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MSP430FR2355: Smart combo for audio processing

Part Number: MSP430FR2355

Hello,
customer needs a compact solution for signalling tones, speech and sounds on a small loudspeaker and also measuring enviroments noise with a microphone. I thought to use MSP430FR2355 for this tasks. I thought of following way:

Measuring sound:
Microphone -> OA -> 12bit-ADC -> CPU

Generating sound:
Flash -> CPU/DMA -> 12bit DAC -> OA -> loudspeaker

Can this work? Is there any reference design?

Regards, Holger


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