Introduction - If you have any usage issues, please Google them yourself
1 NC NC NC
2 AOHPM Audio Headphone common mode output/sense input.
3 AOHPL Audio L-channel analog headphone output
4 PVDD Power Supply voltage of audio amplifier
5 HPON class-D Negative BTL output of audio amplifier
6 HPOP class-D Positive BTL output of audio amplifier
7 MIC_N1 Audio MIC 1 mono differential analog negative input
8 MIC_P1 Audio MIC 1 mono differential analog positive input
9 MIC_BIAS Power Electric microphone biasing voltage
10 NC NC NC
11 AIL Audio L-channel single-ended analog inputs
12 RST Digital System Reset Pin
13 PO1 Digital GPIO, default pull-high input FWD key
14 P04 Digital GPIO, default pull-high input. MUTE I/O or NFC detection pin
15 GND Power Ground