Vendor: Cadence Design Systems, Inc. Category: DSP Core

Tensilica HiFi 4 DSP

2X the performance of the HiFi 3 DSP for DSP-intensive applications like multi-channel, digital assistant front-end processing, a…

Overview

2X the performance of the HiFi 3 DSP for DSP-intensive applications like multi-channel, digital assistant front-end processing, and neural network-based ASR

The Cadence® Tensilica® HiFi 4 DSP provides 32-bit fixed and floating-point performance, for highly demanding DSP applications in smart speakers, home entertainment, and automotive infotainment. It is well suited for complex multi-mic far-field processing and wake word detection with neural network (NN) techniques for use in voice assistants. It supports the latest object-based codecs for use in STB and TV products.

VLIW Slots 4

 

Fixed-Point MACs per Cycle

 

 32x32 4
24x24 4
32x16 up to 8
16x16 up to 8
Accumulator 64/ 72-bit
FPU (Optional) 2 Integrated 2-way SIMD Vector FPU
ITU Intrinsic Support Yes
Circular Buffer Support 2
Bitstream VLE/VLD Yes
User-Defined Instructions Yes

Key features

  • Support for eight 32x16-bit MACs per cycle under specific conditions
  • Four very long instruction word (VLIW) slot architecture capable of issuing two 64-bit loads per cycle
  • Optional vector floating-point unit available, providing up to four single-precision IEEE floating-point MACs per cycle
  • Software compatibility with the complete HiFi DSP product line, totaling over 300 HiFi-optimized audio and voice codecs and audio enhancement software packages
  • HiFi NN library offers optimized set of library functions commonly used in NN processing (especially speech), which can easily be integrated into popular machine learning frameworks

Block Diagram

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Benefits

Complex, Object-Oriented Codec

Provides efficient execution of complex audio codecs for use in TVs, STBs, and soundbars

High DSP Performance

Doubles the performance of HiFi 3z DSP for compute-intensive functions such as FFT and FIR, and accommodates the most performance-hogging algorithms such as ANC, noise suppression, and sound analytics

NN-Based Voice Assistant

Combines high DSP performance with enhanced NN performance and is an excellent choice for reliable far-field voice assistant functions for TVs, STBs, soundbars, and smart speakers

ISO 26262 Compliant

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

Specifications

Identity

Part Number
Tensilica HiFi 4 DSP
Vendor
Cadence Design Systems, Inc.
Type
Silicon IP

Files

Product Sheet Download

Note: some files may require an NDA depending on provider policy.

Provider

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Frequently asked questions about DSP Core IP cores

What is Tensilica HiFi 4 DSP?

Tensilica HiFi 4 DSP is a DSP Core IP core from Cadence Design Systems, Inc. listed on Semi IP Hub.

How should engineers evaluate this DSP Core?

Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this DSP Core IP.

Can this semiconductor IP be compared with similar products?

Yes. Buyers can compare this product with similar semiconductor IP cores or IP families based on category, provider, process options, and structured technical specifications.

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