USB2517 datasheet(1/58 Pages) MICROCHIP

部件名	USB2517

功能描述	USB 2.0 Hi-Speed 7-Port Hub Controller

PDF	58 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

1 / 58 page

 2013-2016 Microchip Technology Inc.

DS00001598B-page 1

General Description

The 7-Port Hub is a low power, OEM configurable, MTT

(multi transaction translator) hub controller IC with 7

downstream ports for embedded USB solutions. The 7-

port hub is fully compliant with the USB 2.0 Specifica-

tion and will attach to an upstream port as a Full-Speed

Hub or as a Full-/Hi-Speed Hub. The 7-Port Hub sup-

ports Low-Speed, Full-Speed, and Hi-Speed (if operat-

ing as a Hi-Speed Hub) downstream devices on all of

the enabled downstream ports.

General Features

• Hub Controller IC with 7 downstream ports

• High-performance multiple transaction translator

MultiTRAK™ Technology provides one transac-

tion translator per port

• Enhanced OEM configuration options available

through either a single serial I2C EEPROM, or

SMBus Slave Port

• 64-Pin (9x9 mm) QFN, RoHS compliant package

• Supports commercial (0ºC to +70ºC) and indus-

trial (-40ºC to +85ºC) temperature ranges

Hardware Features

• Low power operation

• Full Power Management with individual or ganged

power control of each downstream port

• On-chip Power On Reset (POR)

• Internal 1.8V Voltage Regulator

• Fully integrated USB termination and Pull-up/Pull-

down resistors

• On Board 24MHz Crystal Driver, Resonator, or

External 24/MHz clock input

• USB host/device speed indicator. Per-port 3-color

LED drivers indicate the speed of USB host and

device connection - hi-speed (480 Mbps), full-

speed (12 Mbps), low-speed (1.5 Mbps)

• Enhanced EMI rejection and ESD protection per-

formance

OEM Selectable Features

• Customizable Vendor ID, Product ID, and Device

ID

• Select whether the hub is part of a compound

device (When any downstream port is perma-

nently hardwired to a USB peripheral device, the

hub is part of a compound device.)

• Flexible port mapping and disable sequence.

Ports can be disabled/reordered in any order to

support multiple product SKUs. Hub will automati-

cally reorder the remaining ports to match the

Host controller's numbering scheme

• Programmable USB differential-pair pin location

- Eases PCB layout by aligning USB signal

lines directly to connectors

• Programmable USB signal drive strength.

Recover USB signal integrity due to compromised

system environments using 4-level driving

strength resolution

• Select the presence of a permanently hardwired

USB peripheral device on a port by port basis

• Configure the delay time for filtering the over-cur-

rent sense inputs

• Configure the delay time for turning on down-

stream port power

• Indicate the maximum current that the 347-port

hub consumes from the USB upstream port

• Indicate the maximum current required for the hub

controller

• Support Custom String Descriptor up to 31 char-

acters in length for:

- Product String

- Manufacturer String

- Serial Number String

• Pin Selectable Options for Default Configuration

- Select Downstream Ports as Non-Removable

Ports

- Select Downstream Ports as Disabled Ports

- Select Downstream Port Power Control and

Over-Current Detection on a Ganged or Indi-

vidual Basis

- Select USB Signal Drive Strength

- Select USB Differential Pair Pin location

USB2517/USB2517I

USB 2.0 Hi-Speed 7-Port Hub Controller

类似零件编号 - USB2517

制造商	部件名	数据表	功能描述
SMSC Corporation	USB2517	1Mb / 72P	USB 2.0 Hi-Speed Hub Controller
	USB2517-JZX	1Mb / 72P	USB 2.0 Hi-Speed Hub Controller
	USB2517i-JZX	1Mb / 72P	USB 2.0 Hi-Speed Hub Controller

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类似说明 - USB2517

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