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SAK-TC399XP-256F300S BD
  • SAK-TC399XP-256F300S BD

SAK-TC399XP-256F300S BD

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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.

Infineon Technologies SAK-TC399XP-256F300S BD Product Info

16 April 2026 0

Parameters

# of cores / lockstep cores

6/4

ASIL/SIL support

ASIL-D/SIL-3

CAN Nodes

12

Classification

ISO 26262-compliant

DMA Channels

128

DSP Functionality

Yes

eMMC

Yes

External Bus Interface

Yes

Family

AURIX™ TC3

Floating Point Unit

Yes

Hardware Accelerator

No

LIN

12

Number of ADC Modules

34

On-chip Clock Generation

Yes

On-chip Voltage Regulator

Yes

Oscillator Watchdog

Yes

Program Memory

16 MByte

Real Time Clock

Yes

SPI

6

SRAM (incl. Cache)

2816 kByte

Temperature

-40°C - +125°C

Type of Memory

Flash

Watchdog Timer

Yes

Apps

Automotive body control module (BCM), Automotive battery management system (BMS) - high-voltage, Traction

Features

  • 6 TriCore running at 300 MHz (with 4 additional checker cores delivering 4000 DMIPS)
  • Supporting floating point and fix point with all cores
  • 16 MB flash/ ECC protection
  • 2.9 MB SRAM/ ECC protection
  • 1 Gbit Ethernet
  • 12x CAN FD, 2x FlexRay, 12x LINs, 4x QSPI, 2x I²C, 25x SENT, 6x PSI, 2x HSSL, 4x MSC, 1x eMMC/SDIO
  • Redundant and diverse timer modules (GTM , CCU6 , GPT12)
  • EVITA Full HSM (ECC256 and SHA2)
  • LFBGA-516 package
  • ISO 26262 ASIL-D support
  • AUTOSAR 4.2 support
  • Single voltage supply 5 V or 3.3 V
  • Temperature -40°C to 125°C

Description

  • Best-in-class performance enabling ASIL-D designs
  • Downward scalable to lower cost AURIX TC3xx microcontrollers
  • A/B swap software update over the air support
  • Easy migration from AURIX first generation thanks to the software and hardware compatibility

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