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Hi-Speed USB Device PHY with UTMI Interface
Datasheet
SMSC USB3280 41 Revision 1.5 (11-15-07)
DATASHEET
8.14 Application Diagram
Figure 8.9 USB3280 Application Diagram
UTMI
USB
POWER
TXVALID
TXREADY
RXACTIVE
RXVALID
RXERROR
XCVRSELECT
TERMSELECT
SUSPENDN
RESET
OPMODE 0
OPMODE 1
LINESTATE 0
LINESTATE 1
CLKOUT
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
XI
XO
DP
DM
VDDA1.8
VDD1.8
VDD1.8
VDD3.3
VDD3.3
REG_EN
VDD3.3
VDD3.3
VDD3.3
VSS
USB-B
GND
VDD3.3
1ΜΩ
24 MHz
Crystal
C LOAD
C LOAD
26
25
24
23
22
21
20
19
32
31
33
17
30
7
34
35
10
18
29
1
2
4
6
13
12
16
15
14
8
9
RBIAS
36
12KΩ
5
3
11
27
28
Exposed
Pad
4.7uF Ceramic
4.7uF Ceramic
4.7uF Ceramic
0.1uF and/or 0.01uF
ceramic capacitors are also
required on power supply
pins.