The R8A66593 is USB peripheral controllers embedded with Hi-Speed/Full-Speed transceiver, compatible with the USB2.0 and applicable to both Hi-Speed and Full-Speed transfer modes.


The R8A66593 is the latest peripheral controller characterized by obsession with efficient data transfer and ease of use. The R8A66593 has compatible with all USB2.0 transfer types, large FIFO (8.5KByte) , maximum 10 Endpoints and
enhanced transaction counter function (Setting for each endpoint) and USB transfer can be realized effectively.


The R8A66593 can be operated with a single supply 3.3V for a 1.5V regulator incorporates.


The R8A66593 is developed using original Hi-Speed USB-IP, they will provide smooth transitions for future moves to system LSI.

Key Applications:


  • Digital camera, printer, external storage device
  • Others, all PC peripheral using Hi-Speed USB

Below you will find information to support the development of your application.

Resources for Software and Hardware

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