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First Step: Light up LEDs
46
SNVU382A – April 2014 – Revised June 2014
Copyright © 2014, Texas Instruments Incorporated
Quick Start Guide
D.2
First Step: Light up LEDs
NOTE:
Before powering up the EVM, software and driver should be installed.
When powering up the EVM for the first time follow these steps:
1. Connect USB cable to connector J4.
2. Connect 5V supply to J6. Check jumper J8, it should be at “EXT” (EXT RAIL) position. For basic
functionality testing/demo purposes you can also use USB cable connected to J4 to provide 5V. In this
case J8 should be at “5V” position.
3. Connect V
BATT
(12V) supply to J2.
4. Run software:
a. Press
Init USB
– the user should see line stating firmware version. This step is not mandatory if
software is opened after USB was connected.
b. Enable the LP8860-Q1.
c. Not mandatory – check register content,
Read registers
. This will read the register contents of the
LP8860-Q1 and make sure GUI reflects the register state.