BeagleY-AI Pinout

Legend

Orientate your BeagleY-AI with the GPIO on the right and the HDMI port(s) on the left.

(*) Denotes pins that differ in functionality on BeagleY-AI as compared to Raspberry Pi 4/5

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GPIO 19 (PCM Frame Sync)

Alt0	Alt1	Alt2	Alt7	Alt8
MCASP0_AFSX	SPI2_CS3	AUDIO_EXT_REFCLK1	GPIO1_12	EQEP1_B

Physical/Board pin 35
GPIO/BCM pin 19
SoC pin C26

GPIO 19 is used by PCM to provide a frame-sync signal to an external audio device such as a DAC chip.