HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 547

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 19 USB Host Controller (USBH)
The USB host controller module (hereafter referred to as the host controller) incorporated in this
LSI supports the Open Host Controller (OpenHCI) Specification for the Universal Serial Bus
(USB) as well as the universal serial bus specification ver.1.1.
The OpenHCI specification for the USB is a register-level description of the host controller. It is
necessary to refer the OpenHCI specification to develop drivers for this host controller and
hardware.
19.1
Features
The host controller in this LSI has the following features:
• Conforms to the OpenHCI specification ver.1.0 register set
• Corresponding to the universal serial bus specification ver.1.1
• Supports root hub function
• Supports low-speed (1.5 Mbps) and full-speed (12 Mbps) modes
• Supports overcurrent detection
• Supports 127-endpoint control in maximum
Rev. 1.00, 02/04, page 509 of 804
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