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NAU8224   

 

NAU8224 User Manual 

 

   

April, 2016 

Rev 1.0 

 

be programmed using the text box and buttons on panel 1 or by moving the slider on panel 3. 
 
Panel 2 is used to reflect the value of the read only register 0x04 or the Gain setting of jumper J25. 
 
The Read All and Update button is used to reflect the changes in the register values in the register 
map. For example if the Gain jumper is changed on the board, to reflect the changes in the register 
map the Read all and update button must be clicked. 
 
The Quit button is used to exit from the GUI. 

Revision History 

VERSION 

DATE 

PAGE/ 
CHAP. 

DESCRIPTION 

V.05 

Oct. 8, 2013 

First Release. 

V1.0 

April, 2016 

Updated content 

 

 

 

 

 

 

 

 

 

Important Notice 

Nuvoton products are not designed, intended, authorized or warranted for use as components in systems or 
equipment intended for surgical implantation, atomic energy control instruments, airplane or spaceship 
instruments, transportation instruments, traffic signal instruments, combustion control instruments, or for other 
applications intended to support or sustain life. Furthermore, Nuvoton products are not intended for applications 
wherein failure of Nuvoton products could result or lead to a situation where personal injury, death or severe 
property or environmental damage could occur.   
Nuvoton customers using or selling these products for use in such applications do so at their own risk and agree 
to fully indemnify Nuvoton for any damages resulting from such improper use or sales. 
 
Please note that all data and specifications are subject to change without notice. All the trademarks of products 
and companies mentioned in this datasheet belong to their respective owners. 

 
 

Summary of Contents for NAU8214SG

Page 1: ...User Manual April 2016 Rev 1 0 NAU8224 Evaluation Board User Manual NAU8224 Evaluation kit contents 1 NAU8224 Evaluation Board EVB 2 NAU ES_MINI_USB USB to 2 wire interface dongle 3 USB cable 4 GUI in...

Page 2: ...of 0dB 6dB 12dB 18dB and 24dB which can be controlled by a single gain pin The NAU8224 also has the provision for finer volume control using the 2 wire bus I2C style and the bundled GUI With 87dB PSR...

Page 3: ...anual April 2016 Rev 1 0 3 The next step is to select the installation directory location You can use the default location or select a different location using the Browse button and setting the path O...

Page 4: ...nual April 2016 Rev 1 0 4 Click the Next button to continue the installation process 5 The installer will now begin installation procedure and the following progress bar will be displayed Once done cl...

Page 5: ...NAU8224 NAU8224 User Manual April 2016 Rev 1 0 6 Click on Finish to complete the installation and exit...

Page 6: ...NAU8224 NAU8224 User Manual April 2016 Rev 1 0 7 The GUI will appear under Nuvoton ClassD under All Programs Click on NAU8224 to launch the GUI 3 EVB Set Up...

Page 7: ...dB 5 3 Center Top Pin 12dB 5 2 Center Left Pin 18dB 5 1 Center Bottom Pin 24dB Install J20 for enabling the 2 wire interface volume control via the USB using the bundled dongle in the kit Input Connec...

Page 8: ...n of the schematic is shown above In order to be able to control volume using this interface J20 jumper must be installed This connects the header to the NAU8224 volume control pins Pin 3 is a GPIO pi...

Page 9: ...NAU8224 NAU8224 User Manual April 2016 Rev 1 0 4 Schematic...

Page 10: ...up as below The first step is to hit the Power Up button This will ensure any changes in the register settings are written to the register map of the chip The register map shows the two main registers...

Page 11: ...zed or warranted for use as components in systems or equipment intended for surgical implantation atomic energy control instruments airplane or spaceship instruments transportation instruments traffic...

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