60
YMC-700/YMC-500
YMC-70
0/YMC-50
0
IN1
IN2
IN3
MUX
T/H
VA
8-Bit
SUCCESSIVE
APPROXIMATION
ADC
GND
IN4
GND
SCLK
CONTROL
LOGIC
CS
DIN
DOUT
CS
1
VA
2
GND
3
IN4
4
IN3
5
SCLK
ADC084S021
10
DOUT
9
DIN
8
IN1
7
IN2
6
+2.2k
+4.7k
+8.2k
+27.0k
0 – 0.05
0.52 – 0.67
1.27 – 1.42
1.92 – 2.07
2.60 – 2.76
0 – 4
40 – 52
98 – 110
148 – 160
201 – 213
〈
(LEFT)
︿
(UP)
〉
(RIGHT)
﹀
(DOWN)
ENTER
+10.0k
0 – 0.05
1.57 – 1.72
A/D value (3.3 V=255)
0 – 4
121 – 133
KEY2 (6 pin of IC381)
CONTROL
BACK
Pin No.
Port Name
Function Name
Detail of Function
1
CS
/ADC_CS
CS for microprocessor
2
VA
+3.3S
Power 3.3V
3
GND
DGND
Ground of external
4
IN4
Selector1
Connected to selector 1
5
IN3
PWR_PRV1
Power supply protection 1
6
IN2
KEY_INTPUT2
Front panel key
7
IN1
KEY_INTPUT1
Front panel key
8
DIN
SPIMI
Master output/slave input
9
DOUT
SPIMO
Master input/slave output
10
SCLK
SPISCK
SPI clock
•
Microprocessor ADC select port
AD converter
Destination detection for A/D port
Pull-up resistance 10 k-ohms
IC381:
ADC084S021 CIMM (DIGITAL P.C.B.)
4-channel, 200 kSPS, 8-bit A/D converter
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
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2
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7
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299