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USB3250 Datasheet(PDF) 7 Page - SMSC Corporation

Part # USB3250
Description  USB2.0 PHY IC
PDF  48 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB3250 Datasheet(HTML) 7 Page - SMSC Corporation

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USB2.0 PHY IC
Datasheet
SMSC GT3200, SMSC USB3250
7
Revision 1.5 (03-24-06)
DATASHEET
Chapter 2 Functional Block Diagram
Note: See Section 7.1, "Modes of Operation," on page 23 for a description of the digital interface.
Figure 2.1 Block Diagram
VALIDH
PWR
CONTROL
FS SE+
RX
TX State
Machine
Parallel to
Serial
Conversion
Bit Stuff
NRZI
Encode
TX
LOGIC
Clock
Recovery Unit
Clock
and
Data
Recovery
Elasticity
Buffer
VP
VM
BIASING
Bandgap Voltage Reference
Current Reference
PLL and
XTAL OSC
System
Clocking
FS RX
FS SE-
HS RX
HS SQ
RX State
Machine
Serial to
Parallel
Conversion
Bit Unstuff
NRZI
Decode
RX
LOGIC
DM
TX
1.5kΩ
FS TX
HS TX
HS_DATA
HS_CS_ENABLE
HS_DRIVE_ENABLE
OEB
VMO
VPO
RPU_EN
DP
RXVALID
RXACTIVE
RXERROR
TXREADY
RESET
SUSPENDN
XCVRSELECT
TERMSELECT
OPMODE[1:0]
LINESTATE[1:0]
CLKOUT
TXVALID
DATABUS16_8
DATA[15:0] *



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