FCR Function Control Register. 0x40000800 0x00 0x400 registers FCTRL0 Register 0. 0x00 read-write I2C0_SDA_FILTER_EN I2C0 SDA Glitch Filter Enable. 20 1 dis Filter disabled. 0 en Filter enabled. 1 I2C0_SCL_FILTER_EN I2C0 SCL Glitch Filter Enable. 21 1 dis Filter disabled. 0 en Filter enabled. 1