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PCM5102A	ESP32
BCK	GPIO 26
LCK, LRCK or WS	GPIO 2527
DIN	GPIO 2225
SCK	GND
GND	GND
VIN	5 V

If exposed:

FMT → GND for standard I²S
XSMT → 3.3 V for unmuted operation
SCK → GND on the common PLL-equipped modules

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