SMSC USB20H04 Manuale Utente Scaricare il pdf (Pagina 7)

4-Port USB 2.0 Controller

Datasheet

SMSC USB20H04 Page 7 Revision 1.63 (03-30-07)

DATASHEET

Chapter 2 Functional Block Diagram

To Upstream

V

BUS

Upstream

PHY

Upstream

USB Data

Repeater

ControllerSIE

Serial

Interface

PLL

24 MHz

Crystal

To EEPROM or

SMBus Master

Routing Logic

SCKSD

TT

#1

TT

#2

TT

#3

TT

#4

Port

Controller

Downstream

PHY #1

Port #1

OC Sense

Switch Driver

LED Drivers

Downstream

PHY #4

Port #4

OC Sense

Switch Driver

LED Drivers

Downstream

USB Data

OC

Sense

Switch/LED

Drivers

Downstream

USB Data

OC

Sense

Switch/LED

Drivers

Bus-Power

Detect/

V

BUS

Pulse

Pin

Selectable

Options

Internal

Configuration

Select

Figure 2.1 - Block Diagram

1 2 3 4 5 6 7 8 9 10 11 12 ... 34 35

Commenti su questo manuale

Nessun commento