2021 Microchip Technology Inc. DS00003118C-Page 68
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APPENDIX H: AUX-IN DETECTION
Any one of the GPIOs on BM83 can be configured as
AUX-In input detector in embedded mode. The below
figure shows that P3_2 is configured for AUX-In input
detections.
FIGURE 73: AUX-IN DETECTION