Waveshare WM8960 User Manual

WM8960 Audio Board
WM8960 Audio Board
User Manual
OVERVIEW
The is WM8960 Audio board uses WM8690 which is a Low consumption, Stereo
encoder/decoder. Can be used for portable digital audio applications, like recoding or
drive speaker to play.
FEATURES
⚫ High quantity MEMS silicon MIC, for recording without earphone.
⚫ 3.5mm 4 segment headphone mic, allows external headphone for recording or
playing.
⚫ Dual-channel Speaker interface, for external speaker
⚫ Supports audio sample rate: 8/11.025/22.05/44.1/48KHz
⚫ Supports Stereo and 3D Surround Sound and so on.
⚫ Come with User Manual and examples (Play and record examples for STM32F429
and STM32F746 can be downloaded from Wiki).
SPECIFICATION
➢ Audio Encoder/Decoder: WM8960

Waveshare WM8960 Specifications

General

Audio Codec	WM8960
Power Supply	3.3V
Audio Output	Stereo
DAC SNR	98dB
Headphone Jack	3.5mm
DAC Resolution	24-bit
Interface	I2S
Sample Rate	8kHz
Speaker Output	Yes
Speaker Power	1W per channel
Type	Stereo CODEC
Microphone Input	Dual Microphones
Microphone	Dual Microphones

Summary

Overview and Features

Specifications and Pins

Specifications

Details technical specifications including voltage, interfaces, sample rates, and audio formats.

Pin Definitions

Lists the function and description for each pin on the WM8960 Audio Board.

Hardware Connection

Working Protocols

I2C Bus Protocol

Explains the I2C bus communication process, including address frames, control bytes, and data transfer.

I2S Bus Signal Lines

Details the I2S bus signal lines (SCLK, LRCK, SDATA, MCLK) and their roles in audio data transmission.

Usage Examples

Examples for Open429I-C

Provides step-by-step guides for playing audio internally and handling WAV files with the Open429I-C board.

Examples for Open746I-C

Offers guidance on playing audio internally and managing WAV files using the Open746I-C development board.