USB2512I Ver la hoja de datos (PDF) - SMSC -> Microchip

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USB2512I

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller

SMSC -> Microchip 

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller

Datasheet

Chapter 2 Block Diagram

To Upstream

VBUS

Upstream USB

D a ta

24 M Hz Crystal

3.3V

1.8V

To EEPROM or

SM Bus M aster

SD SCK

B u s -P o w er

D e te c t/V BUS

P u ls e

U p s tre a m

PHY

R e p e a te r

PLL

1.8V Reg

S IE

S e ria l

Interface

C o n tro lle r

TT

Port

C o n tro lle r

Routing & Port Re-Ordering Logic

PHY#1

Port #1

OC

Sense

S w itch

D riv e r

LED

D rive rs

PHY#2

Port #2

OC

Sense

S w itc h

D riv e r

LED

D rivers

USB Data OC Sense

Downstream Switch/LED

D rive rs

USB Data OC Sense

Downstream Switch/LED

D riv e rs

Figure 2.1 USB2512i Block Diagram

SMSC USB2512i

7

DATASHEET

Revision 1.92 (11-28-07)

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