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: 2022/7/6 Sheet of
File: I:\办公2022下\温度7.6\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
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
D1
LED3
S2
SW-PB
S3
SW-PB
S4
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
P00
P01
P02
P03
P04
P05
P06
P07
P27
P26
P25
P24
P23
P22
P21
P20
10K
R14
Res2
VCC
Q1
PNP
VCC
GND
10K
R13
Res2
1
2
3
4
5
K?
Relay
M
B1
Motor
1
2
P3
电源接口
GND
P27
P23
P22
1
2
P4
串口接口
P30
P31
VCC
20
DB0
18
DB1
17
DB2
16
DB3
15
DB4
14
DB5
13
DB6
12
DB7
11
CS
1
RD
2
WR
3
CLK IN
4
INTR
5
A GND
8
D GND
10
VREF/2
9
VIN+
6
VIN-
7
CLK R
19
U7
ADC0804
VCC
GND
10K
R11
Res2
10K
R12
Res2
10K
R10
Res2
150pF
C8
Cap
GND
VCC
P10
P11
P12
P13
P14
P15
P16
P17
P34
P35
P36
P37
2
3
6
47
1
8
5
AR1
Op Amp
+5V
-5V
2
3
6
47
1
8
5
AR2
Op Amp
+5V
-5V
2
3
6
4 7
1
8
5
AR3
Op Amp
+5V
-5V
10K
R5
Res2
10K
R4
Res2
10K
R8
Res2
10K
R9
Res2
GND
100
R6
Res2
VCC
5K
R2
Res2
GND
VCC
5K
R7
Res2
GND
1
2
P2
PT100接口
D2
LED3
10K
R3
Res2
VCC
P26
P25
P24
AB/BA
1
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
GND
10
VCC
20
CE
19
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
U2
74LS245
A
B
C
D
E
F
G
DP
1
2
3
4
DS1
GND
GND
VCC
P00
P01
P02
P03
P04
P05
P06
P07
U3
NOT
U4
NOT
U5
NOT
U6
NOT
P23
P22
P21
P20