1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2017/5/4 Sheet of
File: E:\创新作品区\..\智能火灾报警系统设计.SchDocDrawn By:
1
2
3
P1
DS18B20
GND
VCC
DSIO
1
2
3
4
P5
下载口
VCC
GND
TXD
RXD
S1
12
Y1
XTAL
22pF
C2
22pF
C3
GND
X1
X2
C1
10uF
VCC
R2
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
U1
STC89C52RC
RST
TXD
RXD
GND
X1
X2
GND
0
1
1
D+
2
D-
3
VCC
4
JP1
USB_DC
GND
VCC
KEY1
S2
KEY2
S3
GND
KEY3
KEY1
KEY2
KEY3
点阵显示模式切换
温度最大值加
温度最大值减
Q1
8550
LS1
Bell
100
R4
100
R3
VCC
GND
BEEP
1
2
3
4
P4
烟雾传感器
VCC
GND
ADC0
CS
1
CH0
2
CH1
3
GND
4
DI
5
DO
6
CLK
7
VCC
8
U2
ADC0832
VCC
GND
ADC0
CS
CLK
DO
DI
S4
S5
S6
KEY4
KEY5
KEY6
浓度最大值加
浓度最大值减
紧急报警
KEY4
KEY5
KEY6
1
2
3
4
5
6
7
8
9
P3
点阵接口
A
B
C
D
R1
LATCH
SCK
VCC
GND
A
B
C
D
R1
LATCH
SCK
R1
10k
DSIO
BEEP
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
PIP305
PIP306
PIP307
PIP308
PIP309
COP3
PIP401
PIP402
PIP403
PIP404
COP4
PIP501
PIP502
PIP503
PIP504
COP5
PIQ101
PIQ102
PIQ103
COQ1
PIR101PIR102
COR1
PIR201
PIR202
COR2
PIR301PIR302
COR3
PIR401
PIR402
COR4
PIS101 PIS102
COS1
PIS201 PIS202
COS2
PIS301 PIS302
COS3
PIS401 PIS402
COS4
PIS501 PIS502
COS5
PIS601 PIS602
COS6
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIU1014
PIU1015
PIU1016
PIU1017
PIU1018
PIU1019
PIU1020 PIU1021
PIU1022
PIU1023
PIU1024
PIU1025
PIU1026
PIU1027
PIU1028
PIU1029
PIU1030
PIU1031
PIU1032
PIU1033
PIU1034
PIU1035
PIU1036
PIU1037
PIU1038
PIU1039
PIU1040
COU1
PIU201
PIU202
PIU203
PIU204 PIU205
PIU206
PIU207
PIU208
COU2
PIY101
PIY102
COY1
PIP202
PIP305
PIU1039
NLA
PIP401
PIU202
NLADC0
PIP203
PIP306
PIU1038
NLB
PIR302
PIU1017
NLBEEP
PIP204
PIP307
PIU1037
NLC
PIU1022
PIU207
NLCLK
PIU1021
PIU201
NLCS
PIP205
PIP308
PIU1036
NLD
PIU1023
PIU205
PIU206
NLDI
NLDO
PIP102
PIR102
PIU1028
NLDSIO
PIC201
PIC301
PIJP100
PIP101
PIP301
PIP403
PIP501
PIR201
PIR401
PIS101
PIS201
PIS301
PIS401
PIS501
PIS601
PIU1020
PIU204
NLGND
PIS102
PIU103
NLKEY1
PIS202
PIU104
NLKEY2
PIS302
PIU105
NLKEY3
PIS402
PIU106
NLKEY4
PIS502
PIU107
NLKEY5
PIS602
PIU108
NLKEY6
PIP304
PIU101
NLLATCH
PIU203
PIU1031
PIU1030
PIU1029
PIU1027
PIU1026
PIU1025
PIU1024
PIU1016
PIU1015
PIU1014
PIU1013
PIU1012
PIQ102
PIR301
PIP402
PIP209
PIU1032
PIP208
PIU1033
PIP207
PIU1034
PILS102
PIR402
PILS101
PIQ103
PIJP103
PIJP102
PIJP101
PIP206
PIP309
PIU1035
NLR1
PIC102
PIR202
PIU109
NLRST
PIP503
PIU1010
NLRXD
PIP303
PIU102
NLSCK
PIP502
PIU1011
NLTXD
PIC101
PIJP104
PIP103
PIP201
PIP302
PIP404
PIP504
PIQ101
PIR101
PIU1040
PIU208
PIC202
PIU1019
PIY101
NLX1
PIC302
PIU1018
PIY102
NLX2