1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2022/6/3 Sheet of
File: I:\办公2021\频率计1.11\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
U?
80511 2
Y1
XTAL
30pF
C2
Cap
10uF
C1
Cap Pol1
30pF
C3
Cap
10K
R1
Res2
GND
VCC
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
S2
SW-PB
S3
SW-PB
S4
SW-PB
S5
SW-PB
S6
SW-PB
S7
SW-PB
S8
SW-PB
S9
SW-PB
P14
P15
P16
P17
P10
P11
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
P00
P01
P02
P03
P04
P05
P06
P07
P27
P26
P25
P24
P23
P22
P21
P20
1
2
P2
输出接口
GND
P37
A
B
C
D
E
F
G
DP
1
2
3
4
5
6
DS1
P00
P01
P02
P03
P04
P05
P06
P07
P25
P24
P23
P22
P21
P20
PI780501
PI780502
PI780503
CO
PIB?01 PIB?02
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602 PIC701
PIC702
PID?01
PID?02
PIK?01
PIK?02
PIK?03
PIK?04
PIK?05
PIK?01
PIK?02
PIK?03
PIK?04
PIK?05
PILCD10A
PILCD10D0
PILCD10D1 PILCD10D2 PILCD10D3
PILCD10D4 PILCD10D5
PILCD10D6 PILCD10D7
PILCD10E
PILCD10GND PILCD10K
PILCD10RS PILCD10RWPILCD10V0
PILCD10VCC
PILS101
PILS102
PIP101
PIP102
PIP101
PIP102
PIP101
PIP102
PIQ101
PIQ102
PIQ103
PIQ101
PIQ102
PIQ103
PIQ101
PIQ102
PIQ103
PIR101
PIR102
PIR201
PIR202
PIR203
PIR301PIR302
PIR301PIR302
PIR301
PIR302
PIR301
PIR302
PIRP101
PIRP102
PIRP103
PIRP104
PIRP105
PIRP106
PIRP107
PIRP108
PIRP109
PIS101
PIS102
PIS201 PIS202 PIS301 PIS302 PIS401 PIS402 PIS501 PIS502
PIS601 PIS602 PIS701 PIS702 PIS801 PIS802 PIS901 PIS902
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
PI780502
PIC201
PIC301
PIC402 PIC501 PIC602 PIC701
PIK?05
PILCD10GND PILCD10K
PILS102
PIP101
PIR101
PIR201
PIU?020
PI780501
PIC401 PIC502
PIP102
PIB?01
PIK?01
PIB?02
PIP101
PIC102
PIR102
PIS101
PIU?09
PIC202
PIU?018
PIY101
PIC302
PIU?019
PIY102
PID?01
PIR301
PID?02
PIK?01
PIP101
PIK?02
PIK?03 PIP102
PIK?04
PIQ101
PILCD10D0
PILCD10D1 PILCD10D2 PILCD10D3
PILCD10D4 PILCD10D5
PILCD10D6 PILCD10D7
PILCD10E
PILCD10RS PILCD10RWPILCD10V0
PIR203
PILS101
PIQ101
PIQ102
PIR301PIR302
PIU?029
PIU?030
PIRP102
PIU?039
NL
PIRP103
PIU?038
NL
PIRP104
PIU?037
NL
PIRP105
PIU?036
NL
PIRP106
PIU?035
NL
PIRP107
PIU?034
NL
PIRP108
PIU?033
NL
PIRP109
PIU?032
NL
PIS202 PIS302 PIS402 PIS502
PIU?01
NL
PIS602 PIS702 PIS802 PIS902
PIU?02
NL
PIU?03
NL
PIS501
PIS901
PIU?04
NL
PIS201
PIS601
PIU?05
NL
PIS301
PIS701
PIU?06
NL
PIS401
PIS801
PIU?07
NL
PIU?08
NL
PIU?021
NL
PIU?022
NL
PIU?023
NL
PIU?024
NL
PIU?025
NL
PIU?026
NL
PIU?027
NL
PIU?028
NL
PIU?010
NL
PIU?011
NL
PIU?012
NL
PIU?013
NL
PIU?014
NL
PIU?015
NL
PIU?016
NL
PIU?017
NL
PI780503
PIC101
PIC601 PIC702
PILCD10A
PILCD10VCC
PIQ103
PIR202
PIR302
PIRP101
PIS102
PIU?031
PIU?040