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USB3318C-CP-TR

Hi-Speed USB Transceiver with 1.8V-3.3V ULPI Interface - 13MHz Reference Clock

Microchip Technology 

Hi-Speed USB Transceiver with 1.8V-3.3V ULPI Interface - 13MHz Reference Clock

Datasheet

Chapter 2 USB3318 Pin Locations and Definitions

2.1

2.1.1

USB3318 Pin Locations and Descriptions

Package Diagram with Pin Locations

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

ID 1

VBUS 2

VBAT 3

VDD3.3 4

DM 5

DP 6

24Pin QFN

4x4mm

18 NXT

17 VDDIO

16 DATA0

15 DATA1

14 DATA2

13 DATA3

Figure 2.1 USB3318 QFN Pinout - Top View

2.1.2

Pin Definitions

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

PIN

NAME

1

ID

2

VBUS

3

VBAT

SMSC USB3318 REV C

Table 2.1 USB3318 Pin Description

DIRECTION/ ACTIVE

TYPE

LEVEL

DESCRIPTION

Input,

Analog

I/O,

Analog

Power

N/A ID pin of the USB cable. For non-OTG

applications this pin can be floated. For

an A-Device ID is grounded. For a B-

Device ID is floated.

N/A VBUS pin of the USB cable. This pin is

used for the Vbus comparator inputs and

for Vbus pulsing during session request

protocol.

N/A Regulator input. The regulator supply can

be from 5.5V to 3.1V.

9

DATASHEET

Revision 2.1 (06-02-10)

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