SMSC USB2512Ai User Manual download pdf (Page 7)

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

Datasheet

SMSC USB2512Ai 7 Revision 1.97 (08-11-08)

DATASHEET

Chapter 2 Block Diagram

Figure 2.1 USB2512Ai Block Diagram

To Upstream

BUS

3.3V

Upstream

PHY

Upstream USB

Data

Repeater

Controller

SIE

Serial

Interface

PLL

24 MHz Crystal

To EEPROM or

SMBus Master

Routing & Port Re-Ordering Logic

SCKSD

Port

Controller

Bus-Power

Detect/V

BUS

Pulse

1.8V

1.8V Reg

PHY#1

Port #1

Sense

Switch

Driver

LED

Drivers

PHY#2

Port #2

Sense

Switch

Driver

LED

Drivers

USB Data

Downstream

OC Sense

Switch/LED

Drivers

USB Data

Downstream

OC Sense

Switch/LED

Drivers

1 2 3 4 5 6 7 8 9 10 11 12 ... 36 37

USB2512Ai 1
Table of Contents 3
List of Figures 4
List of Tables 5
Chapter 1 Pin Configuration 6
Chapter 2 Block Diagram 7
Chapter 3 Pin Descriptions 8
DATASHEET 10
4.1 2-Port Hub 13
4.2 EEPROM Interface 13
C EEPROM 24
4.3 SMBus Slave Interface 25
Byte Count = N 26
4.6 Reset 27
Datasheet 28
Chapter 5 DC Parameters 32
5.2 Operating Conditions 33
Chapter 6 AC Specifications 36
Chapter 7 Package Outline 37

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