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6 ulpi signal test points, 7 block diagram, Usb otg connector – Digilent EVB-USB3300-XLX User Manual

Page 4: 3x13 header

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EVB-USB3300-XLX User Manual

Revision 0.4 (06-29-07)

SMSC EVB-USB3300-XLX

4

2.6

ULPI Signal Test Points

The headers J2, J3 and J4 provide easy access to the ULPI signals, and each pin has a silk screen
label as shown in

Figure 1

.

2.7

Block Diagram

The EVB-USB3300-XLX block diagram shows how the jumpers are used on the board.

Figure 1 ULPI Signal Test Points

Figure 2 EVB-USB3300-XLX Block Diagram

USB3300

J5

5V DC

Input

U1

VBUS

ID

DP

DM

USB OTG

Connector

24 MHz XTAL

3x13

Header

J6

J7

5.6uF

150uF

Install to source +5V

from the FPGA

development system.

VBUS Switch
500 mA current limit
w/ Fault Detection

ONA

FAULTAn

VDD3.3

5V

EXTVBUS

CPEN

VDD3.3

ULPI Signals

DP

DM

ID

ULPI Bus

GND

J7 Install for
Host mode

J1