I had similar problem. If you had something like that:uint8_t fn{ uint8_t data[2]; data[0] = 0x01; data[1] = 0b00001111; status = HAL_I2C_Master_Transmit(&hi2c1, ltc4306_Address, data, 2, 1 ); data[0] = 0x01; data[1] = 0b00111111; status = HAL_I2C_Ma...