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STMPE321QTR データシート(PDF) 32 Page - STMicroelectronics |
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STMPE321QTR データシート(HTML) 32 Page - STMicroelectronics |
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32 / 40 page  Capacitive touch module registers STMPE321 32/40 Doc ID 15791 Rev 3 CALIBRATED_IMPEDANCE Calibrated impedance Address: 0x70 - 0x72 Type: R Reset: 0x00 Description: Calibrated impedance is a reference value maintained by the device. IMPEDANCE Impedance Address: 0x80 - 0x82 Type: R Reset: 0x00 Description: Impedance is the instantaneous impedance value seen at the input pin of each capacitive sensing pin. TINT_PENDING Interrupt pending Address: 0x92 Type: R Reset: 0x00 Description: Reflects the status of each interrupt source. 7 654 3210 CAL_IMPEDANCE [7:0] CALIBRATED IMPEDANCE: Calibrated reference impedance 7 654 3210 IMPEDANCE [7:0] IMPEDANCE: Currently sensed impedance. This impedance reading decreases with the increase of the capacitance at the sensing channel. When this register reads 0x7F, reference capacitance should be reduced. When this register reads 0x00, reference capacitance should be increased. 7 654 3210 RESERVED EOC RESERVED [7:4] RESERVED [3] EOC: End of calibration [2:0] RESERVED |
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