Universal serial bus controller with a direct memory access mode

  • US 6,266,715 B1
  • Filed: 06/01/1998
  • Issued: 07/24/2001
  • Est. Priority Date: 06/01/1998
  • Status: Expired due to Term
First Claim
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1. A universal serial bus (USB) device for USB transfer with direct memory access (DMA), comprising:

  • a DMA controller, comprising;

    a plurality of DMA channels for performing data transfer between the USB device and a USB host; and

    a USB controller having a DMA mode, comprising;

    a plurality of USB endpoints, each selectively programmed for one of the plurality of DMA channels during the DMA mode of the USB controller.

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