How does the CPU communicate with a device?

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rduba Posts 3 Registration date Monday October 8, 2012 Status Member Last seen October 8, 2012 - Oct 8, 2012 at 06:23 AM
Jean-François Pillou Posts 18668 Registration date Monday February 15, 1999 Status Webmaster Last seen January 12, 2022 - Oct 8, 2012 at 09:06 AM
Hello,
hi How does the CPU communicate with a device?


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Jean-François Pillou Posts 18668 Registration date Monday February 15, 1999 Status Webmaster Last seen January 12, 2022
Oct 8, 2012 at 09:06 AM
Here is a piece of basic information on device/CPU communication :
https://ccm.net/contents/394-hardware-interrupts-irq-and-conflicts
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