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AN-000327

 

 

TDK reserves the right to change the detail specifications 

as may be required to permit improvements in the 

design of its products.

 

TDK Corporation 

1745 Technology Drive, San Jose, CA 95110 U.S.A 

 

 

+1(408) 988–7339 

www.tdk.com

 

Document Number: AN-000327 
Revision: 1.0 
Release Date: 1/28/2022 

 

 

 
 
 
 

 
 
 
 

 
 
 

 
 
 
 

 
 
 
 

 
 

TDK SmartSound One Evaluation Module User 

Guide 

 
 
 

 

 

Summary of Contents for SmartSound One

Page 1: ...s may be required to permit improvements in the design of its products TDK Corporation 1745 Technology Drive San Jose CA 95110 U S A 1 408 988 7339 www tdk com Document Number AN 000327 Revision 1 0 R...

Page 2: ...1 0 CONTENTS Overview 3 Key Features 3 Getting Started 4 Host Computer Setup 5 User Hardware Configuration 6 Reset 6 Mode 6 Configuration Header Settings 7 Block Diagram 9 Frequently Asked Questions 9...

Page 3: ...s Users can evaluate key performance specifications and characteristics by recording the audio over USB The board has been designed to maintain the audio signal integrity so that the full performance...

Page 4: ...ype TDK FPCB microphones can be connected to the ZIF connectors shown in Figure 2 to measure the audio output in any audio recording software Before using the board it is recommended to first follow t...

Page 5: ...Under the Advanced tab select 2 channel 16 bit 48000 Hz DVD Quality and hit Apply shown in Figure 5 Figure 5 Windows Sound Settings To verify that this was configured properly 1 Without any microphone...

Page 6: ...If the device were to malfunction for whatever reason pressing this button would allow the board to load factory default settings Mode Figure 8 LED indications for mode select The mode button shown in...

Page 7: ...ord measure on the host computer Configuration Header Settings Figure 9 Configuration header SmartSound One has four vertical user configurable header pins reference designator J7 which are shown in F...

Page 8: ...mode where applicable o For analog microphones HQM mode biases the microphone VDD with 2 75V while in LPM the microphone VDD is biased to 1 8V o For PDM microphones HQM mode sets the clock supplied t...

Page 9: ...up to two microphones of the output interface type at a time Mixing different interface microphones i e 1 Analog and 1 PDM will likely result in malfunctioning or abnormal behavior and can potentiall...

Page 10: ...AN 000327 Page 10 of 11 Document Number AN 000327 Revision 1 0 REVISION HISTORY REVISION DATE REVISION DESCRIPTION 1 18 2022 0 1 Initial Release 1 28 2022 1 0 Revised typos and updated pictures...

Page 11: ...ion contained in this document or from the use of products and services detailed therein This includes but is not limited to claims or damages based on the infringement of patents copyrights mask work...

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