1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/7/17 Sheet of
File: E:\电路城\波形发生器(5种,调频)\原理图\Sheet1.SchDocDrawn By:
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST
9
P3.0/RXD
10
P3.1/TXD
11
P3.2/INT0
12
P3.3/INT1
13
P3.4/T0
14
P3.5/T1
15
P3.6/WR
16
P3.7/RD
17
XTAL2
18
XTAL1
19
GND
20
P2.0
21
P2.1
22
P2.2
23
P2.3
24
P2.4
25
P2.5
26
P2.6
27
P2.7
28
PSEN
29
ALE/PROG
30
EA
31
P0.7
32
P0.6
33
P0.5
34
P0.4
35
P0.3
36
P0.2
37
P0.1
38
P0.0
39
VCC
40
U1
80511 2
Y1
XTAL
30pF
C2
Cap
10uF
C1
Cap Pol1
30pF
C3
Cap
10K
R1
Res2
GND
VCC
15
A
14
D7
13
D6
12
D5
11
D4
10
D3
9
D2
8
D1
7
D0
6
E
5
RW
4
RS
3
V0
2
VCC
1
GND
16
K
LCD1602
LCD1
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
GND
P30
P31
P32
P33
P34
P35
P36
P37
P10
P11
P12
P13
P14
P15
P16
P17
Vin Vout
GND
7805
Volt Reg
0.1uF
C5
Cap
100uF
C4
Cap Pol1
0.1uF
C7
Cap
100uF
C6
Cap Pol1
1
2
P1
电源接口
GND
VCC
P34
P35
P37
P10
P11
P12
P13
P14
P15
P16
P17
P00
P01
P02
P03
P04
P05
P06
P07
S2
SW-PB
S3
SW-PB
GND
P32
P33
CS
1
WR
2
GND
3
DI3
4
DI2
5
DI1
6
DI0
7
VREF
8
RFB
9
GND
10
VCC
20
ILE
19
WR2
18
XFER
17
DI4
16
DI5
15
DI6
14
DI7
13
IOUT2
12
IOUT1
11
U2
DAC0832
VCC
GND
2
3
6
47
1
8
5
U3
Op Amp
VCC
GND
P36
P36
GND
P00
P01
P02
P03
P04
P05
P06
P07
1
2
P2
输出接口
GND
PI001
PI002
PI003
PI004
PI005
PI006
PI007
PI008
PI009
CO
PI00A
PI00D0 PI00D1
PI00D2
PI00D3 PI00D4 PI00D5 PI00D6
PI00D7
PI00E
PI00GND
PI00K
PI00RS
PI00RWPI00V0
PI00VCC
PI780501
PI780502
PI780503
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602 PIC701
PIC702
PID?01
PID?02
PILS?01
PILS?02
PIP101
PIP102
PIQ?01
PIQ?02
PIQ?03
PIR101
PIR102
PIR?01PIR?02
PIS101
PIS102
PIS201 PIS202 PIS301 PIS302 PIS401 PIS402 PIS501 PIS502
PIS601 PIS602 PIS701 PIS702 PIS801 PIS802 PIS901 PIS902
PIS1001 PIS1002 PIS1101 PIS1102 PIS1201 PIS1202 PIS1301 PIS1302
PIS1401 PIS1402 PIS1501 PIS1502 PIS1601 PIS1602 PIS1701 PIS1702
PIU?01
PIU?02
PIU?03
PIU?04
PIU?05
PIU?06
PIU?07
PIU?08
PIU?09
PIU?010
PIU?011
PIU?012
PIU?013
PIU?014
PIU?015
PIU?016
PIU?017
PIU?018
PIU?019
PIU?020
PIU?021
PIU?022
PIU?023
PIU?024
PIU?025
PIU?026
PIU?027
PIU?028
PIU?029
PIU?030
PIU?031
PIU?032
PIU?033
PIU?034
PIU?035
PIU?036
PIU?037
PIU?038
PIU?039
PIU?040
PIY101
PIY102
PI00GND
PI00K
PI00V0
PI780502
PIC201
PIC301
PIC402 PIC501 PIC602 PIC701
PILS?02
PIP101
PIR101
PIU?020
PI780501
PIC401 PIC502
PIP102
PIC102
PIR102
PIS101
PIU?09
PIC202
PIU?018
PIY101
PIC302
PIU?019
PIY102
PID?01
PID?02
PILS?01
PIQ?01
PIQ?02
PIR?01PIR?02
PIU?021
PIU?022
PIU?023
PIU?024
PIU?025
PIU?026
PIU?027
PIU?028
PIU?029
PIU?030
PI002
PIU?039
NL
PI003
PIU?038
NL
PI004
PIU?037
NL
PI005
PIU?036
NL
PI006
PIU?035
NL
PI007
PIU?034
NL
PI008
PIU?033
NL
PI00D0
PIS201
PIS601
PIS1001
PIS1401
PIU?01
NL
PI00D1
PIS301
PIS701
PIS1101
PIS1501
PIU?02
NL
PI00D2
PIS401
PIS801
PIS1201
PIS1601
PIU?03
NL
PI00D3
PIS501
PIS901
PIS1301
PIS1701
PIU?04
NL
PI00D4
PIS202 PIS302 PIS402 PIS502
PIU?05
NL
PI00D5
PIS602 PIS702 PIS802 PIS902
PIU?06
NL
PI00D6
PIS1002 PIS1102 PIS1202 PIS1302
PIU?07
NL
PI009
PI00D7
PIS1402 PIS1502 PIS1602 PIS1702
PIU?08
PIU?032
NL
PIU?010
NL
PIU?011
NL
PIU?012
NL
PIU?013
NL
PI00RW
PIU?014
NL
PI00E
PIU?015
NL
PIU?016
NL
PI00RS
PIU?017
NL
PI001
PI00A
PI00VCC
PI780503
PIC101
PIC601 PIC702
PIQ?03
PIS102
PIU?031
PIU?040
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