![](https://csdnimg.cn/release/download_crawler_static/88740351/bg1.jpg)
1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/12/21 Sheet of
File: I:\办公2021下\..\Sheet1.SchDoc Drawn 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
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
S2
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
D0
D1
D2
D3
D4
D5
D6
D7
P23
P22
P21
P20 GND
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
OE
1
LE
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
U2
74373
D0
D1
D2
D3
D4
D5
D6
D7
GND
P20
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
OE
1
LE
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
U3
74373
D0
D1
D2
D3
D4
D5
D6
D7
GND
P21
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
OE
1
LE
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
U4
74373
D0
D1
D2
D3
D4
D5
D6
D7
GND
P22
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
OE
1
LE
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
U5
74373
D0
D1
D2
D3
D4
D5
D6
D7
GND
P23
H0
H1
H2
H3
H4
H5
H6
H7
H8
H9
H10
H11
H12
H13
H14
H15
L0
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
1
2
3
4
5
6
7
8
26
27
28
29
30
31
32
25
17
18
19
20
21
22
23
249
10
11
12
13
14
15
16
DS1
点阵16x16
H0
H1
H2
H3
H4
H5
H6
H7
H8
H9
H10
H11
H12
H13
H14
H15
L0
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
PI001
PI002PI003
PI004 PI005
PI006PI007
PI008 PI009
PI0011
PI0012PI0013
PI0014 PI0015
PI0016PI0017
PI0018 PI0019
CO
PI001
PI002PI003
PI004 PI005
PI006PI007
PI008 PI009
PI0011
PI0012PI0013
PI0014 PI0015
PI0016PI0017
PI0018 PI0019
PI001
PI002PI003
PI004 PI005
PI006PI007
PI008 PI009
PI0011
PI0012PI0013
PI0014 PI0015
PI0016PI0017
PI0018 PI0019
PI001
PI002PI003
PI004 PI005
PI006PI007
PI008 PI009
PI0011
PI0012PI0013
PI0014 PI0015
PI0016PI0017
PI0018 PI0019
PI780501
PI780502
PI780503
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602 PIC701
PIC702
PIP101
PIP102
PIR101
PIR102
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
PI003
PIRP102
PIU?039
NL
PI004
PIRP103
PIU?038
NL
PI007
PIRP104
PIU?037
NL
PI008
PIRP105
PIU?036
NL
PI0013
PIRP106
PIU?035
NL
PI0014
PIRP107
PIU?034
NL
PI0017
PIRP108
PIU?033
NL
PI0018
PIRP109
PIU?032
NL
PI001
PI780502
PIC201 PIC301
PIC402 PIC501 PIC602 PIC701
PIP101
PIR101
PIS202
PIU?020
PI002
NL
PI005
NL
PI006
NL
PI009
NL
PI0012
NL
PI0015
NL
PI0016
NL
PI0019
NL
PI002
NL
PI005
NL
PI006
NL
PI009
NL
PI0012
NL
PI0015
NL
PI0016
NL
PI0019
NL
PI002
NL
PI005
NL
PI006
NL
PI009
NL
PI0012
NL
PI0015
NL
PI0016
NL
PI0019
NL
PI002
NL
PI005
NL
PI006
NL
PI009
NL
PI0012
NL
PI0015
NL
PI0016
NL
PI780501
PIC401 PIC502
PIP102
PIC102
PIR102
PIS101
PIU?09
PIC202
PIU?018
PIY101
PIC302
PIU?019
PIY102
PIS201
PIU?025
PIU?026
PIU?027
PIU?028
PIU?029
PIU?030
PIU?01
NL
PIU?02
NL
PIU?03
NL
PIU?04
NL
PIU?05
NL
PIU?06
NL
PIU?07
NL
PI0019
PIU?08
NL
PI0011
PIU?021
NL
PI0011
PIU?022
NL
PI0011
PIU?023
NL
PI0011
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
PIRP101
PIS102
PIU?031
PIU?040