HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 827

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 24
USB Host Controller (USBH)
Section 24
USB Host Controller (USBH)
The USB Host Controller module incorporated in this LSI supports Open Host Controller
Interface (Open HCI) Specification for USB as well as the Universal Serial Bus specification
ver.1.1.
The Open HCI Specification for the USB is a register-level description of Host Controller for the
USB, which in turn is described by the USB specification.
It is necessary to refer Open HCI specification to develop drivers for this USB Host Controller and
hardware.
24.1
Features
• Support open HCI standard ver.1.0 register set
• Support Universal Serial Bus standard ver.1.1
• Root Hub function
• Support Full speed (12 Mbps) mode and Low speed (1.5 Mbps) mode
• Support Overcurrent detection
• Support 127 endpoints control in maximum
• Possible to use only the SDRAM area of area 3 as transmit data and descriptor.
Rev. 3.00 Jan. 18, 2008 Page 765 of 1458
REJ09B0033-0300