DSP IP with ASIL B(D) compliance certification

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By Ally Winning

The ISO 26262:2018 functional safety standard’s ASIL B(D) certification is required for the design of automotive SoCs that are to be used in autonomous driving and ADAS applications.

The ASIL B(D) certification features support for random hardware faults (ASIL B) and systematic faults (ASIL D). The certification was based on SGS-TÜV Saar’s audit and assessment of the functional safety development flow in accordance with the ISO 26262:2018 standard and can be found on the SGS-TÜV website.

“Cadence Tensilica ConnX B10 and B20 DSPs are the first DSPs optimized for radar, lidar and V2X applications to achieve Functional Safety Processor full compliance based on SGS-TÜV Saar’s comprehensive assessment in accordance with the ISO26262:2018 standard,” said Wolfgang Ruf, head of Functional Safety for Semiconductors at SGS-TÜV Saar. “Certification of the Cadence Tensilica ConnX B10 and B20 DSPs for ASIL D systematic and ASIL B random compliance attests to the high functional safety quality of their DSP IP, which meets stringent automotive industry safety-critical requirements. SoC designers can have peace of mind that their designs can achieve compliance when using functional safety-certified Tensilica DSP IP.”

Tensilica ConnX DSPs have been widely used for designing all levels of sensors and communication ICs for automotive applications. The DSPs are flexible enough to support a number of data types (8b, 16b, 32b and 64b) and IEEE 754 floating-point precisions, including half, single and double precision. Application-specific accelerations have been integrated to boost radar, lidar and/or communication processing performance. The Tensilica Instruction Extension (TIE) language further boosts performance for specific algorithms and applications. The common ISA and consistent programming model allows Tensilica DSPs to protect software investment by providing a high degree of software portability and reusability.

“Ensuring coverage for random hardware faults and systematic faults is mandatory for development of ISO 26262-compliant SoCs,” said Larry Przywara, senior group director, Tensilica marketing at Cadence. “Processing requirements for ADAS and autonomous vehicles continue to escalate to support more sophisticated radar, lidar and V2X functions. The industry-first ASIL B(D) certification of the Tensilica ConnX B10 and B20 DSPs designed for these functions enables designers to develop performance-leading ISO 26262-compliant automotive SoCs. In addition, the Tensilica Vision Q7 DSP for vision and AI applications has also received ASIL B (D) compliance certification.”

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