1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Title
Number RevisionSize
A3
Date: 2021/12/20 Sheet of
File: I:\办公2021下\叫号机12.20\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
1
2
3
4
5
6
7
8
9
RP1
RESP
S1
SW-PB
Q2
PNP
LS2
Speaker
VCC
GND
10K
R3
Res2
S2
SW-PB
S3
SW-PB
RXD
TXD
P32
P33
P34
P35
P36
P37
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
GND
P34
P35
D0
D1
D2
D3
D4
D5
D6
D7
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
OE
1
GND
10
Q7
12
Q6
13
Q5
14
Q4
15
Q3
16
Q2
17
Q1
18
Q0
19
VCC
20
LE
11
U2
74LS573
GND
VCC
D0
D1
D2
D3
D4
D5
D6
D7
P27
P26
P26
A
B
C
D
E
F
G
DP
1
2
3
4
5
6
DS1
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
OE
1
GND
10
Q7
12
Q6
13
Q5
14
Q4
15
Q3
16
Q2
17
Q1
18
Q0
19
VCC
20
LE
11
U3
74LS573
GND
VCC
D0
D1
D2
D3
D4
D5
D6
D7
P27
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
U4
80511 2
Y2
XTAL
30pF
C9
Cap
10uF
C8
Cap Pol1
30pF
C10
Cap
10K
R4
Res2
GND
VCC
1
2
3
4
5
6
7
8
9
RP2
RESP
S6
SW-PB
Q1
PNP
LS1
Speaker
VCC
GND
10K
R5
Res2
S4
SW-PB
S5
SW-PB
TXD
RXD
S4
S5
GND
S4
S5
E0
E1
E2
E3
E4
E5
E6
E7
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
OE
1
GND
10
Q7
12
Q6
13
Q5
14
Q4
15
Q3
16
Q2
17
Q1
18
Q0
19
VCC
20
LE
11
U5
74LS573
GND
VCC
P27-2
P26-2
P26-2
A
B
C
D
E
F
G
DP
1
2
3
4
5
6
DS2
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
OE
1
GND
10
Q7
12
Q6
13
Q5
14
Q4
15
Q3
16
Q2
17
Q1
18
Q0
19
VCC
20
LE
11
U6
74LS573
GND
VCC
P27-2
E0
E1
E2
E3
E4
E5
E6
E7
E0
E1
E2
E3
E4
E5
E6
E7
PI780501
PI780502
PI780503
CO
PIC101
PIC102
PIC201
PIC202
PIC301
PIC302
PIC401
PIC402 PIC501
PIC502 PIC601
PIC602
PIC701
PIC702
PIC801
PIC802
PIC901
PIC902
PIC1001
PIC1002
PIDS101 PIDS102 PIDS103
PIDS104
PIDS105 PIDS106PIDS10A PIDS10B PIDS10C PIDS10D
PIDS10DP
PIDS10E PIDS10F PIDS10G
PIDS201
PIDS202 PIDS203 PIDS204
PIDS205
PIDS206PIDS20A PIDS20B PIDS20C PIDS20D
PIDS20DP
PIDS20E PIDS20F PIDS20G
PILS101
PILS102
PILS201
PILS202
PIP101
PIP102
PIQ101
PIQ102
PIQ103
PIQ201
PIQ202
PIQ203
PIR101
PIR102
PIR301PIR302
PIR401
PIR402
PIR501
PIR502
PIRP101
PIRP102
PIRP103
PIRP104
PIRP105
PIRP106
PIRP107
PIRP108
PIRP109
PIRP201
PIRP202
PIRP203
PIRP204
PIRP205
PIRP206
PIRP207
PIRP208
PIRP209
PIS101
PIS102
PIS201 PIS202
PIS301 PIS302
PIS401
PIS402
PIS501
PIS502
PIS601
PIS602
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
PIU201
PIU202
PIU203
PIU204
PIU205
PIU206
PIU207
PIU208
PIU209
PIU2010 PIU2011
PIU2012
PIU2013
PIU2014
PIU2015
PIU2016
PIU2017
PIU2018
PIU2019
PIU2020
PIU301
PIU302
PIU303
PIU304
PIU305
PIU306
PIU307
PIU308
PIU309
PIU3010
PIU3011
PIU3012
PIU3013
PIU3014
PIU3015
PIU3016
PIU3017
PIU3018
PIU3019
PIU3020
PIU401
PIU402
PIU403
PIU404
PIU405
PIU406
PIU407
PIU408
PIU409
PIU4010
PIU4011
PIU4012
PIU4013
PIU4014
PIU4015
PIU4016
PIU4017
PIU4018
PIU4019
PIU4020
PIU4021
PIU4022
PIU4023
PIU4024
PIU4025
PIU4026
PIU4027
PIU4028
PIU4029
PIU4030
PIU4031
PIU4032
PIU4033
PIU4034
PIU4035
PIU4036
PIU4037
PIU4038
PIU4039
PIU4040
PIU501
PIU502
PIU503
PIU504
PIU505
PIU506
PIU507
PIU508
PIU509
PIU5010 PIU5011
PIU5012
PIU5013
PIU5014
PIU5015
PIU5016
PIU5017
PIU5018
PIU5019
PIU5020
PIU601
PIU602
PIU603
PIU604
PIU605
PIU606
PIU607
PIU608
PIU609
PIU6010 PIU6011
PIU6012
PIU6013
PIU6014
PIU6015
PIU6016
PIU6017
PIU6018
PIU6019
PIU6020
PIY101PIY102
PIY201
PIY202
PIRP102
PIU1039
PIU201 PIU301
NL
PIRP103
PIU1038
PIU202 PIU302
NL
PIRP104
PIU1037
PIU203 PIU303
NL
PIRP105
PIU1036
PIU204 PIU304
NL
PIRP106
PIU1035
PIU205 PIU305
NL
PIRP107
PIU1034
PIU206 PIU306
NL
PIRP108
PIU1033
PIU207 PIU307
NL
PIRP109
PIU1032
PIU208 PIU308
NL
PIRP202
PIU4039
PIU501 PIU601
NL
PIRP203
PIU4038
PIU502 PIU602
NL
PIRP204
PIU4037
PIU503 PIU603
NL
PIRP205
PIU4036
PIU504 PIU604
NL
PIRP206
PIU4035
PIU505 PIU605
NL
PIRP207
PIU4034
PIU506 PIU606
NL
PIRP208
PIU4033
PIU507 PIU607
NL
PIRP209
PIU4032
PIU508 PIU608
NL
PI780502
PIC201
PIC301
PIC402 PIC501 PIC602
PIC701
PIC901
PIC1001
PILS102
PILS202
PIP101
PIR101
PIR401
PIS201
PIS301
PIS401
PIS501
PIU1020
PIU2010 PIU3010
PIU4020
PIU5010 PIU6010
PI780501
PIC401 PIC502
PIP102
PIC102
PIR102
PIS101
PIU109
PIC202
PIU1018
PIY101
PIC302
PIU1019
PIY102
PIC802
PIR402
PIS601
PIU409
PIC902
PIU4018
PIY201
PIC1002
PIU4019
PIY202
PIDS101
PIU3019
PIDS102
PIU3018
PIDS103
PIU3017
PIDS104
PIU3016
PIDS105
PIU3015
PIDS106
PIU3014
PIDS10A
PIU2019
PIDS10B
PIU2018
PIDS10C
PIU2017
PIDS10D
PIU2016
PIDS10DP
PIU2012
PIDS10E
PIU2015
PIDS10F
PIU2014
PIDS10G
PIU2013
PIDS201
PIU6019
PIDS202
PIU6018
PIDS203
PIU6017
PIDS204
PIU6016
PIDS205
PIU6015
PIDS206
PIU6014
PIDS20A
PIU5019
PIDS20B
PIU5018
PIDS20C
PIU5017
PIDS20D
PIU5016
PIDS20DP
PIU5012
PIDS20E
PIU5015
PIDS20F
PIU5014
PIDS20G
PIU5013
PILS101
PIQ101
PILS201
PIQ201
PIQ102
PIR501
PIQ202
PIR301PIR302
PIU1024
PIR502
PIU4024
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU1021
PIU1022
PIU1023
PIU1025
PIU1026
PIU1029
PIU1030
PIU209 PIU309
PIU3012
PIU3013
PIU401
PIU402
PIU403
PIU404
PIU405
PIU406
PIU407
PIU408
PIU4012
PIU4013
PIU4021
PIU4022
PIU4023
PIU4025
PIU4026
PIU4029
PIU4030
PIU509 PIU609
PIU6012
PIU6013
PIU1027
PIU2011
NL
PIU4027
PIU5011
NL
PIU1028
PIU3011
NL
PIU4028
PIU6011
NL
PIU1012
NL
PIU1013
NL
PIS202
PIU1014
NL
PIS302
PIS502
PIU1015
NL
PIU1016
PIU4016
NL
PIU1017
PIU4017
NL
PIU1010
PIU4011
NL
PIS402
PIU4014
NL
PIU4015
NL
PIU1011
PIU4010
NL
PI780503
PIC101
PIC601
PIC702
PIC801
PIQ103
PIQ203
PIRP101
PIRP201
PIS102
PIS602
PIU1031
PIU1040
PIU2020
PIU3020
PIU4031
PIU4040
PIU5020 PIU6020
