专利名称：Digital signal processor interrupt
accelerator
发明人：Carl J. Knudsen申请号：US09796271申请日：20010228
公开号：US20020120802A1公开日：20020829
专利附图：
摘要：A circuit arrangement reduces the number of interrupts to a DSP required totransfer digital samples between external I/O devices and a data memory, thus allowingthe DSP to perform additional sample processing operations. An interrupt accelerator
responds to I/O interrupts from an I/O device by pausing the DSP, transferring sampleswith the data memory, and tracking the number of samples transferred. When apredetermined number of samples have been transferred, the interrupt acceleratorinterrupts the DSP to perform a block transfer of samples in conjunction with sampleprocessing.
申请人：KONINKLIJKE PHILIPS ELECTRONICS N.V.
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