Loading....
Coupon Accepted Successfully!

 

Group A And Group B Controls

  • Control Group A Port A and Port C upper (PC7 – PC4)
  • Control Group B Port B and Port C lower (PC3 – PC0)


Functional block diagram of  8255A

 

Table: 82C55A basic input operation
 

Table: 82C55A basic output operation
 

Table: 82C55A disable operation

 





Test Your Skills Now!
Take a Quiz now
Reviewer Name