Handheld devices including smartphones and Tablet PCs have touch screens and many buttons for different functions. In order to save battery power, if the screen is not touched or the button is not ...

Interrupts are a major feature of most embedded microcontrollers and effective real time response to interrupts is vital in low power systems that often rely on a ‘run fast then stop’ approach to ...

AMD was the first to come out with its proposed changes in February 2021: AMD Supervisor Entry Extensions. Intel followed in March with its flexible return and event delivery (FRED) design. What ...

Just as you can often treat device registers as a memory-mapped struct, you can treat an interrupt vector as a memory-mapped array. In my last column, I suggested that you use casts sparingly and with ...

Hi all,<br><br>I was trying to figure out how APIC and IRQL are related, and I can't quite get it organized in my head. So far I have this, which I think is right:<br><br>The PIC used to support up to ...