非常实用的单片机实验板电路图
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2009-03-17
23:26:05
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DOUTLOAD
DIN
DCLK
DISPLAY
DISPLAY.SchDoc
P1_0 (TIM2)
1
P1_1 (TIM2EX)
2
P1_2
3
P1_3
4
P1_4
5
P1_5 (MOSI)
6
P1_6 (MISO)
7
P1_7 (SCK)
8
RESET
9
P3_0 (RXD)
10
P3_1 (TXD)
11
P3_2 (INT0)
12
P3_3 (INT1)
13
P3_4 (TIM0)
14
P3_5 (TIM1)
15
P3_6 ( WR )
16
P3_7 ( RD )
17
X2 (OUT)
18
X1 (IN)
19
GND
20
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
PSEN
29
ALE / PROG
30
VPP / EA
31
P0_7 (AD7)
32
P0_6 (AD6)
33
P0_5 (AD5)
34
P0_4 (AD4)
35
P0_3 (AD3)
36
P0_2 (AD2)
37
P0_1 (AD1)
38
P0_0 (AD0)
39
VCC
40
U2
STC89C52
1
2
B1
Q1
S8550
GND
VCC
Vo
D/I
R/W
E
D0
D1
D2
D3
D4
D5
D6
D7
LED+
LED-
J1
GND
VCC
Vo
D/I
R/W
E
D0
D1
D2
D3
D4
D5
D6
D7
CSL
CSR
RST
VEE
LED+
LED-
J2
105
C2
20P
C4
Y1
11.0592M
1K
R28
1K
R15
10K
R1
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
P3.0
P3.1
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
S16
RESET
20P
C3
RESET
EA
PSEN
ALE
X1
X2
VCC
10K
R14
1K
R16
GND
VCC
VCC
GND
D0
D1
D2
D3
D4
D5
D6
D7
D/I
R/W
E
CSL
CSR
RST
Buzzer
GND
VCC
VCC
GND
D/I
R/W
E
VCC
VCC
VDD
VSS
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
J3
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
J4
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RESET
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
X2
X1
VSS
RXD
TXD
VDD
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
EA
ALE
PSEN
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
1KR17
1KR24
1KR23
1KR18
1KR19
1KR20
1KR21
1KR22
D0
D1
D2
D3
D4
D5
D6
D7
VCC
D/I
R/W
E
CSL
CSR
RST
SCL
SDA
E0
1
E1
2
E2
3
GND
4
SDA
5
SCL
6
WC
7
VCC
8
U4
AT24C02
2.2K
R25
2.2K
R26
VCC VCC
SCL SDA
DQ
2
GND
1
VCC
3
U3
DS18B20
CS
1
SCL
2
D
3
Q
4
GND
5
ORG
6
DU
7
VCC
8
U5
AT93C46
VCC
SDI SDO
SCK
DQ
CS
10KR27
VCC
X1
2
X2
3
VCC2
1
GND
4
RST
5
I/O
6
SCLK
7
VCC1
8
U6
DS1302Z
BT1
3V
Y2
32.768K
VCC
I/O
RST
SCLK
10K
R30
10K
R29
10K
R31
VCC
1
2
3
U8
10K
R34
VCC
Infrared
1
2
3
4
5
6
J5
PS2
VCC
10KR32
10KR33
PS2SDA
PS2SCL
C1+
1
VDD
2
C1-
3
C2+
4
C2-
5
VEE
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
U7
MAX232CSE
104
C7
104
C5
104
C6
104
C8
1
2
3
4
5
6
7
8
9
J7
COM
VCC
RXD
TXD
J6
S17
POWER
DOUTLOAD
DIN
DCLK
DOUT
1
2
3
J8
POWER
VBUS
1
D-
2
D+
3
GND
4
J9
VCC
DCLK
DIN
LOAD
SCLK
I/O
RST
10K
R35
SDO
SDI
SCK
CS
Infrared
Buzzer
DQ
104
C9
104
C10
104
C11
104
C12
104
C13
104
C14
104
C15
C16
100uF
VCC
http://www.weijay.com
WJ89C52
单片机开发板原理图
1
2
J10
PS2SCL
PS2SDA
F1
FUSE
200R36
1
2
3
4
5
6
7
8
9
R37 10K*8
VCC
D0
D1
D2
D3
D4
D5
D6
D7
D8
1K
R38
VCC
1 2
3 4
5 6
7 8
9 10
J11
ATISP
VCC
P1.5
RESET
P1.7
P1.6
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