SMSC USB2513i Chapter 2 Block Diagram, PLL, PHY, SIE, Port, Pulse, TT #1, TT #2, TT #3, PHY#1, PHY#2, PHY#3, Serial, Port #1, Port #2, Port #3, Upstream, 1.8V Reg, Repeater

Industrial Temperature Rated USB 2.0 High-Speed 3-Port Hub Controller

Datasheet

Chapter 2 Block Diagram

To Upstream	Upstream USB			24 MHz Crystal			To EEPROM or
VBUS		Data					SMBus Master
			3.3V			1.8V				SD SCK
					PLL				Serial
Bus-Power	Upstream							Interface
Detect/VBUS					1.8V Reg
	PHY
Pulse
					SIE
								Controller
	Repeater

TT #1	TT #2	TT #3	Port
			Controller

Routing & Port Re-Ordering Logic

	Port #1				Port #2				Port #3
		OC				OC				OC
PHY#1		Sense		PHY#2	Sense			PHY#3		Sense
		Switch			Switch					Switch
		Driver				Driver				Driver
		LED				LED				LED
		Drivers			Drivers					Drivers
USB Data			USB Data				USB Data
	OC Sense				OC Sense				OC Sense
Downstream Switch/LED			Downstream Switch/LED				Downstream Switch/LED
		Drivers				Drivers				Drivers

Figure 2.1 USB2513i Block Diagram

Revision 1.98 (11-19-07)	8	SMSC USB2513i
	DATASHEET