Bit masking is used to ignore | Microcontroller › AVR › what is bit masking????? › Bit masking is used to ignore June 25, 2013 at 12:03 pm #10029 Deepak GuptaParticipant Bit masking is used to ignore the status of particular bit. you can check input status by using ‘&’ operater like “PINC&(1<<PC2)” if you want to read status of PC2 similarly for oter pins. use ‘|’ or operator for writing a single bit like PORTC |= (1<<PC4) to write logic high at PC4.
