Hi-Speed USB Host or Device PHY with ULPI Low Pin Interface

SMSC USB3300

9

Revision 1.02 (02-16-05)

PRODUCT PREVIEW

Application Notes

Application Diagram

Figure 5 USB3300 Application Diagram

In addition to the 4.7uF VDD3.3 bypass capacitor, it is recommend that each power pin have a

capacitor to ground alternating between 0.1uF and 0.01uF (not shown for clarity).

GND FLAG

Ground

N/A

Ground. The flag must be connected to the ground

plane with a via array under the exposed flag. This

is the main ground for the IC.

Table 1 USB3300 Pin Definitions (continued)

PIN

NAME

DIRECTION,

TYPE

ACTIVE

LEVEL

DESCRIPTION

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