The Cadence® Tensilica® HiFi 3 is a high-efficiency DSP, well suited for feature-enhanced applications such as hearables, mobile devices, ​home entertainment​ , and automotive.​

​Target functions include channel-based audio codecs, audio and speech pre- and post-processing​, GSM, AMR, and speech codecs.

Key Benefits

Performance Boost

Provides significant performance improvement over the Fusion F1 DSP to meet the demands of home audio systems

Music and Voice Clarity

Includes optimizations for noise reduction in music playback and voice communication applications

Energy Efficient

Highest MMAC/mw of the HiFi DSP Family

Audio, Speech Processing

Suitable for pre-processing as well as post-processing applications

ISO 26262 Compliant

Certified for ASIL-compliant and equipped with both hardware and software safety mechanisms



VLIW Slots 2


Fixed-Point MACs per Cycle

32x32 2
24x24 4
32x16 4
16x16 4
Accumulator 64-bit
FPU (Optional) Integrated 2-way SIMD Vector FPU
ITU Intrinsic Support Yes
Circular Buffer Support 1
Bitstream VLE/VLD Yes
User-Defined Instructions Yes


Cadence, through its Tensilica processor IP, brings together best-in-class products and services from industry leaders to help you accelerate the development of your SoC designs while meeting your demanding power and performance requirements. Browse the list of Tensilica processor IP service partners below.


Functional Safety for Automotive

Cadence is committed to enabling Functional Safety applications across the Tensilica processor lineup, whether it's an off-the-shelf processor/DSP IP or a custom domain-specific processor for a specific application

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