USB3300 datasheet(46/49 Pages) SMSC

tên linh kiện	USB3300

Giải thích chi tiết về linh kiện	Hi-Speed USB Host, Device or OTG PHY with ULPI Low Pin Interface

PDF	49 Pages

Scroll/Zoom	100%

nhà sản xuất	SMSC [SMSC Corporation]

Trang chủ	http://www.smsc.com

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46 / 49 page

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

Datasheet

Revision 1.06 (07-19-06)

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

LOAD

CPEN

VBUS

VDD3.3

DATA0

DATA7

(MSB)

DATA5

DATA6

DATA2

DATA3

DATA4

DATA1

LOAD

VBUS

Host Only

VBUS

Host

Device

OTG Device

Min

100uF

1uF

Max

10uF

6.5uF

USB3300

Hi-Speed USB2

ULPI PHY

32 Pin QFN

USB3300

Hi-Speed USB2

ULPI PHY

32 Pin QFN

GND FLAG

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