Datasheet

Hi-Speed USB Host, Device or OTG PHY with ULPI Low Pin Interface
Datasheet
Revision 1.1 (01-24-13) 10 SMSC USB3300
DATASHEET
Chapter 2 Functional Overview
The USB3300 is a highly integrated USB PHY. It contains a complete Hi-Speed USB 2.0 PHY with the
ULPI industry standard interface to support fast time to market for a USB product. The USB3300 is
composed of the functional blocks shown in Figure 2.1 below. Details of these individual blocks are
described in Chapter 6, "Architecture Overview," on page 21.
Figure 2.1 USB3300 Block Diagram
ULPI Digital
OTG
Module
DATA[7:0]
24 MHz
XTAL
Internal
Regulator &
POR
5V
Power
Supply
Bias
Gen.
CLKOUT
NXT
DIR
STP
VDD3.3
XTAL &
PLL
XI
CPEN
VBUS
ID
VDD3.3
DP
DM
USB3300
VDD1.8
VDDA1.8
m
XO
RBIAS
EXTVBUS
FAULT
Mini-AB
USB
Connector
HS XCVR
FS/LS
XCVR
Resistors
Rpu_dp
Rpd_dm
Rpd_dp
Rpu_dm
EN