How does the CPU communicate with a device?

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rduba Posts 2 Registration date Monday October 8, 2012 Status Member Last seen October 8, 2012 - Oct 8, 2012 at 06:23 AM
Jean-Fran├žois Pillou Posts 18707 Registration date Monday February 15, 1999 Status Webmaster Last seen February 16, 2023   - Oct 8, 2012 at 09:06 AM
Hello,
hi How does the CPU communicate with a device?


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Jean-Fran├žois Pillou Posts 18707 Registration date Monday February 15, 1999 Status Webmaster Last seen February 16, 2023  
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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