Datasheet

2-Port USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB2412 7 Revision 1.3 (12-27-11)
DATASHEET
Chapter 1 Block Diagram
Figure 1.1 USB2412 Block Diagram
To Upstream
V
BUS
3.3 V
Upstream
PHY
Upstream
USB Data
Repeater
Controller
Serial
Interface
Engine
Port
Controller
Bus-
Power
Detect/
V
bus
Pulse
PHY#1
Transaction
Translator
USB Data
Downstream
USB Data
Downstream
3.3 V
PLL
24 MHz
Crystal
Routing & Port Re-Ordering Logic
Regulator
CRFILT
Regulator
PHY#2