USB2514I-HZH Ver la hoja de datos (PDF) - SMSC -> Microchip

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USB2514I-HZH

Industrial Temperature Rated USB 2.0 High-Speed 4-Port Hub Controller

SMSC -> Microchip 

Industrial Temperature Rated USB 2.0 High-Speed 4-Port Hub Controller

Datasheet

Chapter 2 Block Diagram

To Upstream

VBUS

Upstream USB

Data

24 MHz Crystal

3.3V

1.8V

To EEPROM or

SMBus Master

SD SCK

Bus-Power

Detect/VBUS

Pulse

Upstream

PHY

Repeater

PLL

1.8V Reg

SIE

Serial

Interface

Controller

TT #1 TT #2 TT #3 TT #4

Port

Controller

Routing & Port Re-Ordering Logic

PHY#1

Port #1

OC

Sense

Switch

Driver

LED

Drivers

PHY#2

Port #2

OC

Sense

Switch

Driver

LED

Drivers

PHY#3

Port #3

OC

Sense

Switch

Driver

LED

Drivers

PHY#4

Port #4

OC

Sense

Switch

Driver

LED

Drivers

USB Data OC Sense USB Data OC Sense

Downstream Switch/LED Downstream Switch/LED

Drivers

Drivers

USB Data OC Sense USB Data OC Sense

Downstream Switch/LED Downstream Switch/LED

Drivers

Drivers

Figure 2.1 USB2514i Block Diagram

Revision 1.98 (11-19-07)

8

DATASHEET

SMSC USB2514i

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