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stm32g0b1ke mcu i2c not detected after flashing into flash memory

VSoun.1
Associate II

I have flashed the firmware into flash memory using i2c application programming.when the controller is booting from flash memory,i can see the uart console logs .

I have configured the PB6 and PB7 pins are i2c pins.I set the clock speed to fast mode using stm32cubemx generator.I2c own address bit also set with 7bit I2C address << 1.But i2c is not detected.Is there any configuration missing?

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