Chapter 3 Acronyms
I2C®: Inter-Integrated Circuit1
OCS: Over-Current Sense
PCB: Printed Circuit Board
PHY: Physical Layer
PLL: Phase-Locked Loop
QFN: Quad Flat No Leads
RoHS: Restriction of Hazardous Substances Directive
SCL: Serial Clock
SIE: Serial Interface Engine
SMBus: System Management Bus
TT: Transaction Translator
USB 2.0 Hi-Speed Hub Controller
Datasheet
1.I2C is a registered trademark of Philips Corporation.
Revision 1.0 (3-11-09)
10
DATASHEET
SMSC USB251x