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: 2021/9/18 Sheet of
File: I:\办公2021下\图书馆9.17\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
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
S1
SW-PB
D19
LED3
GND
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
1K
R2
RPot
VCC
E2
E1
E0
E6
E5
E4
E3
E7
D20
Photo Sen
VCC
GND
1K
R21
Res2 10K
R22
Res2
D17
LED3
D18
Photo Sen
VCC
GND
1K
R19
Res2 10K
R20
Res2
D23
LED3
D24
Photo Sen
VCC
GND
1K
R25
Res2 10K
R26
Res2
D21
LED3
D22
Photo Sen
VCC
GND
1K
R23
Res2 10K
R24
Res2
D27
LED3
D28
Photo Sen
VCC
GND
1K
R29
Res2 10K
R30
Res2
D25
LED3
D26
Photo Sen
VCC
GND
1K
R27
Res2 10K
R28
Res2
D31
LED3
D32
Photo Sen
VCC
GND
1K
R33
Res2 10K
R34
Res2
D29
LED3
D30
Photo Sen
VCC
GND
1K
R31
Res2 10K
R32
Res2
E2E1E0 E6E5E4E3 E7
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
D1
LED3
GND
1K
R3
Res2
D2
LED3
1K
R4
Res2
D3
LED3
1K
R5
Res2
D4
LED3
1K
R6
Res2
D5
LED3
1K
R7
Res2
D6
LED3
1K
R8
Res2
D7
LED3
1K
R9
Res2
D8
LED3
1K
R10
Res2
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
1
2
3
4
P2
数码管接口