILCD0D6
PILCD0D7
PILCD0E
PILCD0GND
PILCD0K
PILCD0RS
PILCD0RWPILCD0V0
PILCD0VCC
PILS101
PILS102
PIP101
PIP102
PIQ101
PIQ102
PIQ103
PIR101
PIR102
PIR201PIR202
PIR201PIR202
PIRP101
PIRP102
PIRP103
PIRP104
PIRP105
PIRP106
PIRP107
PIRP108
PIRP109
PIS101
PIS102
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 PIS1501 PIS1502 PIS1601 PIS1602 PIS1701 PIS1702
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
PIU301
PIU302
PIU303
PIU305
PIU306
PIU307
PIY101
PIY102
PI780502
PIC201
PIC301
PIC402 PIC501 PIC602 PIC701
PILCD0GND
PILCD0K
PILCD0V0
PILS102
PIP101
PIR101
PIU1020
PIU301
PIU302
PIU303PIU307
PI780501
PIC401 PIC502
PIP102
PIC102
PIR102
PIS101
PIU109
PIC202
PIU1018
PIY101
PIC302
PIU1019
PIY102
PID?02
PIR201
PILCD0D0
PIRP102
PIU1039
PILCD0D1
PIRP103
PIU1038
PILCD0D2
PIRP104
PIU1037
PILCD0D3
PIRP105
PIU1036
PILCD0D4
PIRP106
PIU1035
PILCD0D5
PIRP107
PIU1034
PILCD0D6
PIRP108
PIU1033
PILCD0D7
PIRP109
PIU1032
PILCD0E
PIU1028
PILCD0RS
PIU1027
PILCD0RW
PIU1026
PILS101
PIQ101
PIQ102
PIR201
PIU1021
PIU1022
PIU1023
PIU1024
PIU1025
PIU1029
PIU1030
PIS201
PIS601
PIS1001
PIS1401
PIU101
NL
PIS301
PIS701
PIS1101
PIS1501
PIU102
NL
PIS401
PIS801
PIS1201
PIS1601
PIU103
NL
PIS501
PIS901
PIS1301
PIS1701
PIU104
NL
PIS202 PIS302 PIS402 PIS502
PIU105
NL
PIS602 PIS702 PIS802 PIS902
PIU106
NL
PIS1002 PIS1102 PIS1202 PIS1302
PIU107
NL
PIS1402 PIS1502 PIS1602 PIS1702
PIU108
NL
PIU1010
NL
PIU1011
NL
PIR202
PIU1012
NL
PIU1013
NL
PIU1014
NL
PIU1015
NL
PIU1016
PIU306
NL
PIU1017
PIU305
NL
PI780503
PIC101
PIC601 PIC702
PID?01
PILCD0A
PILCD0VCC
PIQ103
PIRP101
PIS102
PIU1031
PIU1040
