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How to interface Dual Digital Mic with Stm32f407 ?

Question asked by Singh.Harwinder on Mar 17, 2017

Hello everyone,

I am using stm32f4 discovery board. i am accessing on board digital mic with I2S protocol and decode data using PDM to PCM library from st.Now i want to use one more mic for stereo audio (one mic for left configuration and another one for right). So how to connect that one? and how to use library to decode both channels ? I have also Stm32f7 discovery which has two digital mics, but there is codec on board which is used to decode their data and provide to MCU over i2s. So please help me hoe do that without codec in stm32f4 mcu ?