UCS81003 EVALUATION BOARD
USER’S GUIDE
2014 Microchip Technology Inc.
DS50002300A-page 5
Table of Contents
Introduction............................................................................................................ 7
Document Layout .................................................................................................. 7
Conventions Used in this Guide ............................................................................ 8
Recommended Reading........................................................................................ 9
The Microchip Web Site ........................................................................................ 9
Customer Support ................................................................................................. 9
Document Revision History ................................................................................... 9
1.1 Introduction ................................................................................................... 11
1.2 UCS81003 Evaluation System ..................................................................... 11
1.3 What the UCS81003 Evaluation Board Kit Contains .................................... 12
Chapter 2. Installation and Operation
2.1 Introduction ................................................................................................... 13
2.2 Connectors on the Evaluation Board ............................................................ 13
2.3 LEDs on the Evaluation Board ..................................................................... 14
2.4 Jumpers on the Evaluation Board ................................................................ 15
2.5 Data Test Points on the Evaluation Board ................................................... 17
2.6 Ground Test Points on the Evaluation Board ............................................... 18
2.7 Software Installation ..................................................................................... 19
Chapter 3. Hardware Description
3.1 UCS81003 Device ........................................................................................ 21
3.2 Evaluation Board Power Source .................................................................. 21
3.3 MCP2221 USB-to-SMBus Bridge ................................................................. 22
3.4 MCP23018 I/O expander .............................................................................. 22
3.5 Direct SMBus Connect Option ..................................................................... 22
Chapter 4. Software Description
4.2.1 Panel Controls ........................................................................................... 25
4.2.2 Pin State and Attach Status Panel ............................................................ 27
4.2.3 Pin State & Attach Status Panel ................................................................ 27
