USB3370 datasheet(6/75 Pages) MICROCHIP

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USB3370

DS00001915B-page 6

 2012 - 2015 Microchip Technology Inc.

2.0

USB3370 PIN LOCATIONS AND DEFINITIONS

2.1

USB3370 Pin Locations and Descriptions

2.1.1

USB3370 PIN DIAGRAM AND PIN DEFINITIONS

The illustration below is viewed from the top of the package.

The following table details the pin definitions for the figure above.

FIGURE 2-1:

USB3370 PIN LOCATIONS - TOP VIEW

TABLE 2-1:

USB3370 PIN DESCRIPTIONS

Name

Direction/

Type

Active

Level

Description

CLKOUT

Output,

CMOS

N/A

ULPI Clock Out Mode:

60MHz ULPI clock output. All ULPI signals are driven

synchronous to the rising edge of this clock.

ULPI Clock In Mode:

Connect this pin to VDDIO to configure 60MHz ULPI

Clock IN mode as described in Section 5.5.1.

NXT

Output,

CMOS

High

The PHY asserts NXT to throttle the data. When the

Link is sending data to the PHY, NXT indicates when

the current byte has been accepted by the PHY.

DATA[0]

I/O,

CMOS

N/A

ULPI bi-directional data bus. DATA[0] is the LSB.

DATA[1]

I/O,

CMOS

N/A

ULPI bi-directional data bus.

DATA[2]

I/O,

CMOS

N/A

ULPI bi-directional data bus.

USB3300

Hi-Speed USB2

ULPI PHY

32 Pin QFN

5x5 mm

GND FLAG

VDDIO

RBIAS

EXTVBUS

DATA0

VDDIO

DATA7

STP

DIR

VDD18

NXT

GND

RESETB

DATA6

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