Transcription of XPT2046 Data Sheet
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XPT2046 Data Sheet
XPT2046 Touch Screen Controller CCooppyyrriigghhtt 22000077,, SSHHEENNZZHHEENN XXPPTTEEKK TTEECCHHNNOOLLOOGGYY ,,LLTTDD 1/30 XXPPTT22004466 DDaattaa SShheeeett XPT2046 Touch Screen Controller CCooppyyrriigghhtt 22000077,, SSHHEENNZZHHEENN XXPPTTEEKK TTEECCHHNNOOLLOOGGYY ,,LLTTDD 2/30 CONTENTS GENERAL DESCRIPTION ..3 3 3 BLOCK DIAGRAM .. 4 ABSOLUTE MAXIMUM RATINGS .. 4 ELECTRICAL CHARACTERISTICS .. 5 PIN CONFIGURATION .. 8 PIN 8 PIN 9 TYPICAL CHARACTERISTICS .. 10 THEORY OF OPRATION ..13 BASIC OPERATION OF THE 13 ANALOG 14 INTERNAL 15 REFERENCE 16 SIMPLIFIED DIAGRAM OF SINGLE-ENDED 16 SIMPLIFIED DIAGRAM OF DIFFERENTIAL 17 TOUCH SCREEN 17 TEMPERATURE 18 BATTERY 19 PRESSURE 20 DIGITAL 21 PENIRQ OUTPUT.
M XP, Table 5.Input Configuration (DIN), Differential Reference Mode (SER/DFR low) Internal Reference . The XPT2046 has an internal 2.5V voltage reference that can be turned on or off with the control bit, PD1 (see Table 8 and Figure 6. Typically, the internal reference voltage is onlyused in the single-ended mode for battery
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