App note: Audio applications using PIC32 microcontrollers

Here is an app note from Microchip introducing the audio-specific features of the PIC32 MCUs. One of the features disused is the hardware SPI module that supports some standard audio communication modes.

In this application note, the available audio-specific features of the PIC32 MCU are explored to address these needs. The SPI module supports different standard audio communication modes and offers high bit resolution for high-quality audio applications. The flexible reference clock output feature of the PIC32 MCU can be used to provide the master clock to the analog front-end to generate the different sample rates. The PIC32 MCU also offers the USB Host and Device module with flexible PLL clocking schemes at low power.

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