I am configuring USBD to turn the STM32F4 Discovery into a headphone, meaning it can play music through USB and transmit data from the PDM microphone to the computer. I have completed the music playback part, but I am now working on the recording par...

I use STM32F4 Discovery, and when using I2C1 for communication, I encounter a situation where the chip becomes unresponsive while using UART and during operation with I2C1. When I use other I2C interfaces, it works normally. I want to understand what...