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WM8985-6160-FL32-M-REV2
Example Configurations
WOLFSON MICROELECTRONICS plc
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August 2008, Rev 1.0
Copyright ©2008 Wolfson Microelectronics plc
DOC TYPE:
EXAMPLE CONFIGURATIONS
BOARD REFERENCE:
WM8985-6160-FL32-M-REV2
BOARD TYPE:
Customer Mini Board
WOLFSON DEVICE(S):
WM8985
DATE:
August 2008
DOC REVISION:
Rev 1.0
INTRODUCTION
The WM8985-6160-FL32-M mini board is compatible with the 6160-EV1 customer evaluation board
and together provide a complete hardware platform for evaluation of the WM8985. The WM8985 mini
board can also be used independently and connected directly to a processor board using flying wires
or appropriate headers. This document will cover both setups, but performance data will be based on
the Wolfson system with 6160-EV1 main board. Configurations covered are listed below:
• DAC playback to headphone LOUT1/ROUT1
• DAC playback to headphone LOUT2/ROUT2 Class D 16R Load
• MIC LIN-RIN to ADC
This document should be used as a starting point for evaluation of WM8985. It will not cover every
possible usage mode.
Assumptions:
1. The user is familiar with the 6160-EV1 main board and that the board is configured
correctly for the path of interest (see related documents below)
2. The user has set up WISCE as per instruction and has control of the DUT (register settings
provided in this document and the WISCE installation software)
Related documents:
1. WM8985-6160-FL32-M-REV2 Schematic and Layout.pdf
2. 6160-EV1 Schematic and Layout.pdf
3. WISCE Quick Start Guide.pdf
The audio interface is connected to the main board through the S/PDIF ELECTRICAL IN and S/PDIF
OPTICAL OUT connectors. All control signals for the 3-wire interface to the device are through the
USB interface.
WM8985-6160-FL32-M-REV2 Customer Information
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August 2008, Rev 1.0
Customer Information
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TABLE OF CONTENTS
INTRODUCTION .............................................................................................................1
TABLE OF CONTENTS ..................................................................................................2
BOARD CONFIGURATION WM8985 STAND-ALONE...................................................3
CONNECTION DIAGRAM.......................................................................................................3
I/O TABLE ...............................................................................................................................4
BOARD CONFIGURATION USING 6160-EV1 MAIN BOARD .......................................6
DAC PLAYBACK TO HEADPHONE (LOUT1/ROUT1) ............................................................6
DAC PLAYBACK TO HEADPHONE (LOUT2/ROUT2) CLASS D 16R LOAD..........................8
MIC LIN-RIN TO ADC............................................................................................................10
APPLICATION SUPPORT ............................................................................................12
IMPORTANT NOTICE ...................................................................................................13
ADDRESS: ............................................................................................................................13