USB2524 datasheet(16/57 Pages) SMSC

номер детали	USB2524

подробное описание детали	USB MultiSwitchTM Hub

PDF	57 Pages

Scroll/Zoom	100%

производитель	SMSC [SMSC Corporation]

домашняя страница	http://www.smsc.com

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USB MultiSwitchTM Hub

Datasheet

Revision 1.91 (08-22-07)

SMSC USB2524

DATASHEET

VDD PLL

VDDPLL18

+1.8V Filtered analog power for internal PLL.

This pin must have a 4.7

μF (or greater) ±20% (ESR

<0.1

Ω) 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.

Table 4.4 Power, Ground, and No Connect (continued)

NAME

SYMBOL

TYPE

FUNCTION

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