1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2017/4/14 Sheet of
File: E:\创新作品区\..\智能无线遥控门铃设计.SchDocDrawn By:
12
Y1
XTAL
22pF
C2
22pF
C3
GND
X1
X2
C1
10uF
VCC
R1
10k
GND
RST
GND
VCC
X1
X2
RST
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
1
2
3
4
P2
下载口
VCC
GND
P30
P31
BUSY
1
DM
2
DP
3
GND
4
DACR
5
DACL
6
RX
7
TX
8
5V
9
SPK1
10
SPK2
11
IO5
12
IO4
13
IO3
14
IO2
15
IO1
16
U1
MY2490-16P
1
2
P1
喇叭
VCC
GND
OUT
1
GND
2
VCC
3
U3
红外接收
VCC
GND
IRD
R2
10k
GND
0
1
1
D+
2
D-
3
VCC
4
JP1
USB_DC
GND
VCC
P30
P31
P30
P31
IRD
R4
100
GND
D1
1N4148
DC
1
DC
3
COM
2
X2
4
X1
5
K1 继电器
1
2
3
P4
Header 3
K1
D2
LED
R3
100
Q1
8550
K1
1
2
3
P3
Header 3
VCC
GND
VCC
K1
PIC101
PIC102
COC1
PIC201 PIC202
COC2
PIC301 PIC302
COC3
PID101PID102
COD1
PID20APID20K
COD2
PIJP100
PIJP101
PIJP102
PIJP103
PIJP104
COJP1
PIK101
PIK102
PIK103
PIK104
PIK105
COK1
PIP101
PIP102
COP1
PIP201
PIP202
PIP203
PIP204
COP2
PIP301
PIP302
PIP303
COP3
PIP401
PIP402
PIP403
COP4
PIQ101
PIQ102
PIQ103
COQ1
PIR101
PIR102
COR1
PIR201PIR202
COR2
PIR301PIR302
COR3
PIR401 PIR402
COR4
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
COU3
PIY101
PIY102
COY1
PIC201
PIC301
PIJP100
PIP201
PIP302
PIQ103
PIR101
PIU104
PIU2020
PIU302
PIR202
PIU2012
PIU301
NLIRD
PIP301
PIR301 PIR401
PIU2021
NLK1
PIU2039
PIU2038
PIU2037
PIU2036
PIU2035
PIU2034
PIU2033
PIU2032
PIU2031
PIU2030
PIU2029
PIU2028
PIU2027
PIU2026
PIU2025
PIU2024
PIU2023
PIU2022
PIU2017
PIU2016
PIU2015
PIU2014
PIU2013
PIU208
PIU207
PIU206
PIU205
PIU204
PIU203
PIU202
PIU201
PIU1016
PIU1015
PIU1014
PIU1013
PIU1012
PIU106
PIU105
PIU103
PIU102
PIU101
PIQ102
PIR402
PIP102
PIU1010
PIP101
PIU1011
PIK105
PIP401
PIK104
PIP403
PIK102 PIP402
PIJP103
PIJP102
PIJP101
PID20K
PIR302
PID101
PIK103
PIQ101
PIP203
PIU108
PIU2010
NLP30
PIP202
PIU107
PIU2011
NLP31
PIC102
PIR102
PIU209
NLRST
PIC101
PID102
PID20A
PIJP104
PIK101
PIP204
PIP303
PIR201
PIU109
PIU2040
PIU303
PIC202
PIU2019
PIY101
NLX1
PIC302
PIU2018
PIY102
NLX2