USB2422SLASHMJ datasheet(45/51 Pages) SMSC

部件名	USB2422/MJ

功能描述	2-Port USB 2.0 Hi-Speed Hub Controller

PDF	51 Pages

Scroll/Zoom	100%

制造商	SMSC [SMSC Corporation]

网页	http://www.smsc.com

标志

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/MJ 数据表(PDF) 45 Page - SMSC Corporation