1
1
2
2
3
3
4
4
D D
C C
B B
A A
P10
1
P11
2
P12
3
P13
4
P14
5
P15
6
P16
7
P17
8
REST
9
P30
10
P31
11
P32
12
P33
13
P34
14
P35
15
P36
16
P37
17
XTAL2
18
XTAL1
19
GND
20
P20
21
P21
22
P22
23
P23
24
P24
25
P25
26
P26
27
P27
28
PSEN
29
ALE/PROG
30
EA/VPP
31
P07
32
P06
33
P05
34
P04
35
P03
36
P02
37
P01
38
P00
39
VCC
40
U1
STC89C51
VCC
GND
K2
R3
10K
C1
10uF
VCC
RST
复位电路
1 2
Y1
12M
C5 30p
X1
X2
时钟电路
P10
P11
RST
X1
X2
P35
P36
P37
P20
P21
P22
P23
单片机
1
2
3
J1
GND
VCC
5V电源
P34
K1 P10
P30
P31
P32
P33
P24
P25
P26
P27
P12
P13
P14
P15
P16
P17
C4 30p
VCC
GND
P30
P31
1
2
3
4
P2
Header 4
下载接口
SW1
SW-SPST
VCC
GND
VCC
GND
VCC
P00
P01
P02
P03
P04
P05
P06
P07
GND
GND
1
VCC
2
VO
3
RS
4
RW
5
EN
6
DO
7
D1
8
D2
9
D3
10
D4
11
D5
12
D6
13
D7
14
A
15
16
P1
LCD1602
LCD1602液晶显示模块
3K
R1
P25
P26
P27
P00
P01
P02
P03
P04
P05
P06
P07
1
2
3
4
5
6
7
8
9
PR1
8 10K
A
1
B
2
LS1
Q2
8550
GND
VCC
R6 1K
L2
R4
1K
GND
1
DQ
2
VCC
3
DS18B20
U3
DS18B20
R5
4K7
GND
VCC
P32
DS18B20
GND
1
TRIG
2
OUT
3
RESET
4
CONT
5
THRES
6
DISCH
7
VCC
8
U2
NE555
Q1
8050
VCC
VCC
P35
1
2
P3
Header 2
GND
VCC
C2
104
C3
104
GND
GND
P15
P0C101 P0C102
P0C201 P0C202
P0C301 P0C302
P0C401 P0C402
P0C501 P0C502
P0J101 P0J102 P0J103
P0K101 P0K102
P0K201 P0K202
P0L201 P0L202
P0LS101
P0LS102
P0P101
P0P102
P0P103
P0P104
P0P105
P0P106
P0P107
P0P108
P0P109
P0P1010
P0P1011
P0P1012
P0P1013
P0P1014
P0P1015
P0P1016
P0P201
P0P202
P0P203
P0P204
P0P301
P0P302
P0PR101
P0PR102
P0PR103
P0PR104
P0PR105
P0PR106
P0PR107
P0PR108
P0PR109
P0Q101
P0Q102
P0Q103
P0Q201
P0Q202
P0Q203
P0R101 P0R102
P0R301 P0R302
P0R401 P0R402
P0R501 P0R502
P0R601 P0R602
P0SW101 P0SW102
P0U101
P0U102
P0U103
P0U104
P0U105
P0U106
P0U107
P0U108
P0U109
P0U1010
P0U1011
P0U1012
P0U1013
P0U1014
P0U1015
P0U1016
P0U1017
P0U1018
P0U1019
P0U1020
P0U1021
P0U1022
P0U1023
P0U1024
P0U1025
P0U1026
P0U1027
P0U1028
P0U1029
P0U1030
P0U1031
P0U1032
P0U1033
P0U1034
P0U1035
P0U1036
P0U1037
P0U1038
P0U1039
P0U1040
P0U201
P0U202
P0U203
P0U204
P0U205
P0U206
P0U207
P0U208
P0U301
P0U302
P0U303
P0Y101
P0Y102
P0C201
P0C301
P0C401
P0C501
P0J102
P0K101
P0P101
P0P1016
P0P201
P0Q203
P0R101
P0R302
P0U1020
P0U201
P0U301
P0C202
P0P301
P0U202
P0U206
P0C302
P0U205
P0J101
P0SW101
P0J103
P0L201
P0R402
P0L202
P0LS102
P0Q201
P0P103
P0R102
P0P302
P0Q101
P0U207
P0Q202 P0R602
P0U1029
P0U1030
P0P107
P0PR102
P0U1039 N0P00
N0P00
P0P108
P0PR103
P0U1038 N0P01
N0P01
P0P109
P0PR104
P0U1037 N0P02
N0P02
P0P1010
P0PR105
P0U1036 N0P03
N0P03
P0P1011
P0PR106
P0U1035
N0P04
N0P04
P0P1012
P0PR107
P0U1034 N0P05
N0P05
P0P1013
P0PR108
P0U1033 N0P06
N0P06
P0P1014
P0PR109
P0U1032 N0P07
N0P07
P0K102
P0U101
N0P10
N0P10
P0U102
N0P11
P0U103
N0P12
P0U104
N0P13
P0U105
N0P14
P0R601
P0U106
N0P15
N0P15
P0U107
N0P16
P0U108
N0P17
P0U1021 N0P20
P0U1022
N0P21
P0U1023 N0P22
P0U1024 N0P23
P0U1025 N0P24
P0P104
P0U1026 N0P25
N0P25
P0P105
P0U1027 N0P26
N0P26
P0P106
P0U1028 N0P27
N0P27
P0P203
P0U1010
N0P30
N0P30
P0P202
P0U1011
N0P31
N0P31
P0R502
P0U1012
P0U302
N0P32
N0P32
P0U1013
N0P33
P0U1014
N0P34
P0Q102
P0U1015
P0U203
N0P35
N0P35
P0U1016
N0P36
P0U1017
N0P37
P0C102
P0K201
P0R301
P0U109
N0RST
N0RST
P0C101
P0K202
P0LS101
P0P102
P0P1015
P0P204
P0PR101
P0Q103
P0R401
P0R501
P0SW102
P0U1031
P0U1040
P0U204
P0U208
P0U303
P0C402
P0U1019
P0Y102
N0X1
N0X1
P0C502
P0U1018
P0Y101
N0X2
N0X2
P0C201
P0C301
P0C401
P0C501
P0J102
P0K101
P0P101
P0P1016
P0P201
P0Q203
P0R101
P0R302
P0U1020
P0U201
P0U301
P0C202
P0P301
P0U202
P0U206
P0C302
P0U205
P0J101
P0SW101
P0J103
P0L201
P0R402
P0L202
P0LS102
P0Q201
P0P103
P0R102
P0P302
P0Q101
P0U207
P0Q202 P0R602
P0U1029
P0U1030
N0P00
P0P107
P0PR102
P0U1039
N0P01
P0P108
P0PR103
P0U1038
N0P02
P0P109
P0PR104
P0U1037
N0P03
P0P1010
P0PR105
P0U1036
N0P04
P0P1011
P0PR106
P0U1035
N0P05
P0P1012
P0PR107
P0U1034
N0P06
P0P1013
P0PR108
P0U1033
N0P07
P0P1014
P0PR109
P0U1032
N0P10
P0K102
P0U101
N0P11
P0U102
N0P12
P0U103
N0P13
P0U104
N0P14
P0U105
N0P15
P0R601
P0U106
N0P16
P0U107
N0P17
P0U108
N0P20 P0U1021
N0P21
P0U1022
N0P22 P0U1023
N0P23 P0U1024
N0P24 P0U1025
N0P25
P0P104
P0U1026
N0P26
P0P105
P0U1027
N0P27
P0P106
P0U1028
N0P30
P0P203
P0U1010
N0P31
P0P202
P0U1011
N0P32
P0R502
P0U1012
P0U302
N0P33
P0U1013
N0P34
P0U1014
N0P35
P0Q102
P0U1015
P0U203
N0P36
P0U1016
N0P37
P0U1017
N0RST
P0C102
P0K201
P0R301
P0U109
P0C101
P0K202
P0LS101
P0P102
P0P1015
P0P204
P0PR101
P0Q103
P0R401
P0R501
P0SW102
P0U1031
P0U1040
P0U204
P0U208
P0U303
N0X1
P0C402
P0U1019
P0Y102
N0X2
P0C502
P0U1018
P0Y101