DSA00401172.pdf
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Analog Devices
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Touch Screen Controller
AD7877
FEATURES
FUNCTIONAL BLOCK DIAGRAM
VCC
7
AD7877
X+ 12
X 10
Y+ 13
Y 11
X Y GND X+ Y+ VREF
DUAL 3-1
MUX
AUX1/GPIO1 6
AUX2/GPIO2 5
REF
AU
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Original
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