Shenzhen Mingjiada Electronics Co., Ltd. supplies and recycles the Infineon SAL-TC337LP-32F200S AA, a next-generation AURIX™ TC3xx system architecture microcontroller.
The Infineon SAL-TC337LP-32F200S AA is a high-performance 32-bit automotive-grade microcontroller based on the second-generation AURIX™ TC3xx platform. Featuring a TriCore™ 1.8 single-core architecture, a 200MHz clock speed, 2MB ECC flash memory, 248KB ECC SRAM, ASIL-D safety rating and a wide operating temperature range of -40°C to 150°C. Designed specifically for automotive powertrain, body control, domain controllers and high-reliability industrial applications, it combines strong real-time performance, high safety and a rich array of communication peripherals, making it the flagship model in the TC3xx series that balances performance and cost.
I. Core Architecture and Performance: TriCore™-powered Real-time Computing
As a key member of the AURIX™ TC3xx family, the SAL-TC337LP-32F200S AA utilises Infineon’s innovative TriCore™ 1.8 unified architecture, integrating RISC processing, DSP digital signal processing and real-time control capabilities to overcome the performance limitations of traditional MCUs.
Core Specifications: 32-bit single-core TriCore™, operating at 200 MHz, supporting fixed-point and floating-point operations (FPU), executing most instructions in a single cycle, and featuring branch prediction, zero-overhead loops, and SIMD data operations (2×16-bit/4×8-bit), enabling efficient handling of complex control algorithms and signal processing tasks.
Memory Configuration: Integrated 2MB on-chip flash memory (with ECC error correction) and 248KB SRAM (with ECC protection) prevent data corruption and meet the requirements of automotive ECUs for large-capacity program storage and high-speed data exchange; supports a 16-channel DMA controller to enable data transfer between peripherals and memory with zero CPU intervention, reducing core load and enhancing system real-time performance.
Power Efficiency: Utilising a 40nm flash process, the operating power consumption is less than 1W. Combined with a dedicated standby mode controller, it supports low-power sleep and rapid wake-up, meeting the power constraints of automotive 12V power supply systems.
II. Functional Safety and Information Security: Dual Protection for In-Vehicle Applications
To meet the stringent safety compliance requirements of automotive electronics, the SAL-TC337LP-32F200S AA incorporates comprehensive safety mechanisms that comply with ISO 26262 ASIL-D (the highest automotive safety level) and IEC 61508 SIL3 standards, whilst also featuring a Hardware Security Module (HSM) to fortify information security defences.
Functional Safety Features
Redundant design for the core and peripherals, supporting lockstep verification, fault detection and fault-tolerance mechanisms, with millisecond-level response to hardware faults;
Memory ECC verification and BIST (Built-in Self-Test) modules, verifying the integrity of flash memory, SRAM and core logic in real time;
Independent security management unit, isolating safety and non-safety tasks, compliant with the AUTOSAR 4.2 safety architecture specification.
Information Security Features
Integrated eVITA Full HSM, with hardware support for encryption algorithms such as ECC256 and SHA2, enabling secure boot, data encryption and identity authentication;
Prevents firmware tampering, replay attacks and unauthorised access, meeting the security requirements for in-vehicle and external communications in smart connected vehicles.
III. Communication Peripherals: Comprehensive Coverage of In-Vehicle Connectivity
The SAL-TC337LP-32F200S AA is equipped with a comprehensive range of in-vehicle and industrial communication interfaces, supporting parallel transmission of multiple protocols, and is perfectly suited to the trends of distributed electronic architectures and domain-centred control in the automotive sector:
CAN Bus: 8-channel CAN FD (maximum data rate of 64 Mbps), compatible with traditional CAN 2.0B, meeting the high-reliability communication requirements of powertrain, chassis and body systems;
Serial Interfaces: 12 ASCLIN channels (supporting UART/LIN/SPI/I²C), 4 QSPI channels, 6 SENT channels, and 1 I²S emulation channel, covering low-speed peripheral connections such as sensors, actuators and instrumentation;
High-speed communication: Optional 1 Gigabit Ethernet and 2 FlexRay channels, supporting high-speed data exchange for intelligent driving and in-vehicle gateways;
Package and pinout: Utilises an LFBGA-292 package, with pin compatibility across other models in the TC3xx series, enabling a smooth migration from the TC2xx series and reducing hardware modification costs.
IV. Timers and Analogue Peripherals: Precise Control and Sensing Capabilities
The SAL-TC337LP-32F200S AA integrates multiple redundant timer modules and high-precision ADCs, enabling microsecond-level real-time control and multi-channel signal acquisition, suitable for applications such as engine control, motor drive and BMS for new energy vehicles:
Timer Units: A combination of three modules—the high-performance General-Purpose Timer (GTM), CCU6 and GPT12—supporting high-precision PWM output, pulse capture and frequency measurement, with single-channel PWM resolution reaching the nanosecond level;
Analogue Acquisition: Integrated 16-channel 12-bit SAR ADC with high sampling rates and excellent linearity, capable of synchronously acquiring multi-channel sensor signals (temperature, voltage, current, pressure) to meet the high-precision sensing requirements of in-vehicle analogue applications.
V. Wide Temperature Range and Reliability: Stable Operation in Harsh Environments
Designed for harsh environments such as automotive engine compartments and high-temperature industrial conditions, the SAL-TC337LP-32F200S AA offers exceptional environmental adaptability:
Temperature Range: A specification exclusive to the SAL series, with an operating temperature range of -40°C to +150°C (TA), far exceeding that of standard SAK models (-40°C to 125°C), making it suitable for high-temperature, enclosed compartment applications;
Quality Certification: Certified to AEC-Q100 automotive standards, lead-free, halogen-free and RoHS-compliant, with excellent resistance to vibration and electromagnetic interference (EMC), ensuring stable operation throughout the entire lifecycle.
VI. Typical Application Scenarios
Thanks to its comprehensive advantages of high performance, high safety and wide temperature compatibility, the SAL-TC337LP-32F200S AA is widely used in:
Automotive Powertrain Domain: Engine Control Units (ECUs), transmission controllers, new energy motor controllers, and Battery Management Systems (BMS);
Body and Chassis: Body domain controllers, door/seat/lighting control, Electronic Stability Programme (ESP), Electric Power Steering (EPS);
Intelligent Driving: Driver assistance domain controllers, radar signal pre-processing, vehicle gateways;
Industrial Applications: Industrial robot controllers, servo drives, high-reliability industrial control equipment, new energy storage inverters.
VII. Summary of Product Advantages for the SAL-TC337LP-32F200S AA
Leading Architecture: Second-generation AURIX™ TC3xx platform, featuring a single-core 200MHz TriCore™ 1.8 processor, balancing computational power with real-time performance;
Safety Compliance: ASIL-D functional safety + eVITA Full information security; dual safety systems meet automotive compliance requirements;
Comprehensive Communication: Full protocol coverage including CAN FD, Ethernet, FlexRay and LIN, suitable for next-generation in-vehicle electronic architectures;
Wide Temperature Range and Durability: Ultra-wide temperature range from -40°C to 150°C, automotive-grade reliability, and stable operation in harsh environments;
Robust Ecosystem: Compatible with the TC2xx/TC3xx software and hardware ecosystem, featuring complete development tools, AUTOSAR protocol stacks and technical support to shorten product development cycles.
With ‘high performance, high security, broad compatibility and easy migration’ as its core values, the Infineon SAL-TC337LP-32F200S AA is the preferred next-generation 32-bit MCU solution in the automotive electronics and industrial control sectors, balancing cost and performance to help customers build more reliable and intelligent embedded control systems.
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