Download inTouch Application Kit
Transcript
AP08126 Infineon Touch Solutions - inTouch Application Kit Infineon’s Touch Solutions Pad touched ? Idle Pad released ? Valid Touch Idle Pad Average Total TSCTR small offset offset HighTrip LowTrip noise 0xFF valid touch PDC valid release 0 PADFLAG 0 1 1 1 1 0 0 PADTOUCHED 0 0 1 1 1 1 0 PADERROR 0 0 0 1 1 1 1 Figure 25 Software Library version A signals demonstrating hysteresis offset and flag behaviors Idle Pad touched PADRESULT Idle Pad Average Total TSCTR offset small offset HighTrip LowTrip noise 0xFF PDC valid touch 0 Figure 26 PADFLAG 0 1 0 0 PADRESULT 0 0 1 0 PADERROR 0 0 0 0 Software Library version B signals demonstrating hysteresis offset and valid touch detection Application Note 21 V1.0, 2012-02