AURIX™ TC39xXA - High-performance radar and autonomous driving microcontroller - Product Brief

Nov 1, 2026

Uploaded by Ophelia

Infineon’s AURIX™ TC39xXA product brief introduces a second-generation AURIX microcontroller built on 40 nm embedded flash technology, targeting modern automotive radar and autonomy challenges. The family emphasizes scalability across safety and performance, featuring up to 6 TriCore cores at 300 MHz, embedded RAM up to 6.9 MBytes, and A/B swap via mirrored flash banks. It includes dedicated radar signal-processing accelerators, ASIL-D safety mechanisms, and eVita Full HSM security, with broad connectivity for high-bandwidth radar systems and sensor fusion.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages2

Reading Time5 min

AccessFree to download

Key features

Radar cluster

Key benefits

Key applications

Product table

Product Brief AURIX™ TC39xXA High-performance radar and autonomous driving microcontroller Infineon releases its second generation AURIX™ microcontroller in embedded flash 40 nm technology. It comes back with an increase in performance, memory sizes, connectivity and more scalability to address the new automotive trends and challenges. This family has more than 20 products to provide the most scalable portfolio of safety microcontroller. In terms of performance, the highest end product (TC39x) offers 6 cores running at 300 MHz and up to 6.9 MBytes embedded RAM, and consuming below 2 W. Its mirrored embedded flash banks offers A/B swap capabilities. For radar applications, the TC397XA comes in a small BGA-292 package (17 x 17 mm) . It embeds specific accelerators and offers high amount of embedded RAM (1x 4 Mbyte block). The SPU (Signal Processing Units) is dedicated to the radar processing, and offers not only FFT acceleration, but also filtering and mathematical transforms functions (e. g.: CFAR, binning, windowing,…). A complete tool chain is also provided to help customers develop optimized algorithms. The TC397XA is software and pin to pin downward compatible to the more cost effective radar microcontroller TC375TA. Safety is the core know-how of Infineon, and all products provide safety mechanism (including but not limited to lock-step cores, LBIST, ECC RAM) to ensure a safety platform supporting ASIL-D ISO 26262. The TC39x has 4 lock-stepped cores and 2 non lock-stepped cores, providing up to 2700 DMIPS in ASIL-D and 1300 DMIPS in ASIL-B. In terms of security, this product has an HSM compliant eVita full, ensuring the implementation of future proofed security measure. On top of this, it offers extensive connectivity with CAN FD, FlexRay, LINs, QSPI and new high speed communicating interfaces such as Gbit. Key features › 6 TriCore™ running at 300 MHz with 4 additional checker cores delivering 4000 DMIPS › 16 MB flash and up to 6.9 MB SRAM › 1 Gbit Ethernet and 12 CAN FD › 1x eMMC/SDIO › ISO 26262 ASIL-D support › eVita Full HSM (ECC256 and SHA2)› AUTOSAR 4.2 support › 165°Cjunction temperature Radar cluster › LVDS radar interface › Lock-stepped radar processor › High bandwidth radar SRAM Key benefits › Infineon chipset: front-end and safe power supply › Highly integrated solution for performance demanding radar applications › Fully compatible with TC357TA for more cost effective solutions Key applications › Long range and medium range radars: LRR and MRR › Sensor fusion and autonomous driving computers [www.infineon.com/aurix](www.infineon.com/aurix) Product Brief AURIX™ TC39xXA High-performance radar and autonomous driving microcontroller EVADC | P r im A DC | Sec ADC | FCOMP | | --- | --- | --- | EDS ADC GT M CC U6 GPT STM E RAY MCM CAN ASC LIN QS PI I2C PSI5 PS I5S SENT Product table | Type | Description | Ordering code | | --- | --- | --- | | SAK-TC397XA-256F300S | 6x 300 MHz TriCore™, 16 MB Flash, 6.9 MB SRAM, 2x SPU, Radar interface, 1 Gbit/s Ethernet, 12 CAN FD, eVita Full HSM, LFBGA-292 | on request | | KIT_A2G_TC397A_S_TRB | Eval Board: 6x 300 MHz TriCore™, 16 MB Flash, 6.9 MB SRAM, 2x SPU, Radar interface, 1 Gbit/s Ethernet, 12 CAN FD, eVita Full HSM , LFBGA-292 | on request | Published by Infineon Technologies AG 81726 Munich, Germany © 2019 Infineon Technologies AG. All Rights Reserved. Order Number: B158-I0538-V1-7600-EU-EC-P Date: 03 / 2019 Please note! THIS DOCUMENT IS FOR INFORMATION PURPOSES ONLY AND ANY INFORMATION GIVEN HEREIN SHALL IN NO EVENT BE REGARDED AS A WARRANTY, GUARANTEE OR DESCRIPTION OF ANY FUNCTIONALITY, CONDITIONS AND/OR QUALITY OF OUR PRODUCTS OR ANY SUITABILITY FOR A PARTICULAR PURPOSE. WITH REGARD TO THE TECHNICAL SPECIFICATIONS OF OUR PRODUCTS, WE KINDLY ASK YOU TO REFER TO THE RELEVANT PRODUCT DATA SHEETS PROVIDED BY US. OUR CUSTOMERS AND THEIR TECHNICAL DEPARTMENTS ARE REQUIRED TO

FAQs

What performance and memory capabilities does the AURIX™ TC39xXA family offer?

The highest-end TC39x device provides 6 cores at 300 MHz and up to 6.9 MBytes embedded RAM, with mirrored embedded flash banks enabling A/B swap capabilities.

How does the TC397XA support radar signal processing?

It includes dedicated SPU signal processing units with FFT acceleration plus filtering and mathematical transforms such as CFAR, binning, and windowing, supported by a tool chain for algorithm development.

What safety and security standards or mechanisms are included?

The products provide safety mechanisms such as lock-step cores, LBIST, and ECC RAM to support ASIL-D under ISO 26262, and they include HSM-compliant eVita Full with ECC256 and SHA2 for security.

Nov 1, 2026

Uploaded by Ophelia