Related Manuals for Nuvoton NAU8224
Summary of Contents for Nuvoton NAU8224
- Page 1 NAU8224 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 installation disc. NAU8224 User Manual April, 2016 Rev 1.0...
- Page 2 The NAU8224 has four selectable gain settings 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.
- Page 3 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. Once done, click on Next. NAU8224 User Manual April, 2016 Rev 1.0...
- Page 4 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 click on the Next button. NAU8224 User Manual April, 2016 Rev 1.0...
- Page 5 NAU8224 6. Click on Finish to complete the installation and exit. NAU8224 User Manual April, 2016 Rev 1.0...
- Page 6 NAU8224 7. The GUI will appear under Nuvoton ClassD under All Programs. Click on NAU8224 to launch the GUI. 3. EVB Set Up NAU8224 User Manual April, 2016 Rev 1.0...
- Page 7 For optimum performance the board should be power up with J25 in the power down state. Once the power is applied J25 can be set to power up the board. Then, the input signal can be applied. Important note: NAU8224 User Manual April, 2016 Rev 1.0...
- Page 8 Pin 3 is a GPIO pin which connects to the enable (EN) pin of the chip. Pins 5 and 7 are the serial Data and Serial clock lines. An external 2-wire master can be used to send the commands. The bundled USB dongle could be used to control the volume using the NAU8224 GUI. Pin 10 is the ground pin. NAU8224 User Manual April, 2016 Rev 1.0...
- Page 9 NAU8224 4. Schematic: NAU8224 User Manual April, 2016 Rev 1.0...
- Page 10 NAU8224 5. NAU8224 GUI The NAU8224 evaluation kit comes along with the NAU-ES_MINI_USB dongle and GUI to control the volume. The GUI has just a single screen and has a very simple layout. Once installed the GUI shows up as below The first step is to hit the Power Up button.
- Page 11 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.
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