HD6417727BP160CV Datasheet, PDF (783/1098 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/ SH7700 Series

Section 24 USB HOST Module
Section 24 USB HOST Module
24.1 General Description
The USB Host Controller module incorporated in SH7727 supports Open Host Controller (Open
HCI) Specification for the Universal Serial Bus (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. Also refer to the restrictions on the use of the module listed at the end of this section.
24.1.1 Features
• Support open HCI standard ver.1.0 register set
• Support Universal Serial Bus standard ver.1.1
• Root Hub function
• Support Full speed (12Mbps) mode and Low speed (1.5Mbps) mode
• Support Overcurrent detection
• Support 127 endpoints control in maximum
• The whole area of the synchronous DRAM in area 3 connected to the CPU can be used for
transfer data and descriptor.
Rev.6.00 Mar. 27, 2009 Page 725 of 1036
REJ09B0254-0600