Post on 04-Oct-2015
description
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
AD0AD1AD2AD3AD4AD5AD6AD7
AD7AD6AD5AD4AD3AD2AD1AD0
AD3AD4
AD6AD7
AD5
AD1AD0
AD2
DIGIT3DIGIT2
DIGIT4
DIGIT1
LED3LED2LED1
UPDOWN
LED1
LED2
LED3
UP
DOWN
ADC_CSADC_RDADC_WR
CLKIN
ADC_DONED0D1D2D3D4D5D6D7
VIN
VIN
CLKIN
D0D1D2D3D4D5D6D7
DIGIT1DIGIT2DIGIT3DIGIT4ADC_CSADC_RDADC_WRADC_DONE
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
Title
Size Document Number Rev
Date: Sheet of
B
1 1Wednesday, December 23, 2009
Title
Size Document Number Rev
Date: Sheet of
B
1 1Wednesday, December 23, 2009
Title
Size Document Number Rev
Date: Sheet of
B
1 1Wednesday, December 23, 2009
U1
AT89S52
U1
AT89S52
RST9
XTAL218XTAL119
GND20
PSEN 29ALE/PROG 30
EA/VPP 31
VCC 40P1.0 (T2)1P1.1 (T2 EX)2P1.23P1.34P1.45P1.5 (MOSI)6P1.6 (MISO)7P1.7 (SCK)8
P2.0/A8 21P2.1/A9 22
P2.2/A10 23P2.3/A11 24P2.4/A12 25P2.5/A13 26P2.6/A14 27P2.7/A15 28
P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.4/T014P3.5/T115P3.6/WR16P3.7/RD17
P0.0/AD0 39P0.1/AD1 38P0.2/AD2 37P0.3/AD3 36P0.4/AD4 35P0.5/AD5 34P0.6/AD6 33P0.7/AD7 32
Q4A1015Q4A1015
R1 330R1 330
R9 330R9 330
J1
SUPLY
J1
SUPLY
12
R6
10K
R6
10K
1 23456789
SW2SW2
D4 LEDD4 LED
R14 330R14 330
R19
47K
R19
47K
Y112MHz
Y112MHz
L1 10uHL1 10uH
R3 330R3 330
R210KR210K
Q1A1015
Q1A1015
R10 330R10 330
R15
47K
R15
47K
R20
10K
R20
10K
C1
33
C1
33
D1 LEDD1 LED
R11 330R11 330
C4
104
C4
104
R16
10K
R16
10K
Q2A1015
Q2A1015
C7 104C7 104
R4 330R4 330
R21
47K
R21
47K
C2
33
C2
33
R7 330R7 330
R251MR251M
U3
ADC0804
U3
ADC0804
+IN6-IN7
AGND8VREF/29GND10 DB7 11
DB6 12DB5 13DB4 14DB3 15DB2 16DB1 17DB0 18
CLKR 19VCC/VREF 20
CLKIN4
INTR5
CS1RD2WR3
D2 LEDD2 LED
R12 330R12 330
SW3UP
SW3UP
R26 10KR26 10K
+ C510uF
+ C510uF
R17
47K
R17
47K
8
8
8
8
.
.
.
.
K1
8
8
8
8
.
.
.
.
K1
e 1
d 2
p 3
c 4
g 5Led16
b 7
Led28
Led39
f 10
a 11Led412
Q3A1015
Q3A1015
R22
10K
R22
10K
+C3
10uF
+C3
10uF
R8 330R8 330
R5 330R5 330
D3 LEDD3 LED
R13 330R13 330
SW4DOWN
SW4DOWN
R27
10K
R27
10K
C6
150pF
C6
150pF
R18
10K
R18
10K
U2
LM35
U2
LM35
Vin1 Vout 2
G
N
D
3