1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2017/4/7 Sheet of
File: E:\创新作品区\..\基于单片机的自动火灾报警系统.SchDocDrawn By:
1
2
3
P1
DS18B20
GND
4.7K
R1
VCC
DSIO
1
2
3
4
P4
下载口
VCC
GND
TXD
RXD
S1
12
Y1
XTAL
22pF
C2
22pF
C3
GND
X1
X2
C1
10uF
VCC
R3
10k
GND
RST
1
2
3
4
5
6
7
8
9
P2
排阻
VCC
T2/P1.0
1
T2EX/P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
RXD/P3.0
10
TXD/P3.1
11
INT0 /P3.2
12
INT1 /P3.3
13
T0/P3.4
14
T1/P3.5
15
WR/P3.6
16
RD/P3.7
17
XTAL2
18
XTAL1
19
GND
20
P2.0/A8
21
P2.1/A9
22
P2.2/A10
23
P2.3/A11
24
P2.4/A12
25
P2.5/A13
26
P2.6/A14
27
P2.7/A15
28
PSEN
29
ALE
30
EA
31
P0.7/AD7
32
P0.6/AD6
33
P0.5/AD5
34
P0.4/AD4
35
P0.3/AD3
36
P0.2/AD2
37
P0.1/AD1
38
P0.0/AD0
39
VCC
40
U2
STC89C52RC
P00
P01
P02
P03
P04
P05
P06
P07
VCC
GND
GND
P25
P26
P27
VCC
P00
P01
P02
P03
P04
P05
P06
P07
P25
P26
P27
10K
R2
RST
TXD
RXD
GND
X1
X2
GND
1
VCC
2
VO
3
RS
4
RW
5
E
6
DB0
7
DB1
8
DB2
9
DB3
10
DB4
11
DB5
12
DB6
13
DB7
14
BG/VCC
15
BG/GND
16
U1
LCD1602
GND
0
1
1
D+
2
D-
3
VCC
4
JP1
USB_DC
GND
VCC
KEY1
S2
KEY2
S3
GND
KEY3
KEY1
KEY2
KEY3
设置
加
减
Q1
8550
LS1
Bell
100
R5
100
R4
VCC
GND
BEEP
BEEP
1
2
3
4
P3
烟雾传感器
VCC
GND
ADC0
CS
1
CH0
2
CH1
3
GND
4
DI
5
DO
6
CLK
7
VCC
8
U3
ADC0832
VCC
GND
ADC0
CS
CLK
DO
DI
DSIO
CS
CLK
DO
PIC101
PIC102
COC1
PIC201
PIC202
COC2
PIC301
PIC302
COC3
PIJP100
PIJP101
PIJP102
PIJP103
PIJP104
COJP1
PILS101
PILS102
COLS1
PIP101 PIP102 PIP103
COP1
PIP201
PIP202
PIP203
PIP204
PIP205
PIP206
PIP207
PIP208
PIP209
COP2
PIP301
PIP302
PIP303
PIP304
COP3
PIP401
PIP402
PIP403
PIP404
COP4
PIQ101
PIQ102
PIQ103
COQ1
PIR101PIR102
COR1
PIR201PIR202
PIR203
COR2
PIR301
PIR302
COR3
PIR401PIR402
COR4
PIR501
PIR502
COR5
PIS101 PIS102
COS1
PIS201 PIS202
COS2
PIS301 PIS302
COS3
PIU101 PIU102 PIU103 PIU104 PIU105 PIU106 PIU107 PIU108 PIU109
PIU1010 PIU1011 PIU1012 PIU1013 PIU1014 PIU1015 PIU1016
COU1
PIU201
PIU202
PIU203
PIU204
PIU205
PIU206
PIU207
PIU208
PIU209
PIU2010
PIU2011
PIU2012
PIU2013
PIU2014
PIU2015
PIU2016
PIU2017
PIU2018
PIU2019
PIU2020 PIU2021
PIU2022
PIU2023
PIU2024
PIU2025
PIU2026
PIU2027
PIU2028
PIU2029
PIU2030
PIU2031
PIU2032
PIU2033
PIU2034
PIU2035
PIU2036
PIU2037
PIU2038
PIU2039
PIU2040
COU2
PIU301
PIU302
PIU303
PIU304 PIU305
PIU306
PIU307
PIU308
COU3
PIY101
PIY102
COY1
PIP301
PIU302
NLADC0
PIR402
PIU201
NLBEEP
PIU206
PIU307
NLCLK
PIU205
PIU301
NLCS
PIU207
PIU305
PIU306
NLDI
NLDO
PIP102
PIR102
PIU2023
NLDSIO
PIC201
PIC301
PIJP100
PIP101
PIP303
PIP401
PIR202
PIR301
PIR501
PIS101
PIS201
PIS301
PIU101
PIU1016
PIU2020
PIU304
NLGND
PIS102
PIU202
NLKEY1
PIS202
PIU203
NLKEY2
PIS302
PIU204
NLKEY3
PIJP101
PIJP102
PIJP103
PILS101
PIQ103
PILS102
PIR502
PIP302
PIQ102
PIR401
PIR201
PIR203
PIU103
PIU208
PIU2012
PIU2013
PIU2014
PIU2015
PIU2016
PIU2017
PIU2021
PIU2022
PIU2024
PIU2025
PIU2029
PIU2030
PIU2031
PIU303
PIP202
PIU107
PIU2039
NLP00
PIP203
PIU108
PIU2038
NLP01
PIP204
PIU109
PIU2037
NLP02
PIP205
PIU1010
PIU2036
NLP03
PIP206
PIU1011
PIU2035
NLP04
PIP207
PIU1012
PIU2034
NLP05
PIP208
PIU1013
PIU2033
NLP06
PIP209
PIU1014
PIU2032
NLP07
PIU104
PIU2026
NLP25
PIU105
PIU2027
NLP26
PIU106
PIU2028
NLP27
PIC102
PIR302
PIU209
NLRST
PIP403
PIU2010
NLRXD
PIP402
PIU2011
NLTXD
PIC101
PIJP104
PIP103
PIP201
PIP304
PIP404
PIQ101
PIR101
PIU102
PIU1015
PIU2040
PIU308
PIC202
PIU2019
PIY101
NLX1
PIC302
PIU2018
PIY102
NLX2
