USB3500 datasheet(6/45 Pages) MICROCHIP

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USB3500

DS00002103A-page 6

 2005 - 2016 Microchip Technology Inc.

2.0

PIN CONFIGURATION AND PIN DEFINITIONS

The USB3500 is offered in a 56-pin QFN package. The pin definitions and locations are documented below.

2.1

USB3500 Pin Locations

The flag of the QFN package must be connected to ground with a via array.

2.2

Pin Definitions

FIGURE 2-1:

USB3500 PINOUT - TOP VIEW

TABLE 2-1:

USB3500 PIN DEFINITIONS

Name

Direction,

Type

Active

Level

Description

VSS

Ground

N/A

PHY ground.

XCVRSEL[0]

Input

N/A

Transceiver Select. These signals select between the

FS and HS transceivers:

Transceiver select.

00: HS

01: FS

10: LS

11: LS data, FS rise/fall times

TERMSEL

Input

N/A

Termination Select. This signal selects between the

FS and HS terminations:

0: HS termination enabled

1: FS termination enabled

SESSVLD

DATA[1]

DATA[0]

DATA[2]

DATA[3]

DATA[4]

DATA[5]

DATA[6]

DATA[7]

RXVALID

VSS

SESSEND

DISCHRGVBUS

HOSTDISC

VSS

VDD3.3

VSS

VDD3.3

RESET

TXVALID

SUSPENDN

VBUS

TXREADY

TERMSEL

XCVRSEL0

USB3500

Hi-Speed USB

UTMI+ PHY

56 Pin QFN

GND FLAG

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