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User manual for MA evaluation boards
MA2304DNS/MA2304PNS
Operating the demonstration board
3.5
MERUS™ amplifier tool
The demonstration board is used with PC graphical user interface (GUI) software to control the MA2304xNS
device.
The MA2304xNS can play audio by default without configuration, but to take advantage of the many features
the chip offers it is necessary to configure the device.
Refer to the MERUS™ amplifier tool user manual for details on how to install and use this software.
Figure 10
MA2304DNS GUI main window
3.6
MA2304xNS start-up sequence
Follow this (recommended) sequence to start the board:
1.
Make sure toggle buttons are in "off" and "mute" positions.
2.
Connect all cables (speakers/load, USB and power) to the EVK.
3.
Connect an external I
3.3 V.
4.
Turn on the PVDD power supply.
5.
Make sure the I
2
S clocks are present before enabling the amplifier.
6.
Start board by setting the SW_ENABLE toggle switch to the "on" position.
7.
Start playing sound by setting the SW_MUTE toggle switch to the "unmute" position.
Mute and turn off the PVDD power supply when finished.
User Manual
S digital audio source to the EVK digital I/O header (J1). The EVK default I/O voltage is
2
13
V 1.0
2022-08-26
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