SH7670 Datasheet, PDF (651/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 17 USB 2.0 Host/Function Module (USB)
(7) Features of the USB Function Controller
• Both high-speed transfer (480 Mbps) and full-speed transfer (12 Mbps) are supported.
• Automatic recognition of high-speed operation or full-speed operation based on automatic
response to the reset handshake
• Control transfer stage control function
• Device state control function
• Auto response function for SET_ADDRESS request
• NAK response interrupt function (NRDY)
• SOF interpolation function
(8) Other Features
• Transfer ending function using transaction count
• BRDY interrupt event notification timing change function (BFRE)
• Function that automatically clears the buffer memory after the data for the pipe specified at the
DnFIFO (n = 0 or 1) port has been read (DCLRM)
• NAK setting function for response PID generated by end of transfer (SHTNAK)
Rev. 1.00 Nov. 14, 2007 Page 625 of 1262
REJ09B0437-0100