USB2422 datasheet(45/51 Pages) SMSC

Teilenummer	USB2422

Bauteilbeschribung	2-Port USB 2.0 Hi-Speed Hub Controller

PDF	51 Pages

Scroll/Zoom	100%

Hersteller	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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45 / 51 page

2-Port USB 2.0 Hi-Speed Hub Controller

Datasheet

SMSC USB2422

Revision 1.0 (06-04-13)

DATASHEET

6.2

External Clock

50% Duty cycle

± 10%, 24 MHz ± 350 ppm.

The external clock is recommended to conform to the signaling level designated in the JESD76-2

specification on 1.2 V CMOS Logic. XTALOUT should be treated as a weak (< 1 mA) buffer output.

6.2.1

USB 2.0

The SMSC hub conforms to all voltage, power, and timing characteristics and specifications as set

forth in the USB 2.0 Specification [1]. See the USB Specification for more information.

6.3

SMBus Interface

The SMSC hub conforms to all voltage, power, and timing characteristics and specifications as set

forth in the SMBus 1.0 Specification [2] for slave-only devices (except as noted in Section 4.3,

"SMBus," on page 22).

USB2422 Datenblatt(PDF) 45 Page - SMSC Corporation