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How to generate Hardware interrupt to wake MCU from deep power down when the card is detected?

Question asked by Mahendra Sondagar on Oct 2, 2017
Latest reply on Oct 13, 2017 by IvanRuiz

Hello freaks,


I'm dealing with the battery  operated NFC based application and i need to conserve the battery as much as i can.

For the card R/W and P2P mode I'm using PN7150. I know about it's Low power card detection mode (LPCD) to significantly reduced power consumption but i also need to put my Host processor in Deep power down and need to wake-up when the card enters in filed (just like NT3H1101 FD pin and PN532 P70_IRQ)  can any one guide me here