SMSC USB20H04 Table of Contents, Pinout, Chapter, Chapter, Limiting Values, Hub Descriptors, Package Outline, General Description, Electrical Characteristics

4-Port USB 2.0 Controller

Datasheet

Table of Contents

Chapter 1		General Description .............................................................................................................	5
1.1	Applications .........................................................................................................................................		5
1.2	OEM Selectable Features ...................................................................................................................		6
1.3	Pin Selectable Options to the Default Configuration...........................................................................		6
Chapter 2 Functional Block Diagram ..................................................................................................			7
Chapter 3		Pinout ....................................................................................................................................	8
Chapter 4 Interface Signal Definition ..................................................................................................			9
4.1	Pin Descriptions ..................................................................................................................................		9
4.2	Buffer Type Descriptions...................................................................................................................		11
Chapter 5		Limiting Values ..................................................................................................................	12
Chapter 6		Electrical Characteristics ..................................................................................................	13
6.1	Dynamic Characteristics: Analog I/O Pins (DP/DM) .........................................................................		15
Chapter 7		Functional Overview..........................................................................................................	16
7.1	Bus-Power Detect .............................................................................................................................		16
7.2	Upstream PHY ..................................................................................................................................		16
7.3	Clock/PLL ..........................................................................................................................................		16
7.4	Internal Configuration Select.............................................................................................................		16
7.5	Serial Interface ..................................................................................................................................		17
7.5.1		SMBus Slave ..........................................................................................................................................	17
7.5.2		I2C Memory Interface..............................................................................................................................	17
7.6	Repeater............................................................................................................................................		17
7.7	SIE.....................................................................................................................................................		17
7.8	Controller...........................................................................................................................................		17
7.9	Transaction Translator (TT) ..............................................................................................................		18
7.10	Port Controller ................................................................................................................................		18
7.11	Downstream PHY...........................................................................................................................		18
7.12	OC Sense/Switch Driver ................................................................................................................		18
7.12.1		Over-Current Sense ............................................................................................................................	18
7.12.2		Switch Driver .......................................................................................................................................	18
7.13	LED Drivers....................................................................................................................................		18
Chapter 8		Implementation Notes........................................................................................................	20
8.1	Configuration Implementations .........................................................................................................		20
8.1.1 Interfacing a 2-wire Serial EEPROM.......................................................................................................			20
8.1.2		Internal Default Configuration .................................................................................................................	21
8.2	EEPROM Programming Values ........................................................................................................		21
8.3	Default Configuration Values ............................................................................................................		23
8.4	Reset	.................................................................................................................................................	24
8.4.1		External Hardware Reset........................................................................................................................	24
8.4.2		USB Reset..............................................................................................................................................	27
Chapter 9		Hub Descriptors .................................................................................................................	28
Chapter 10		Application Diagrams.....................................................................................................	33
Chapter 11		Package Outline ..............................................................................................................	35

SMSC USB20H04 Page 3 Revision 1.63 (03-30-07)

DATASHEET