Exar Power XR Series User manual

Programmable Power Technology




1

This kit contains everything you need to become procient in PowerXR – just supply the
computer & power:
1. XRP7714EVB-DEMO-2 or XRP7714EVB-DEMO-2P demonstration board
2. XRP77XXEVB-XCM conguration board
3. USB Flash Drive with PowerArchitect™ Software
4. USB cable
2
Orient the Exar Communications Module (XCM) and the Demo Board as shown.
Align the pins of the 10 pin headers. Press the boards together to mate the XCM
to the Demo Board.
Plug in the USB stick and double click . This will
guide you through the installation wizard.
XRP7714EVB-DEMO-2 XRP7714EVB-DEMO-2P

5
4
3
Plug in the USB cable from your PC to the XRP77XXEVB-XCM conguration board.
This is the only board with a USB connection on it.
Double click on the PowerArchitect executable. PowerArchitect will instruct
you to load a conguration, please select the right one to create. The board
should have been recognized already, if not, go to the File Menu and perform a
“Board Search” to locate the board. The evaluation board manual may also be
downloaded from www.exar.com/PowerXR.
Connect the positive lead of your bench supply to VIN (red arrow) and the
negative lead to Ground (yellow arrow). For the XRP7714EVB-DEMO-2, 
. For the XRP7714EVB-DEMO-2P, you may also use the provided
power connector as indicated below. This board is 

Power
Connector

XRP7714EVB-DEMO-2 XRP7714EVB-DEMO-2P



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