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USB3450 Datasheet(PDF) 9 Page - SMSC Corporation

Part # USB3450
Description  HI-SPEED USB HOST OR DEVICE PHY WITH UTMIINTERFACE
PDF  40 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB3450 Datasheet(HTML) 9 Page - SMSC Corporation

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Hi-Speed USB Host or Device PHY With UTMI+ Interface
Datasheet
SMSC USB3450
9
Revision 0.1 (05-11-05)
DATASHEET
Chapter 2 Functional Overview
The USB3450 is a highly integrated USB transceiver system. It contains a complete Hi-Speed PHY
with the UTMI+ industry standard interface to support fast time to market for a USB controller. The
USB3450 is composed of the functional blocks shown in Figure 2.1 below.
Figure 2.1 USB3450 Block Diagram
UTMI+
Digital
24 MHz
XTAL
Internal
Regulator &
POR
Bias
Gen.
XCVRSEL[1:0]
VDD3.3
XTAL &
PLL
VDD3.3
DP
DM
USB3450
RBIAS
Mini-AB
USB
Connector
HS XCVR
FS/LS
XCVR
Resistors
TERMSEL
TXREADY
SUSPENDN
TXVALID
RESET
RXACTIVE
OPMODE[1:0]
CLKOUT
LINESTATE[1:0]
HOSTDISC
DATA[7:0]
HOST
RXERROR



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