Explain the function of a PIC (Programmable Interrupt Controller).

Jan 19, 2023 ... Answer ... Answer: An interrupt can be used to signal the completion of an I/O to obviate the need for device polling. A trap can be generated ... ... purpose interrupts. The IRQF_NO_SUSPEND flag is used to indicate that to the IRQ subsystem when requesting a special-purpose interrupt. It causes ... 3 days ago ... What are the differences between a trap and an interrupt? Can traps be generated intentionally by a user program? If so, for what purpose? Views ... Jan 5, 2019 ... Stack frames for function calls get set up on the stack, and so does stuff pushed onto it by the interrupt handler. The two sets of data SHOULD ... This enables the system to monitor which device created the interrupt and when it occurred. In most computer systems, interrupts are handled as quickly as ... ARM Core takes IRQ Exception and globally masks the IRQ bit in the CPSR (Disables IRQ interrupts) ... What is the purpose of masking the interrupt (IMR register) ... An interrupt is a signal emitted by a device attached to a computer or from a program within the computer. It requires the operating system (OS) to stop and ... Nov 28, 2015 ... MLX4_EVENT_TYPE_COMP is completion MLX4_EVENT_TYPE_CMD related to the command performed by the hardware. Oct 18, 2023 ... Purpose of Polling and Interrupts. Polling and interrupts are used to efficiently manage and handle communication between the CPU and other ... the use of the IntervalTimer function;; how to operate an oscilloscope;; how to program a timer interrupt for Pulse Width Modulation output;; how to change the ...