1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2021/12/21 Sheet of
File: E:\电路城（51单片机）\俄罗斯方块\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
S1
SW-PB
S2
SW-PB
S3
SW-PB
S4
SW-PB
S5
SW-PB
S6
SW-PB
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
GND
P11
P12
P13
P14
P15
DIN
1
DIG0
2
DIG4
3
SEG DP
22
SEG D
23
DOUT
24
GND
4
SEG E
21
DIG6
5
DIG2
6
DIG3
7
ISET
18
V+
19
SEG C
20
DIG7
8
SEG G
17
GND
9
DIG5
10
DIG1
11
SEG A
14
SEG F
15
SEG B
16
LOAD
12
CLK
13
U2
MAX7219
GND
VCC
DIN
1
DIG0
2
DIG4
3
SEG DP
22
SEG D
23
DOUT
24
GND
4
SEG E
21
DIG6
5
DIG2
6
DIG3
7
ISET
18
V+
19
SEG C
20
DIG7
8
SEG G
17
GND
9
DIG5
10
DIG1
11
SEG A
14
SEG F
15
SEG B
16
LOAD
12
CLK
13
U3
MAX7219
GND
VCC
P32
P33 P34
P35
P36 P37
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
DS1
点阵
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
DS2
点阵
SA0
SB0
SC0
SD0
SE0
SF0
SG0
SH0
W0
W1
W2
W3
W4
W5
W6
W7
SA1
SB1
SC1
SD1
SE1
SF1
SG1
SH1
W8
W9
W10
W11
W12
W13
W14
W15
SA0
SB0
SC0
SD0
SE0
SF0
SG0
SH0
SA1
SB1
SC1
SD1
SE1
SF1
SG1
SH1
W0
W1
W2
W3
W4
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
