Hi Collin-san, Thank you so much for your support. In my understanding , to improve the customer's phenomenon is we need to decrease the Vcc capacitor. Is my understanding correct? How much do you recommend for the capacitor? There is no capacitor on TSC2046EVM . >The PENIRQ signal will go LOW once the X- input is pulled below the logic threshold for the buffer that connects to the PENIRQ level shifter (see Figure 9 below). I think above explanation is not about X-. It is about X+. Is that correct? The PENIRQ will go low when X+ input is pulled low according to Fig 10 on datasheet. Best Regards, Koji Hamamoto
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