Cadence advances radar, lidar & communications processing for automotive, consumer & industrial markets

30 June 2022

New Tensilica ConnX 110 & ConnX 120 DSPs provide optimal PPA (power, performance & area) and more flexible compute options.

Electronics design expert, Cadence Design Systems has expanded its popular Tensilica® ConnX family of radar, lidar and communications DSPs (digital signal processors) with the debut of two new DSP IP (intellectual property) cores for embedded processing in the automotive, consumer and industrial markets. The small, low-power Cadence® Tensilica ConnX 110 and ConnX 120 DSPs share a common instruction set architecture (ISA) with the proven high-performance ConnX B10 and B20 DSPs, offering customers even greater design flexibility. Together, these four DSPs cover a broad performance range from the low to the ultra-high-end, delivering scalable best-in-class, power, performance and area (PPA). For more information, visit: www.cadence.com/go/connx110

The 128-bit ConnX 110 DSP and 256-bit ConnX 120 DSP feature an N-way programming model and are fully compatible with the ConnX B10 and B20 DSPs, preserving software compatibility for easy migration. Like the rest of the Tensilica DSP portfolio, the ConnX 110 and ConnX 120 DSPs support the Tensilica Instruction Extension (TIE) language, which allows customers to tailor the instruction set, add specialised data types and implement tightly integrated interfaces between the DSP and external logic. In addition, the new DSPs are supported by a comprehensive set of complex math library functions in the NatureDSP, Eigen and Radar libraries. All ConnX DSPs are automotive-ready with full ISO 26262 compliance to ASIL-D with FlexLock or to ASIL-B.

The Tensilica ConnX 110 and 120 DSPs offer the following features and capabilities:

•    Optimised instruction set for radar, lidar & communications applications

•    128-bit (ConnX 110) & 256-bit (ConnX 120) SIMD performance for complex math operations based on 8-, 16- & 32-bit fixed-point & half-, standard- & double-precision floating-point

•    Common instruction set & simplified programming model, allowing code to be written once & utilised across different SIMD widths within the ConnX family

•    Architecture optimised for small memory footprint & low-power signal processing

Cadence_ConnX_110_120_Block_Diagram
Cadence_ConnX_110_120_Block_Diagram

•    Optional acceleration operations for linear-feedback shift, convolutional encoding, single peak search & dual peak search

•    The ConnX 120 additionally offers Viterbi & Turbo decoders

NXP continues to rely on the Cadence Tensilica DSP cores for our ADAS (advanced driver assistance systems) product offerings,” said Robert Dunnigan, Director, Program Management, ADAS at NXP® Semiconductors. “We have several generations of radar products covering applications from simple corner radar to advanced front end and 4D imaging radar solutions that all utilise these DSP cores. We are looking forward to the advancements in feature set and performance improvements that the ConnX family of products will bring, as well as the continued focus on Automotive ASIL-B/D support as well as ISO 26262 compliance that Cadence provides with their DSP offerings.

indie is committed to developing multiple sensor modalities to enable safer vehicles in the pursuit of the uncrashable car,” said Lionel Federspiel, Executive Vice President of Engineering for indie Semiconductor. “Cadence’s Tensilica ConnX processor family in conjunction with indie's architecture is ideally suited to implement unique design solutions with high performance, low power and gate count optimisation. As a pure-play automotive solutions innovator, quality and reliability are essential to the success of our products.

Radar and communications processing trends require solutions that perform more processing in less time,” said David Glasco, Vice President of Research & Development for Tensilica IP at Cadence. “Automotive radar demands multi-antenna, high-resolution systems with rapid response. Similarly, 5G wireless communications requires much higher data rates and lower latencies than previous generations. The Tensilica ConnX 110 and ConnX 120 DSPs meet these demands by extending the already-efficient processing capability of the ConnX DSPs and enhancing them with even more fixed- and floating-point complex data processing capacity at low power and area.


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