p10
p11
p12
p13
p17
p16
p15
p14
p10
p11
p12
p13
p14
p15
p16
p17
p07
p06
p05
p04
p01
p00
p02
p03
p00
p01
p02
p03
p04
p05
p06
p07
p20
p21
p22
p23
p24
p25
p26
p27
RS
RW
E
p20
p21
p22
p23
p24
p25
p26
p27
E
RW
RS
XTAL2
18
XTAL1
19
ALE
30
EA
31
PSEN
29
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
P3.0/RXD
10
P3.1/TXD
11
P3.2/INT0
12
P3.3/INT1
13
P3.4/T0
14
P3.7/RD
17
P3.6/WR
16
P3.5/T1
15
P2.7/A15
28
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
U1
AT89C51
C1
30pF
C2
30pF
X1
CRYSTAL
C3
10uF
R1
10k
price¼Ó
price¼õ
num¼Ó
num¼õ
1
5
10
20
50
100
OK
NO
D1
LED-BLUE
D2
LED-BLUE
D3
LED-BLUE
D4
LED-BLUE
D5
LED-BLUE
D6
LED-BLUE
D7
LED-BLUE
D8
LED-BLUE
2
3
4
5
6
7
8
9
1
RP1
RESPACK-8
D7
14
D6
13
D5
12
D4
11
D3
10
D2
9
D1
8
D0
7
E
6
RW
5
RS
4
VSS
1
VDD
2
VEE
3
LCD1
LM016L
1ÔªÉÌÆ·
2ÔªÉÌÆ·
3ÔªÉÌÆ·
4ÔªÉÌÆ·
5ÔªÉÌÆ·
6ÔªÉÌÆ·
7ÔªÉÌÆ·
8ÔªÉÌÆ·