Overview

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.

tensilica-hifi-idma-128

Key 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

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

 

 
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

 

合作伙伴

Cadence 通过自身的 Tensilica 处理器 IP 融合了业界领导者的一流产品和服务,可帮助您加快系统级芯片设计的开发,同时达到严苛的功耗和性能要求。浏览下方的 Tensilica 处理器 IP 服务合作伙伴列表。

技术

汽车功能安全

Cadence 致力于在 Tensilica 处理器系列中实现功能安全应用,无论是现成可用的处理器/DSP IP,还是针对特定应用的、支持定制化的特定域处理器

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Tensilica 处理器技术

差异化,缩短上市时间,增加灵活性,获得最佳的性能、功率和面积

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TIE

为了优化性能,提高能效,实现差异化,可以对您的DSPs/处理器进行定制

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开发工具链

完美的匹配您的应用,工具框架保证正确性

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Support

Cadence is committed to keeping design teams highly productive with a range of support offerings and processes designed to keep users focused on reducing time to market and achieving silicon success.

Free Software Evaluation

Try our SDK Software Development Toolkit for 15 days absolutely free. We want to show you how easy it is to use our Eclipse-based IDE.

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Training

Our hands-on training has been demonstrated to dramatically speed up the understanding of Tensilica tools and best use of the products.

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