EB-GS2985-S
Evaluation Board User Guide
52246 - 2
July 2009
2 of 25
Contents
General Description..........................................................................................................................................3
Evaluation Kit Contents ...................................................................................................................................3
Overview ..............................................................................................................................................................4
1. Evaluation Board User Guide ....................................................................................................................5
1.1 SDI Inputs and Outputs ..................................................................................................................6
1.2 DDO1/RCO Output ..........................................................................................................................6
1.3 SPI Interface .......................................................................................................................................6
1.4 GS2985 RCLK Control I/O ..............................................................................................................6
1.5 GS2984 EQ Control I/O ...................................................................................................................7
1.6 GS2988 CD Control I/O ..................................................................................................................8
1.7 Power Pins ...........................................................................................................................................9
1.8 Measuring ORL ............................................................................................................................... 11
1.9 Board & Software Setup Instructions ...................................................................................... 11
1.9.1 Installing the Gennum USB Dongle Board Software ............................................. 11
1.9.2 Installing the GS2985 Control Software..................................................................... 13
1.9.3 Setting Up the Hardware ................................................................................................ 16
1.9.4 GS2985 Control Software ............................................................................................... 17
Functionality of Buttons ............................................................................................................................... 18
Functionality of Knobs.................................................................................................................................. 18
Pin Override Functionality .......................................................................................................................... 19
1.9.5 Start-up Process ................................................................................................................. 19
1.10 Optional Connectors .................................................................................................................. 19
2. Schematics .................................................................................................................................................... 20
2.1 EB-GS2985-S Schematic .............................................................................................................. 20
2.2 Power & Control Schematic ....................................................................................................... 21
3. Board Layout................................................................................................................................................ 22
4. Bill of Materials............................................................................................................................................ 23
Version
ECR
Date
Changes and / or Modifications
2
152337
July 2009
Updates to Sections
1.9.4 GS2985 Control
Software
,
2. Schematics
and
4. Bill of
Materials
. Added Section
Pin Override
Functionality
.
1
152007
June 2009
Changed inductor value in Section
2.1
EB-GS2985-S Schematic
and Section
4. Bill of
Materials
. Modified Section
1.8 Measuring
ORL
.
0
151624
May 2009
New document.
