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Small Footprint Hi-Speed USB 2.0 Device PHY with UTMI Interface
Datasheet
SMSC USB3290 7 Revision 1.5 (11-02-07)
DATASHEET
Chapter 2 Functional Block Diagram
Figure 2.1 USB3290 Block Diagram
PWR
Control
FS SE+
R
X
UTMI
Interface
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
RBIAS
VDD3.3
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
1.5k
Ω
FS
TX
HS
TX
HS_DATA
HS_CS_ENABLE
HS_DRIVE_ENABLE
OEB
VMO
VPO
RPU_EN
MUX
DP
R
X
V
A
L
I
D
R
X
A
C
T
I
V
E
R
X
E
R
R
O
R
T
X
R
E
A
D
Y
RESET
SUSPENDN
XCVRSELECT
TERMSELECT
O
P
M
O
D
E
[
1
:
0
]
LINESTATE[1:0]
CLKOUT
TXVALID
D
A
T
A
[
7
:
0
]
XI
XO
1.8V
Regulator