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USB3300

Hi-Speed USB Host, Device or OTG PHY with ULPI Low Pin Interface

SMSC -> Microchip 

Hi-Speed USB Host, Device or OTG PHY with ULPI Low Pin Interface

Datasheet

Chapter 2 Functional Overview

The USB3300 is a highly integrated USB PHY. It contains a complete Hi-Speed USB 2.0 PHY with the

ULPI industry standard interface to support fast time to market for a USB product. The USB3300 is

composed of the functional blocks shown in Figure 2.1 below. Details of these individual blocks are

described in Chapter 6, "Architecture Overview," on page 19.

VDD3.3

Internal

Regulator &

POR

24 MHz

XTAL

XTAL &

PLL

DATA[7:0]

CLKOUT

STP

DIR

NXT

ULPI Digital

HS XCVR

FS/LS

XCVR

USB3300

EXTVBUS

CPEN

FAULT

5V

Power

EN Supply

OTG

Module

VBUS

ID

VDD3.3

DP

DM

Mini-AB

USB

Connector

Resistors

Bias

Gen.

RBIAS

Figure 2.1 USB3300 Block Diagram

SMSC USB3300

9

DATASHEET

Revision 1.08 (11-07-07)

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