company blog about INFINEON SAL-TC366DP-64F300S AA Automotive AURIX™ TC3 Microcontroller

Shenzhen Mingjiada Electronics Co., Ltd. supplies and recycles the Infineon SAL-TC366DP-64F300S AA automotive-grade AURIX™ TC3 microcontroller.

The SAL-TC366DP-64F300S AA is an automotive-grade dual-core 32-bit microcontroller from the AURIX™ TC36xDP series. Based on the second-generation AURIX™ TC3xx architecture, it is specifically designed for high-safety, high-performance, and high-reliability automotive and industrial control applications, serving as the core chip that meets the highest functional safety level of ISO 26262 ASIL-D.

I. SAL-TC366DP-64F300S AA Core Architecture and Performance

Dual-core TriCore™ V1.6.2: Two independent 32-bit TriCore™ CPUs, operating at 300 MHz, supporting lockstep mode to enable hardware-level fault detection.

High-Performance Computing: Built-in hardware floating-point unit (FPU) and DSP instruction set, supporting fixed-point and floating-point operations, with peak performance reaching 600 DMIPS.

Low-Power Design: Typical power consumption <2W, supporting multiple low-power modes (standby/sleep).

II. SAL-TC366DP-64F300S AA Memory System (ECC Protection)

Program Flash: 4MB Flash with ECC error correction to ensure code storage reliability.

Data Memory: 672KB SRAM with ECC error correction, supporting high-speed data caching.

Data Flash: 128KB Data Flash, used for EEPROM emulation, storing non-volatile configuration data.

III. SAL-TC366DP-64F300S AA Communications and Peripherals (Automotive-Grade Interfaces)

1. Bus Interfaces

CAN FD: 8-channel CAN FD, supporting high-speed, long-frame communication.

FlexRay: 1 FlexRay channel, meeting the requirements of highly reliable, high-real-time automotive networks.

Ethernet: 100Mbps Ethernet, supporting automotive gateways, diagnostics, and OTA.

2. Serial Interfaces

ASCLIN: 12 channels (supporting UART/LIN/SPI).

QSPI: 4 channels, high-speed serial peripheral interface.

I²C/I²S: 1 I²C channel, 1 I²S channel (audio).

3. Sensor / Actuator Interfaces

SENT: 10 channels (sensor signal transmission).

PSI5/PSI5S: 2 PSI5 channels, 1 PSI5S channel (airbag / chassis sensors).

4. Timers and DMA

DMA: 64 channels, for efficient data transfer.

Timers: GTM/CCU6/GPT12, redundant timing to meet ASIL-D safety requirements.

IV. SAL-TC366DP-64F300S AA Safety and Encryption (ASIL-D Level)

Functional Safety: ISO 26262 ASIL-D, IEC 61508 SIL-3.

Hardware Security Module (HSM): eVita Full HSM, supporting ECC256 and SHA2 encryption to ensure data security (Infineon Technologies).

Lockstep Core: Dual-core lockstep operation with real-time fault detection.

V. SAL-TC366DP-64F300S AA Packaging and Temperature (Wide-Temperature Automotive Grade)

Packaging: BGA-180 (high density, saves PCB space).

Temperature: -40°C to +150°C (SAL prefix, wide-temperature version).

Power Supply: Single power supply 3.3V/5V.

VI. Typical Application Scenarios for the SAL-TC366DP-64F300S AA

1. Automotive Electronics (Mainstream)

Powertrain: Engine management, transmission control, hybrid/new energy inverters.

Chassis control: Braking systems, EPS, body domain control (Infineon).

Safety systems: Airbags, ADAS, autonomous driving domain controllers (Infineon).

In-Vehicle Gateways: CAN/LIN/Ethernet gateways, telematics.

2. Industrial Control

Industrial Automation: PLCs, motion control, servo drives (Infineon).

New Energy Equipment: PV inverters, energy storage BMS, charging stations.

VII. Summary of SAL-TC366DP-64F300S AA Advantages

High Safety: ASIL-D, lockstep, HSM, end-to-end ECC protection.

High Performance: Dual-core 300 MHz, FPU/DSP, 600 DMIPS.

High Reliability: Wide temperature range (-40 to 150°C), ECC memory, redundant peripherals.

Strong Connectivity: CAN FD/FlexRay/Ethernet/multiple serial ports, covering all-vehicle communication.

Easy Development: Supports AUTOSAR 4.2, complete toolchain.

Summary: The SAL-TC366DP-64F300S AA is the flagship dual-core MCU in Infineon’s AURIX™ TC3 series, designed for high-safety, high-reliability automotive applications. With ASIL-D safety certification, a 300 MHz dual-core processor, 4 MB of ECC Flash, and a full suite of automotive interfaces, it is the preferred core for powertrain, chassis, ADAS, and gateway systems.