A scalable multi-output interrupt controller
A controller and multi-output technology, applied in instruments, electrical digital data processing, etc., can solve the problems of insufficient scalability of processor interrupt sources, complex circuit structure, etc., to avoid hardware overhead, good scalability, and simplify code. Effect
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[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0017] The structure of an expandable multi-output interrupt controller in the present invention is as follows: figure 1 As shown, it includes an interrupt information module, the input end of the interrupt information module is connected to multiple processor cores to prepare interrupt information, the input end of the interrupt information module is also connected to multiple interrupt sources to receive multiple different interrupt signals, and the output end of the interrupt information module is connected to the Multiple identical interrupt control modules are connected to send the highest priority signal of the effective interrupt source to each interrupt control module, and each interrupt control module is connected to a processor core respectively, and each interrupt control module interacts with the processor core for interrupt inform...
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