1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2020/6/1 星期一 Sheet of
File: J:\办公2020\电子钟6.1\数码管\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
Vin Vout
GND
VR1
Volt Reg
30pF
C2
Cap
10uF
C1
Cap Pol1
30pF
C3
Cap
10K
R1
Res2
0.1uF
C5
Cap
100uF
C4
Cap Pol1
0.1uF
C7
Cap
100uF
C6
Cap Pol1
1
2
P1
电源接口
GND
GND
VCC
VCC
1
2
3
4
5
6
7
8
9
RP1
RESP
S10
SW-PB
A
B
C
D
E
F
G
DP
1
2
3
4
5
6
U3
A
1
B
2
C
3
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
E1
6
E2
4
E3
5
U2
74138
GND
VCC
X1
2
VCC1
8
VCC2
1
RST
5
SCLK
7
I/O
6
X2
3
U4
DS1302
VCC
1 2
Y2
XTAL
RST
SCLK
IO
RST
SCLK
IO
S1
SW-PB
S2
SW-PB
S3
SW-PB
GND
K1
K2
K3
K1
K2
K3
S4
SW-PB
S5
SW-PB
S6
SW-PB
S7
SW-PB
S8
SW-PB
S9
SW-PB
GND
K4 K5 K6 K7 K8 K9
K4
K5
K6
K7
K8
K9
电源
按键电路
按键电路
时钟芯片
显示电路
PI001
PI002
PI003
PI005
PI006
PI007
PI008
CO
PI001
PI002
PI003
PI004
PI005
PI006
PI007
PI009
PI0010
PI0011
PI0012
PI0013
PI0014
PI0015
PI001
PI002
PI003 PI004 PI005 PI006PI00A PI00B
PI00C
PI00D
PI00DP
PI00E PI00F PI00G
PI001
PI002
PI003
PI004
PI005
PI006
PI007
PI008
PI009
PIC?01
PIC?02 PIC?01
PIC?02PIC?01
PIC?02 PIC?01
PIC?02
PIC?01
PIC?02
PIC?01
PIC?02
PIC?01
PIC?02
PIP?01
PIP?02
PIR?01
PIR?02
PIS?01 PIS?02PIS?01 PIS?02PIS?01 PIS?02
PIS?01
PIS?02
PIS?01 PIS?02PIS?01 PIS?02
PIS?01 PIS?02
PIS?01 PIS?02
PIS?01 PIS?02
PIS?01
PIS?02
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
PIVR?01
PIVR?02
PIVR?03
PIY101
PIY102
PIY101
PIY102
PI004
PI005
PIC?01
PIC?02
PIP?01
PIR?01
PIS?01
PIU?020
PIVR?02
PI006
PIU?08
NL
PIS?02 PIU?01
NL
PIS?02
PIU?02
NL
PIS?02
PIU?03
PIU?017
NL
PIS?02
PIU?012
NL
PIS?02
PIU?013
NL
PIS?02
PIU?014
NL
PIS?02
PIU?015
NL
PIS?02
PIU?016
NL
PIS?02
NL
PI001
PI0015
PIU?021
PI002
PIY102
PI0014
PI00A
PIU?039
PIU?022
PI003
PIY101
PI0013
PI00B
PIU?038
PIU?023
PI004
PI0012
PI00C
PIU?037
PI005
PI0011
PI00D
PIU?036
PI006
PI0010
PI00E
PIU?035
PI007
PI00F
PIU?034
PI008
PI00G
PIU?033
PI009
PI00DP
PIU?032
PIC?01 PIC?02
PIP?02
PIVR?01
PIC?02
PIU?019
PIY102
PIU?018
PIY101
PIR?02
PIS?01
PIU?09
PIU?04
PIU?05
PIU?010
PIU?011
PIU?024
PIU?025
PIU?026
PIU?027
PIU?028
PIU?029
PIU?030
PI005
PIU?06
NL
PI007
PIU?07
NL
PI001
PI006
PI008
PIC?01 PIC?02
PIS?02
PIU?031
PIU?040
PIVR?03