About clear interrupt flag bit is actually should how to understand, I don't understand all the time,

CodePudding user response:

Interrupt flag bit if it is not clear, the interrupt will hang up and the corresponding interrupt will no longer interrupt program, such as interrupt switch buttons, press switch, the first time after the program into the interrupt if not clear the interrupt return, push the switch to interrupt program will no longer be the corresponding interrupt,

CodePudding user response:

The

FPGA reference 1 floor?????? Response:

interrupt flag bit if not clear, the interrupt will hang up and the corresponding interrupt will no longer interrupt program, such as interrupt switch buttons, press switch, the first time after the program into the interrupt if not clear the interrupt return, push the switch to interrupt program will no longer be the corresponding interrupt,

Oh oh, understand, thank you for your answer