This is a 8-input interrupt controller which works in two modes. Mode 1: Polling Mode 2: Priority Polling: In polling, all the interrupts are checked periodically by interrupt controller and serviced ...

Performance is a topic that never strays far from the mind of most embedded systems developers. However, relatively speaking, many of us have it easy. We develop soft real-time systems in which a few ...

As Arm-based infrastructure continues to scale across markets, demands on system components increase. This can mean more interrupts, or signals from hardware/software to a processor to pause a task ...

into the processor itself and an external I/O APIC. Local APIC (lapic) receives interrupts from the processor's interrupt pins, from internal sources and from an external I/O APIC (ioapic). And it ...

DCD have today introduced the D8259, a soft core of programmable interrupt controller. Fully compatible with the 82C59A device, DCD’s IP core can manage up to 8-vectored priority interrupts for the ...

The D8259 is a soft core Programmable Interrupt Controller, that can manage up to 8-vectored priority interrupts for the processor, and that you can also program to cascade and gain up to 64 vectored ...

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 ...

Abstract: Interrupt-based programming is widely used for interfacing a processor with peripherals and allowing software threads to interact. Many hardware/software architectures have been proposed in ...

Interruptions aren’t just a staple of our daily lives. They’re also crucial for making computer systems work as well as they do, as they allow for a system to immediately respond to an event. While on ...