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NO.:
NAU83P20 Daughter Board
1
Introduction ............................................................................................. 2
2
Overview ................................................................................................. 3
2.1
NAU83P20 Daughter Board Overview ................................................... 3
2.1.1
Power Down Button ...................................................................... 3
Daughter Board
VERSION:
Setup
1
1.0
PAGE:
1
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Table of Contents
Related Manuals for Nuvoton NAU83P20
Summary of Contents for Nuvoton NAU83P20
- Page 1 Daughter Board NO.: VERSION: PAGE: NAU83P20 Daughter Board Setup Introduction ..................... 2 Overview ....................3 NAU83P20 Daughter Board Overview ........... 3 2.1.1 Power Down Button ..............3...
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Page 2: Table Of Contents
Standalone Operation ............... 10 1 Introduction The NAU83P20 Daughter Board is designed to be used either standalone or while attached to the Nuvoton Power Audio Master Board. This document will cover the setup of the NAU83P20 Daughter Board with and without the... -
Page 3: Reset Button
When the power down button is released the NAU83P20 will resume normal operation. 2.1.2 Reset Button When pressed the faults of the NAU83P20 will be reset into their power up state. 2.1.3 NAU82011 (x2) The NAU82011 is a 3W Class D audio amplifier, these provide the Class D input signal required by the NAU83P20. -
Page 4: Nau8402
2.1.5 NAU8402 The NAU8402 is a digital to analog converter that will take a digital input from the Nuvoton Power Audio Master Board and convert it into an analog signal that is fed to the NAU82011’s. 2.1.6 LED Warning Lights... -
Page 5: Slew Control (J2)
2.2.3 Positive Audio Input (J4/J7) If the jumpers are placed in the upper position the positive audio input will be fed from the Nuvoton Power Audio Master Board to the NAU82011’s. In the lower position the positive audio input will be taken from the NAU8402. -
Page 6: Nau82011 And Nau8402 Power Select Jumpers (J7/J8)
2.2.9 Speaker Plugs for Single Ended Operation (JP1/JP2/JP4/JP5) The left sides of these jumpers connect to the filtered output of the NAU83P20 for the positive side of the speaker. The right side connects to a voltage divider and capacitor network that provides a PVDD/2 reference for the negative side of the speaker during single-ended operation. -
Page 7: Vdd High Voltage Connection
VDD High Voltage Connection This jumper connects the PVDD1/2 (NAU83P20 Class D drivers) Pins to the VDDHV (NAU83P20 Circuitry) Pin. If this jumper is not in place an external power supply need to be connected to the VDDHV side of the jumper so that the chip’s internal circuitry can function. -
Page 8: Setup
Power Input to the NAU8402 (J1) should be left open as it is not in use, section 2.2.6 3.1.4 GUI 3.1.4.1 Select NAU83P20 in the Chip Select drop down menu 3.1.4.2 Enable the NAU82011s 3.1.4.3 Ensure the NAU83P20 is powered up and not in Power Down or Mute states... -
Page 9: I2S Input From Nuvoton Power Audio Master Board
Select Desired Power Input Source to the NAU82011s and NAU8402 (J8/J7), section 2.2.6 3.2.4 GUI 3.2.4.1 Select NAU83P20 in the Chip Select drop down menu 3.2.4.2 Enable the NAU82011s 3.2.4.3 Enable the NAU8402 3.2.4.4 Ensure the NAU83P20 is powered up and not in Power Down or Mute states... -
Page 10: Standalone Operation
Use Master Board Connector (J3) to apply the connections pictured below: 3.3.2 Select Desired Slew Control (J6), section 2.2.2 3.3.3 Place Positive Audio Input Jumpers to take signal from the Nuvoton Power Audio Master Board (J4/J7), section 2.2.3 3.3.4 Select Differential or Single Ended Operation Using the Negative Audio Input Jumper (J5), section 2.2.4...
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