5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
LED1
LED2
LED3
LED4
RST
INT0
ISP_RX
X1
X2
X1
X2
LED5
LED6
LED7
LED8
ISP_TX
LED9
LED10
LED11
LED12
LED13
LED14
LED15
LED16
RST
VCC
ISP_TX
ISP_RX
GND
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
LED9
LED10
LED11
LED12
LED13
LED14
LED15
LED16
INT0
VCC
VCC
VCC
VCC
VCCVCC
Title
Size Document Number Rev
Date: Sheet
of
镜镜镜镜
LED
屏
A4
1 1Thursday, May 29, 2008
Title
Size Document Number Rev
Date: Sheet
of
镜镜镜镜
LED
屏
A4
1 1Thursday, May 29, 2008
Title
Size Document Number Rev
Date: Sheet
of
镜镜镜镜
LED
屏
A4
1 1Thursday, May 29, 2008
51
高高高高高
D1 LEDD1 LED
D15 LEDD15 LED
D9 LEDD9 LED
Y1
12M
Y1
12M
D16 LEDD16 LED
D5 LEDD5 LED
D10 LEDD10 LED
U6
MH249
U6
MH249
GND
3
VDD
1
OUT
2
D4 LEDD4 LED
J1
CON4
J1
CON4
1
2
3
4
D6 LEDD6 LED
D11 LEDD11 LED
D7 LEDD7 LED
D12 LEDD12 LED
D3 LEDD3 LED
10k10k
30p30p
8051-40
U5
8051-40
U5
PSEN
29
ALE
30
VCC
40
GND
20
EA
31
X1
19
X2
18
RST
9
P0.0/AD0
39
P0.1/AD1
38
P0.2/AD2
37
P0.3/AD3
36
P0.4/AD4
35
P0.5/AD5
34
P0.6/AD6
33
P0.7/AD7
32
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
P2.0/A8
21
P2.1/A9
22
P2.2/A10
23
P2.3/A11
24
P2.4/A12
25
P2.5/A13
26
P2.6/A14
27
P2.7/A15
28
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
D8 LEDD8 LED
D13 LEDD13 LED
+
C30
10u
+
C30
10u
12
R251 R251
30p30p
D14 LEDD14 LED
D2 LEDD2 LED
R1
5k
R1
5k
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