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At Profusion we are taking the COVID-19 pandemic very seriously, and have put in place numerous precautions to keep our staff and customers safe. However, while we expect that the virus may cause some disruption, we are currently operating during normal business hours, and our carriers will be collecting new orders every day. (Read more)

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Keyboards

DREAM produces a comprehensive range of DSPs that vary in power and functionality, making them suitable for keyboards, electric pianos, drums and many other instruments. To aid design, DREAM offers numerous licensable code banks, some of which are free, as well as tools to create and edit your own samples. There is also a wide range of development kits and evaluation boards available.

The DREAM DSPs are packed full of useful peripherals and come with on-chip RAM. Use the APS1604M if you require extra memory for long delays or processing.

The USB charger NJW4119 is another IC to consider.

Keyboards: Recommended parts

SAM5808B
Medium-range Keyboard Synthesizer

Up to 168 maximum Polyphony (with effects)
Dream DSP Array of 8 new 24bit/56bit DSP cores (P24XT) supporting 56bit MAC operations (400M MAC/sec)
New speed optimized 16bit CPU (P16XT)
Built-in 1kbit eFuse for configuration and security (program code and sound bank protection)

SAM5716B
High-performance Effects Processor and MIDI Synthesizer

High-performance
Up to 256 voice Polyphony (with effects)
Dream DSP Array of 16 new 24bit/56bit DSP cores (P24XT) supporting 56bit MAC operations (800M MAC/sec)
New speed optimized 16bit CPU (P16XT) running at 200MHz

SAM5916B
High-performance Keyboard Synthesizer

Up to 256 voice Polyphony (with effects)
Dream DSP Array of 16 new 24bit/56bit DSP cores (P24XT) supporting 56bit MAC operations (800M MAC/sec)
New speed optimized 16bit CPU (P16XT)
Built-in 1kbit eFuse for configuration and security (program code and sound bank protection)