ZSP420 is an energy efficient DSP core ideal for voice and audio applications that require a balance between area, performance and power. Target products include tablets, handsets, smart phones, toys, hearing aids, VoIP phones, audio players, VoIP gateway and other embedded DSP and control applications.

For cost-sensitive products, ZSP420 can serve as both a power efficient DSP as well as the controller, eliminating the need for an expensive microcontroller in the system.