USB3300 SMSC Corporation, USB3300 Datasheet - Page 10

• Manufacturer Part Number: USB3300
• Description: Hi-Speed USB Host
• Manufacturer: SMSC Corporation

Chapter 3 Pin Layout
Revision 1.06 (07-19-06)
3.1
3.2
PIN
1
2
3
The USB3300 is offered in a 32 pin QFN package (5 x 5 x 0.9mm). The pin definitions and locations
are documented below.
The exposed flag of the QFN package must be connected to ground with a via array to the ground
plane. This is the main ground connection for the USB3300.
USB3300 Pin Diagram
Pin Function
NAME
CPEN
GND
GND
VDD3.3
CPEN
VBUS
Table 3.1 USB3300 Pin Definitions 32-Pin QFN Package
GND
GND
DM
DP
ID
Figure 3.1 USB3300 Pin Diagram - Top View
DIRECTION,
Ground
Ground
Output,
CMOS
1
2
3
4
5
6
7
8
TYPE
Hi-Speed USB2
Hi-Speed USB
DATASHEET
32 Pin QFN
32 Pin QFN
ACTIVE
ULPI PHY
ULPI PHY
LEVEL
USB3300
USB3300
High
GND FLAG
N/A
N/A
Hi-Speed USB Host, Device or OTG PHY with ULPI Low Pin Interface
10
DESCRIPTION
Ground
Ground
External 5 volt supply enable. This pin is used to
enable the external Vbus power supply. The CPEN
pin is low on POR.
24
23
22
21
20
19
18
17
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
SMSC USB3300
Datasheet