مدونة الشركة حول Supply/Recycle INFINEON SAK-TC397XA-256F300S BD High Performance 32-Bit 300MHz AURIX™ TC39xXA Single-Chip MCU

Shenzhen Mingjiada Electronics Co., Ltd. Supply/Recycle INFINEON SAK-TC397XA-256F300S BD High Performance 32-Bit 300MHz AURIX™ TC39xXA Single-Chip MCU

The SAK-TC397XA-256F300S BD represents the second generation of the AURIX™ microcontroller series, engineered using a 40nm embedded flash process. It is specifically designed for high-performance, high-safety automotive electronics and industrial control applications. At its core lies a 300MHz 6-core TriCore™ architecture, integrating extensive peripheral interfaces with leading functional safety design. This establishes it as a central computing platform for complex scenarios such as autonomous driving and Advanced Driver Assistance Systems (ADAS).

【SAK-TC397XA-256F300S BD Core Architecture and Performance Advantages】

This microcontroller employs a highly competitive multi-core architecture design, featuring six 32-bit TriCore™ processor cores operating at up to 300MHz, alongside four additional verification cores. Its total computational power reaches 4000 DMIPS, enabling efficient handling of multi-tasking parallel operations and complex algorithmic logic. The TriCore™ core's unique converged architecture integrates microcontroller (MCU), digital signal processor (DSP), and floating-point unit (FPU) functionalities into a single unit. This eliminates the need for additional coprocessors to execute computationally intensive tasks such as radar signal processing and sensor data fusion.

Regarding the storage system, the device incorporates 16MB of embedded flash memory and up to 6.9MB of SRAM. both equipped with ECC (Error Checking and Correction) protection mechanisms to effectively guard against soft errors in storage cells, ensuring reliable data transmission and storage. The flash memory employs a mirrored storage bank design with A/B partition switching capability, providing flexible support for system firmware upgrades and fault redundancy. The high-bandwidth SRAM is specifically optimised for radar applications, meeting demands for high-speed data caching and real-time processing.

Regarding power consumption control, the SAK-TC397XA-256F300S BD demonstrates outstanding performance, with overall power consumption below 2W. Combined with its single-supply design (supporting either 5V or 3.3V), it significantly reduces the complexity and cost of external power supply systems, meeting the stringent power budget requirements of automotive electronics.

【SAK-TC397XA-256F300S BD's Comprehensive Safety and Reliability Design】

Functional safety constitutes this device's core highlight, fully conforming to ISO 26262 standards and supporting certification up to the highest ASIL-D level. It simultaneously meets the SIL-3 requirements of IEC 61508, covering end-to-end safety needs from sensor acquisition and data processing to actuator control. Its diverse lockstep architecture employs four verification cores operating in tandem with the main core, enabling rapid fault detection and response. Combined with built-in mechanisms such as Logic Built-in Self-Test (LBIST) and memory self-test, this design minimises risks from common faults and random hardware failures.

For information security, the device integrates a hardware security module (HSM) compliant with the EVITA Full standard. Supporting ECC 256-bit encryption and SHA-2 hash algorithms, it delivers comprehensive security safeguards including secure boot, data encryption, and identity authentication. This protects against malicious intrusion and tampering, meeting the growing information security demands within the automotive electronics sector.

Regarding environmental adaptability, this microcontroller operates stably across a wide temperature range of -40°C to 125°C, with a junction temperature tolerance of up to 165°C. It withstands extreme conditions in automotive engine compartments and industrial control environments, demonstrating excellent interference resistance and stability.

【SAK-TC397XA-256F300S BD: Extensive Peripheral Interfaces and Scalability】

To accommodate complex system connectivity requirements, the SAK-TC397XA-256F300S BD integrates comprehensive high-speed communication and peripheral interfaces, delivering robust connectivity capabilities. Communication interfaces include: - 1 Gigabit Ethernet port - 12 CAN FD channels (supporting high-speed data transmission) - 2 FlexRay channels - 12 LIN bus channels - 4 QSPI channels - 2 I²C channels These seamlessly integrate with diverse automotive bus networks and external devices, fulfilling communication requirements for domain controllers and distributed systems.

Specifically optimised for radar applications, the device incorporates eight 400Mbps LVDS radar interfaces alongside two dedicated Signal Processing Units (SPUs). These SPUs not only support FFT acceleration but also enable filtering, CFAR detection, window functions and other dedicated radar signal processing algorithms, significantly enhancing the computational efficiency and detection accuracy of radar systems. Furthermore, it integrates redundant and diverse timer modules (GTM, CCU 6, GPT 12), 34 ADC modules, 128 DMA channels, and 25 SENT interfaces, providing ample support for analogue signal acquisition, real-time control, and high-speed data transmission.

The device utilises a PG-LFBGA-292 package (17x17mm) with pin compatibility to Infineon's TC357TA model, enabling low-cost platform migration and offering customers flexible product selection and solution optimisation options.

【SAK-TC397XA-256F300S BD Typical Application Scenarios】

With its outstanding performance, security, and integration, the SAK-TC397XA-256F300S BD is widely applicable in high-end automotive electronics and industrial control scenarios, particularly excelling in ADAS and autonomous driving domains. Within automotive electronics, it serves core modules including 77GHz/24GHz radar systems (long-range and mid-range radars), sensor fusion domain controllers, brake and stability control systems, electric power steering, battery management systems (BMS), and traction inverter control. This provides reliable computational support for environmental perception and decision-making control in vehicles.

Within industrial applications, it serves 60GHz ultra-wideband radar systems, industrial robotics control, and intelligent sensing/monitoring equipment. Its wide operating temperature range and high reliability adapt to demanding industrial environments. Furthermore, its support for the AUTOSAR 4.2 standard significantly reduces software development complexity and accelerates time-to-market.

[SAK-TC397XA-256F300S BD Summary]

Infineon's SAK-TC397XA-256F300S BD delivers a high-performance, highly reliable single-chip solution through its multi-core TriCore™ architecture, highly integrated peripherals, ASIL-D safety design, and exceptional environmental adaptability. Not only does it meet the stringent computational and safety requirements of contemporary automotive electronics and industrial control systems, but its platform compatibility and scalability also provide ample potential for future technological advancements in autonomous driving and smart industrial applications. This positions it as one of the benchmark products in the high-end microcontroller market.