Interrupt Processing Technique of High Performance DSP
Jin Chen
Abstract
Jin Chen
Abstract
This paper discusses the interrupt control and interrupt service of DSP, designs 4 stage interrupt priorities, provides several kinds of interrupt, such as hardware/software exception, hardware/software interrupt, DMA interrupt, on chip/peripheral interrupt, provides level/edge triggered interrupt. And implements three kinds of interrupt services as fast interrupt A, fast interrupt B and normal interrupt. The whole interrupt system fulfills DSPs fast digital signal processing quite well.
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This paper discusses the interrupt control and interrupt service of DSP, designs 4 stage interrupt priorities, provides several kinds of interrupt, such as hardware/software exception, hardware/software interrupt, DMA interrupt, on chip/peripheral interrupt, provides level/edge triggered interrupt. And implements three kinds of interrupt services as fast interrupt A, fast interrupt B and normal interrupt. The whole interrupt system fulfills DSPs fast digital signal processing quite well.
Key concepts: Interrupt, Interrupt handler, Computer science, Embedded system, Software, Computer hardware, Operating system, Microcontroller