The MCU itself may be stuck by an I2C error. For example a noise spike may generate a START condition. The MCU thinks some other Master took control of the bus and forever waits for STOP that will never come.
The MCU itself may be stuck by an I2C error. For example a noise spike may generate a START condition. The MCU thinks some other Master took control of the bus and forever waits for STOP that will never come.