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USB3300 Datasheet(PDF) 46 Page - SMSC Corporation

Part # USB3300
Description  Hi-Speed USB Host, Device or OTG PHY with ULPI Low Pin Interface
PDF  49 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB3300 Datasheet(HTML) 46 Page - SMSC Corporation

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Hi-Speed USB Host, Device or OTG PHY with ULPI Low Pin Interface
Datasheet
Revision 1.06 (07-19-06)
46
SMSC USB3300
DATASHEET
Chapter 7 Application Notes
7.1
Application Diagram
In addition to the 4.7uF bypass capacitor for VDD3.3 shown in Figure 7.1, each VDD3.3 pin should
have an additional capacitor to ground, of value 0.01 or 0.1 uF (not shown for clarity). Approximately
equal numbers of each value should be used.
7.2
Multi-port Applications
To support multiple ports a single USB3300 host can be combined with one of SMSC’s many hub
products to expand the number of ports. SMSC has 2-port, 3-port, 4-port, and 7-port hub designs which
can be used to expand the number of ports in a design.
Figure 7.1 USB3300 Application Diagram
USB
Connector
(Standard
or Mini)
ULPI Interface
to LINK
5 Volt
Supply
VDD3.3
Fault
3.3 Volt
Supply
C
LOAD
CPEN
VBUS
ID
VDD3.3
DM
DP
DATA0
DATA7
(MSB)
DATA5
DATA6
DATA2
DATA3
DATA4
DATA1
12
C
LOAD
C
VBUS
Host Only
C
VBUS
Host
Device
OTG Device
Min
100uF
1uF
1uF
Max
10uF
6.5uF
USB3300
Hi-Speed USB2
ULPI PHY
32 Pin QFN
1
2
3
4
5
6
7
8
USB3300
Hi-Speed USB2
ULPI PHY
32 Pin QFN
GND FLAG
24
23
22
21
20
19
18
17



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