1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/7/25 Sheet of
File: E:\电路城\光控灯（三色灯，DA）\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
D1
LED3
GND
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
S2
SW-PB
GND
1
CS
2
CH0
3
CH1
4
GND
8
VCC
7
CLK
6
DI
5
DO
U4
ADC0832
10K
R2
Res2
1
2
P2
光敏电阻接口
VCC
GND
GND
VCC
P10
P14
P15
P16
P17
100
R6
Res2
D2
LED3
100
R7
Res2
D3
LED3
100
R8
Res2
VEE
3
COMP
16
A8
12
A7
11
A6
10
A5
9
A4
8
A3
7
A2
6
A1
5
IOUT
4
VREF-
15
VREF+
14
U2
DAC0808
2
3
6
4 7
1
8
5
U3
Op Amp
VCC
GND10K
R3
Res2
VCC
10K
R4
Res2
GND
VEE
0.1uF
C8
Cap
GND
10K
R5
Res2
P30
P31
P32
P33
P34
P35
P36
P37
