1
1
2
2
3
3
4
4
D D
C C
B B
A A
XAL1
XAL2
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
RST
K1
模式键
K2
加速键
K3
减速键
Y1
12M
C3
22p
C2
22p
RST1+5V
C1
10uF
R1
10k
XAL1
XAL2
RST
LED1
LED_RED
1
2
3
DC1
DC_Socket
S1
KFT DIP-8X8
+5V
R2
1k
2
3
4
5
6
7
8
9
Com
1
RP1
10k
+5V
P1.0/T2
1
P1.1/T2EX
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST/VPD
9
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
30
EA/Vpp
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
P3.0/RXD
10
U1
AT89C52
1
2
3
4
J1
Pin HDR1X4
P3.0
P3.1
P2.1
P2.4
P2.5
R3 100
LED2
LED_RED
R10
470
VCC
VCC
LED3
LED_RED
R11
470
LED4
LED_RED
R12
470
LED5
LED_RED
R13
470
LED6
LED_RED
R14
470
LED7
LED_RED
R15
470
LED8
LED_RED
R16
470
LED9
LED_RED
R17
470
LED10
LED_RED
R18
470
LED11
LED_RED
R19
470
LED12
LED_RED
R20
470
LED13
LED_RED
R21
470
LED14
LED_RED
R22
470
LED15
LED_RED
R23
470
LED16
LED_RED
R24
470
LED17
LED_RED
R25
470
a
bf
c
g
d
e
10
9
8
5
4
2
3
a
b
c
d
e
f
g
7
dp
dp
1
6
AA
SEG1
0.36IN-1-K
R4 100
R5 100
R6 100
R7 100
R8 100
R9 100
+5V
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
+5V
复位电路
晶振电路
+5V
电源电路
独立按键
数码管显示电路
程序下载口
流水灯