The R8A66593 is a USB peripheral controller embedded with Hi-Speed/Full-Speed transceiver, it is compatible with USB 2.0 and applicable to both Hi-Speed and Full-Speed transfer modes. The R8A66593 is the latest peripheral controller characterized by the obsession with efficient data transfer and ease of use. The R8A66593 has compatibility with all USB 2.0 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.



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


Title Type Date
PDF1.75 MB日本語
PDF315 KB日本語
Application Note
PDF336 KB日本語
Application Note

Design & Development