USB2524 datasheet(12/58 Pages) MICROCHIP

номер детали	USB2524

подробное описание детали	USB MultiSwitch Hub

PDF	58 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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12 / 58 page

USB2524

DS00001588B-page 12

 2013 - 2016 Microchip Technology Inc.

TABLE 4-4:

POWER, GROUND, AND NO CONNECT

Name

Symbol

Type

Function

VDD Core

VDDCR18

+1.8V core power.

Pins 16 and 50 must have a 4.7

F (or greater) ±20%

(ESR <0.1

capacitor to VSS

VDDIO 3.3V

VDD33

+3.3V Power Supply for the Digital I/O.

VDD PLL

VDDPLL18

+1.8V Filtered analog power for internal PLL.

This pin must have a 4.7

F (or greater) ±20% (ESR

<0.1

capacitor to VSS

VDD Analog

I/O

VDDA33

+3.3V Filtered analog PHY power, shared between

adjacent ports.

VSS

Ground

No Connect

TABLE 4-5:

BUFFER TYPE DESCRIPTIONS

Buffer

Description

Input.

IPD

Input, Weak Internal pull-down.

IPU

Input, Weak Internal pull-up.

Input with Schmitt trigger.

IOSD12

Open drain….12mA sink with Schmitt trigger, and must meet I2C-Bus Specification Version 2.1

requirements.

ICLKx

XTAL Clock Input

OCLKx

XTAL Clock Output

I-R

RBIAS

IO-U

Defined in USB Specification.

Note:

Meets USB 1.1 requirements when operating as a 1.1-compliant device and meets

USB 2.0 requirements when operating as a 2.0-compliant device.

AIO

Analog Input/output. Per PHY test requirements.

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