1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2017/4/16 Sheet of
File: E:\创新作品区\..\基于热电阻的温度检测系统.SchDocDrawn By:
Q1
8550
LS1
Bell
100
R7
100
R5
VCC
GND
BEEP
P0.0/AD0
1
P0.1/AD1
2
P0.2/AD2
3
P0.3/AD3
4
P0.4/AD4
5
P0.5/AD5
6
P0.6/AD6
7
P0.7/AD7
8
P1.0/ADC0/CCP1/RXD2
9
P1.1/ADC1/CCP0/TXD2
10
P1.2/ADC2/SS/ECI
11
P1.3/ADC3/MOSI
12
P1.4/ADC4/MISO
13
P1.5/ADC5/SCLK
14
P1.6/ADC6/RXD_3/XTAL2
15
P1.7/ADC7/TXD_3/XTAL1
16
P5.4/RST/MCLKO/SS_3
17
VCC
18
P5.5
19
GND
20
P3.0/RXD/INT4/T2CLKO
21
P3.1/TXD/T2
22
P3.2/INT0
23
P3.3/INT1
24
P3.4/T0/T1CLKO/ECI_2
25
P3.5/T1/T0CLKO/CCP0_2
26
P3.6/INT2/RXD_2/CCP1_2
27
P3.7/INT3/TXD_2/CCP2/CCP2_2
28
P4.1/MISO_3
29
P4.2/WR
30
P4.4/RD
31
P2.0/A8/RSTOUT_LOW
32
P2.1/A9/SCLK_2
33
P2.2/A10/MISO_2
34
P2.3/A11/MOSI_2
35
P2.4/A12/ECI_3/SS_2
36
P2.5/A13/CCP0_3
37
P2.6/A14/CCP1_3
38
P2.7/A15/CCP2_3
39
P4.5/ALE
40
U2
STC15F2K60S2_PDIP40
VCC
GND
1
2
P2
电源接口
GND
VCC
D1
100
R6
VCC
BEEP
1
2
3
4
P3
下载口
VCC
GND
TXD
RXD
TXD
RXD
S1
S2
GND
S3
K1
K2
K3
K1
K2
K3
1
2
3
P1
PT100
B
B
A
2K
R2
2K
R3
100R
R4
VCC
-Ro
1
-IN
2
+IN
3
-Vs
4
REF
5
OUTPUT
6
+Vs
7
+Ro
8
U1
AD623
GND GND
VCC
2K
R1
ADC0
ADC0
VCC
1
GND
2
SCL
3
SDA
4
U3
0.96 OLED
VCC
GND
SCL
SDA
SCL
SDA
