Daughter Board
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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
The LED warning lights will become illuminated if the chip detects any of
the following faults: Fault (D1), Over Current (D3), Under Voltage (D4),
Temperature Warning (D5), Over Temperature (D2), Shutdown (D6), and
Over Current Latch (D7). Full descriptions of these faults can be found in
the data sheet.
2.2 Connectors and Jumpers
2.2.1 Master Board Connector (J3)
This male connector will be plugged into the matching female connector
on the underside of the Nuvoton Power Audio Master Board.
See Master
Board guide for pin out.
