Interrupt control register
Encyclopedia
An interrupt control register, or ICR, is a hardware register
Hardware register
In digital electronics, especially computing, a hardware register stores bits of information, in a way that all the bits can be written to or read out simultaneously.The hardware registers inside a central processing unit are called processor registers....

 in a computer chip used to configure the chip to generate interrupt
Interrupt
In computing, an interrupt is an asynchronous signal indicating the need for attention or a synchronous event in software indicating the need for a change in execution....

s—to raise a signal on an interrupt line—in response to some event occurring within the chip or a circuit connected to the chip.

External links

Details on Interrupt control registers, NMI and VIC at this link.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK