Audio development kit

17 August 2011 Design Automation

New from Microchip is a 32-bit microcontroller-based development kit for the creation of high-quality, 24-bit audio applications.

The Audio Development Board for PIC32 MCUs features an 80 MIPS PIC32, a 24-bit Wolfson audio codec, a two-inch colour LCD display, a USB interface and an onboard microphone. Supported by Microchip’s free software libraries, the kit provides a solution for the development of speech and audio recording and playback products.

The 80 MIPS PIC32MX795F512L MCU on the board features 512 KB Flash and 128 KB RAM, providing plenty of processing power and memory to decode, analyse and play back audio and speech. Libraries are available for speech recording and playback, as well as MP3 music decoding applications.

An audio sample rate conversion (SRC) library for 33 kHz, 44,1 kHz and 48 kHz is supported, which enables developers to reduce component costs for playback solutions. There are also libraries available for managing the USB interface and driving the onboard colour LCD display, which features 16-bit colour images. For those developers who are enrolled in the Apple ‘Made for iPod’ (MFi) licensing programme, the kit also interfaces to Microchip’s accessory development platform for iPod and iPhone.

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