USB2503A-HZH(2006) Ver la hoja de datos (PDF) - SMSC -> Microchip

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USB2503A-HZH
(Rev.:2006)

Integrated USB 2.0 Compatible 3-Port Hub

SMSC -> Microchip 

Integrated USB 2.0 Compatible 3-Port Hub

Datasheet

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

NAME

VDD3P3

CORE

PLL

VSS

SYMBOL

VDD33CR

VSS

TYPE

FUNCTION

+3.3V I/O and Core power.

Ground.

BUFFER

I

IPD

IPU

IS

O12

I/O12

IOSD12

ICLKx

OCLKx

I-R

IO-U

AIO

Table 4.5 Buffer Type Descriptions

DESCRIPTION

Input.

Input, with a weak Internal pull-down.

Input, with a weak Internal pull-up.

Input with Schmitt trigger.

Output 12mA.

Input/Output, 12mA

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

requirements.

XTAL Clock Input

XTAL Clock Output

*RBIAS.

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.

Analog Input/output. Per PHY test requirements.

SMSC USB2503/USB2503A

13

DATASHEET

Revision 2.1 (12-06-06)

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