Wcd9341 — Datasheet [portable]

: Manages multichannel microphone inputs with noise cancellation and echo suppression routines.

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: Powers ultra-low-power voice processing and supports simultaneous wake-word detection for voice assistants. transmit/receive data lines

: Crackling or heavily muffled sound across speaker and headphone paths.

acts as the primary hardware interface converting digital signals into pristine analogue audio. and frame sync indicators.

: Delivers direct digital-to-analogue conversion capable of reproducing pure, high-fidelity audio.

: No audio from the bottom speaker, earpiece, or wired headphones.

Pins carry clock signals, transmit/receive data lines, and frame sync indicators. HPH_L / HPH_R : Left and right headphone outputs.