SMSC USB3300

PRODUCT PREVIEW

Revision 1.02 (02-16-05)

Data Brief

PRODUCT FEATURES

USB3300

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

USB-IF "Hi-Speed" certified to the Universal Serial

Bus Specification Rev 2.0

Interface compliant with the ULPI Specification

revision 1.1 in 8-bit mode.

Industry standard UTMI+ Low Pin Interface (ULPI.)

Converts 54 UTMI+ signals into a standard 12 pin
Link controller interface.

Supports FS pre-amble for FS hubs with a LS device

attached (UTMI+ Level 3)

Supports HS SOF and LS keep-alive pulse.

Includes full support for the optional On-The-Go

(OTG) protocol detailed in the On-The-Go
Supplement Revision 1.0a specification.

Supports the OTG Host Negotiation Protocol (HNP)

and Session Request Protocol (SRP.)

Allows host to turn VBUS off to conserve battery

power in OTG applications.

Supports OTG monitoring of VBUS levels with

internal comparators. Includes support for an external
VBUS or fault monitor.

Low Latency Hi-Speed Receiver (43 Hi-Speed clocks

Max) allows use of legacy UTMI Links with a ULPI
wrapper.

Integrated Pull-up resistor on STP for interface

protection allows a reliable Link/PHY start-up with
slow Links (software configured for low power.)

Internal 1.8 volt regulators allow operation from a

single 3.3 volt supply.

Internal short circuit protection of ID, DP and DM

lines to VBUS or ground.

Integrated 24MHz Crystal Oscillator supports either

crystal operation or 24MHz external clock input.

Internal PLL for 480MHz Hi-Speed USB operation.

54.7mA Unconfigured Current (typical) - ideal for bus

powered applications.

83uA suspend current (typical) - ideal for battery

powered applications.

Full Commercial operating temperature range from

0C to +70C.

32 pin QFN package; green, lead-free (5 x 5 x 0.90

mm height)

ORDER NUMBER(S): USB3300-EZK FOR 32 PIN, QFN PACKAGE (GREEN, LEAD-FREE)

80 Arkay Drive

Hauppauge, NY 11788

(631)

435-6000

FAX (631) 273-3123

Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete
information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no
responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without
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known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon request.
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Hi-Speed USB Host or Device PHY with ULPI Low Pin Interface

Revision 1.02 (02-16-05)

SMSC USB3300

PRODUCT PREVIEW

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

SMSC USB3300

Revision 1.02 (02-16-05)

PRODUCT PREVIEW

General Description

The USB3300 is a stand-alone Hi-Speed USB Physical Layer Transceiver (PHY). The USB3300 uses
a low pin count interface (ULPI) to connect to a ULPI compliant Link layer. The ULPI interface reduces
the UTMI+ interface from 54 pins to 12 pins using a method of in-band signaling and status byte
transfers between the Link and PHY.

This PHY was designed from the start with the ULPI interface. No UTMI to ULPI wrappers are used
in this design which provides a seamless ULPI to Link interface. The result is a PHY with a low latency
transmit and receive time. SMSC's low latency high speed and full speed receiver provide the option
of re-using existing UTMI Links with a simple wrapper to convert UTMI to ULPI.

The ULPI interface allows the USB3300 PHY to operate as a device, host, or an On-The-Go (OTG)
device. Designs using the USB3300 PHY as a device, can add host and OTG capability at a later date
with no additional pins.

The ULPI interface, combined with SMSC's proprietary technology, makes the USB3300 the ideal
method of adding Hi-Speed USB to new designs. The USB3300 features an industry leading small
footprint package (5mm by 5mm) with sub 1mm height. In addition the USB3300 integrates all DP and
DM termination resistances and requires a minimal number of external components.

Figure 1 Basic ULPI USB Device Block Diagram

The ULPI interface consists of 12 interface pins; 8 bi-directional data pins, 3 control pins, and a 60
MHz clock. By using the 12 pin ULPI interface the USB3300 is able to provide support for the full range
of UTMI+ Level 3 through Level 0, as shown in Figure 2, "ULPI Interface Features as Related to
UTMI+". This allows USB3300 to work as a HS and FS peripheral and as a HS, FS, and LS Host.

The USB3300 can also, as an option, fully support the On-the-Go (OTG) protocol defined in the On-
The-Go Supplement to the USB 2.0 Specification. On-the-Go allows the USB3300 to function like a
host, or peripheral configured dynamically by software. For example, a cell phone may connect to a
computer as a peripheral to exchange address information or connect to a printer as a host to print
pictures. Finally the OTG enabled device can connect to another OTG enabled device to exchange
information. All this is supported using a single low profile Mini-AB USB connector.

Designs not needing OTG can ignore the OTG feature set.

In addition to the advantages of the leading edge ULPI interface, the use of SMSC's advanced analog
technology enables the USB3300 to consume a minimum amount of power which results in maximized
battery life for portable applications.

USB3300

USB 2.0

Analog

w/ OTG

ULPI

Digital

Logic

USB

Connector

(Standard

or Mini)

ULPI
LINK

BUS

STP

CLK

DIR

NXT

DATA[7:0]

32 Pin QFN

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

Revision 1.02 (02-16-05)

SMSC USB3300

PRODUCT PREVIEW

Figure 2 ULPI Interface Features as Related to UTMI+

Applications

The USB3300 is targeted for any application where a Hi-Speed USB connection is desired and when
board space and interface pins must be minimized.

The USB3300 is well suited for:

Cell Phones

MP3 Players

Scanners

External Hard Drives

Still and Video Cameras

Portable Media Players

Entertainment Devices

UTMI+ Level 0

USB2.0 Peripherals Only

DED

FEA

USB3300

ULPI

USB2.0 Peripheral, host controllers, On-the-

Go devices with 12 pin interface

(HS, FS, LS, preamble packet)

UTMI+ Level 3

USB2.0 Peripheral, host controllers, On-the-

Go devices

(HS, FS, LS, preamble packet)

UTMI+ Level 2

USB2.0 Peripheral, host controllers, On-

the-Go devices

(HS, FS, and LS but no preamble packet)

UTMI+ Level 1

USB2.0 Peripheral, host controllers, and

On-the-Go devices

(HS and FS Only)

USB3500
USB3450

USB3280
USB3250

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

SMSC USB3300

Revision 1.02 (02-16-05)

PRODUCT PREVIEW

Block Diagram

The USB3300 is a highly integrated USB PHY. It contains a complete Hi-Speed USB2.0 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 3, "USB3300 Block Diagram" below.

Figure 3 USB3300 Block Diagram

ULPI Digital

OTG

Module

DATA[7:0]

24 MHz

XTAL

Internal

Regulator &

POR

Power

Supply

Bias

Gen.

CLKOUT

NXT

DIR

STP

VDD3.3

XTAL &

PLL

CPEN

VBUS

VDD3.3

USB3300

.
8

VDDA1

.
8

RBIAS

EXTVBUS

FAULT

Mini-AB

USB

Connector

HS XCVR

FS/LS

XCVR

Resistors

Rpu_d

_dm

_dp

Rpu_d

Электронный компонент: USB3300

Document Outline