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User manual for MERUS™ evaluation boards
EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B
Operating the demonstration board
6. Start the GUI software by running the executable file to monitor device status.
7. Make sure the GUI indicates a valid device ID and connection status (bottom right GUI).
8. Start playing music by setting the toggle switch to the "play" position.
9. Additional "optimized" settings can be programmed to the device: Hit "Load" → select config file in configs
subfolder → hit "Program".
Mute and turn off the PVDD power supply.
3.7
Digital (I
Follow this (recommended) sequence to start the board:
1. Make sure toggle buttons are in "shutdown" and "mute" positions.
2.
Connect all cables, including the PC by USB cable.
3.
Connect I
S to the I
2
4.
Make sure the clock select jumper is set to "slave" mode.
5.
Turn on the PVDD power supply.
6.
Make sure the I
S master clock is present before enabling the amplifier.
2
7.
Start the board by setting the toggle switch to the "enable" position.
8.
Start the GUI software by running the "MA Device GUI 6.5.0.exe" file.
9.
Make sure the GUI indicates a valid device ID and connection status (bottom right GUI).
10. Open the "Digital Audio Processor" in the GUI.
11. In the DAP window check "Digital audio enable" and "Audio processor enable".
12. The I
S set-up window will open when clicking "I2S setup". The correct I
2
13. Start playing sound by setting the toggle switch to the "play" position.
14. Additional "optimized" settings can be programmed to the device: Hit "Load" → select config file in configs
subfolder → hit "Program".
Mute and turn off the PVDD power supply.
User Manual
S) input configuration (MA12070P devices)
2
S audio input header.
2
11 of 23
S settings should be set here.
2
V 1.0
2023-03-02
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