
High-Speed USB OTG controller
hsusb0_clk
MPU
subsystem
INTC
hsusb0_stp
hsusb0_dir
hsusb0_nxt
2
USB 2.0
controller
ULPI
wrapper
HSUSB_MC_NINT
HSUSB_DMA_NINT
PRCM
hsusb0_data0
hsusb0_data1
hsusb0_data2
hsusb0_data3
hsusb0_data5
hsusb0_data4
hsusb0_data6
hsusb0_data7
System
control
L3
interconnect
L4-Core
interconnect
Device
Interrupt
requests
Master
interface clock
USBHS_MICLK
Complementary settings for
HS USB
HS USB I/F pins
UTMI+
FAC
controller
usb−001
Slave
interface clock
USBHS_SICLK
Public Version
www.ti.com
High-Speed USB OTG Controller
22.1 High-Speed USB OTG Controller
NOTE:
The High-Speed USB OTG Controller is an instantiation of the MUSBMHDRC from Mentor
Graphics Corporation.
This document contains materials that are ©2003-2007 Mentor Graphics Corporation.
Mentor Graphics is a registered trademarks of Mentor Graphics Corporation or its affiliated
companies in the United States and other countries.
22.1.1 High-Speed USB OTG Controller Overview
The High-Speed USB OTG dual-role-device (DRD) link controller supports the following modes:
•
USB 2.0 peripheral (function controller) in high/full speed (480/12 Mbps, respectively)
•
USB 2.0 host in high/full/low speed (480/12/1.5 Mbps respectively), with one downstream port but
multipoint capability when a hub is connected to it (split transaction support, etc.)
•
USB 2.0 OTG DRD in high/full speed, with HNP and SRP support.
The high-speed USB controller supports a single USB port, which uses the ULPI interface mode, to
connect to an off-chip transceiver (12-pin/8-bit data SDR mode).
highlights the high-speed USB controller.
Figure 22-2. High-Speed USB Controller Highlight
22.1.1.1 Main Features
The high-speed USB controller has the following features:
•
Operates either as the function controller of a high-/full-speed USB peripheral or as the host/peripheral
in point-to-point or multipoint communications with other USB functions
3211
SWPU177N – December 2009 – Revised November 2010
High-Speed USB Host Subsystem and High-Speed USB OTG Controller
Copyright © 2009–2010, Texas Instruments Incorporated