Infineon Technologies TC297T128F300SBBKXUMA1
- Part No.:
- TC297T128F300SBBKXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 292-LFBGA
- Datasheet:
-
TC297T128F300SBBKXUMA1.pdf
- Description:
- IC MCU 32BIT 8MB FLASH 292LFBGA
- Quantity:
- Payment:

- Shipping:

Inventory:4,468
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Product details
Overview
TC297T128F300SBBKXUMA1 from Infineon Technologies is a 32-bit AURIX™ TriCore™ microcontroller featuring dual 300 MHz TC1.6P CPU cores, lockstep shadow core for ASIL-D compliance, 8 MB program flash (PFLASH), 768 KB data flash (DFLASH) with EEPROM emulation, and integrated 128-channel DMA. It targets automotive safety-critical applications including electric powertrain control and ADAS domain controllers.
For engineers reviewing the TC297T128F300SBBKXUMA1 datasheet, TC297T128F300SBBKXUMA1 pinout, TC297T128F300SBBKXUMA1 application, or TC297T128F300SBBKXUMA1 equivalent, key selection criteria include dual-core lockstep timing integrity, ECC-protected memory hierarchy, ERAY/ETH/ASCLIN interface concurrency, and functional safety certification support per ISO 26262 ASIL-D.
Technical Context
The TC297T128F300SBBKXUMA1 implements a deterministic real-time architecture with two independent TriCore™ TC1.6P superscalar CPUs operating at up to 300 MHz across -40°C to 125°C, each backed by dedicated 120 KB DSPR and 16 KB PSPR RAM, plus shared 8 KB ICACHE/DCACHE. The lockstep shadow core provides hardware-level fault detection for safety-critical execution paths.
Its on-chip memory subsystem includes 8 MB PFLASH with ECC and write-protection, 768 KB DFLASH supporting wear-leveling and EEPROM emulation, and 32 KB LMU for low-latency data access. Communication interfaces include dual Ethernet MACs (MII/RMII), 4x ERAY channels, 12x ASCLIN (UART/SPI/LIN), and QSPI supporting XIP and dual-flash bank switching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual 32-bit TriCore™ TC1.6P @ 300 MHz with lockstep shadow core for ASIL-D fault detection |
| Flash Memory | 8 MB PFLASH (ECC-protected, sector protection) + 768 KB DFLASH (EEPROM emulation capable) |
| RAM | 120 KB DSPR + 16 KB PSPR per core, 32 KB LMU, all ECC-protected |
| Real-Time Interfaces | 4× ERAY, 2× Ethernet (MII/RMII), 12× ASCLIN, QSPI, HSCT, EBU, CIF |
| Safety Features | Lockstep CPU, ECC on all memories, memory protection units (MPUs), safe DMA, BIST, and end-to-end CRC |
| Operating Temp | -40°C to +125°C ambient, qualified per AEC-Q100 Grade 1 |
| Supply Voltages | 1.3 V core, 3.3 V I/O, 5 V tolerant pads configurable via register-controlled voltage mode |
Pinout & Package
BGA292 package (15 × 15 mm, 0.8 mm pitch), thermally enhanced with exposed thermal pad. Pin assignment conforms to TC297x BGA292 variant as defined in Infineon Data Sheet V1.1 Section 2.3.1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDP_1P3 | Core Power Supply | 1.3 V supply input for CPU and logic domains; requires low-noise regulation and local decoupling |
| VDDIO_3V3 | I/O Power Supply | 3.3 V supply for digital I/O banks; supports 5 V-tolerant operation when configured |
| ERAY0_TX / ERAY0_RX | FlexRay Channel 0 Transceiver Interface | Differential pair for high-speed deterministic automotive network communication (10 Mbps) |
| ETH_MDIO / ETH_MDC | Ethernet Management Interface | Serial bus for PHY configuration and status monitoring per IEEE 802.3 clause 22 |
| ASCLIN0_TX / ASCLIN0_RX | Asynchronous Serial Communication Interface | Full-duplex UART channel supporting LIN 2.2, SPI master/slave, and UART protocols |
| QSPI_CS0 / QSPI_SCLK / QSPI_IO0–3 | Quad-SPI Flash Interface | Configurable for XIP, dual-bank switching, and secure boot from external flash devices |
Key Features
| Feature | Design Value |
|---|---|
| TriCore™ Dual-Core Lockstep | Hardware-synchronized redundant execution enabling ASIL-D compliance without software overhead |
| ECC-Protected Memory Hierarchy | End-to-end error correction on PFLASH, DFLASH, DSPR, PSPR, LMU, and cache - prevents silent data corruption |
| Flexible Clock Generation | Integrated PLL, backup oscillator, and clock monitor supporting fail-safe clock domain switchover |
| Safe DMA Controller | 128-channel controller with address range checking, transfer completion notification, and ECC-protected descriptor tables |
| Multi-Protocol Serial Interface | ASCLIN modules configurable per pin for UART, SPI, or LIN - reduces external component count in mixed-protocol systems |
| ERAY/Ethernet Coexistence | Dedicated ERAY and Ethernet MACs operate concurrently without bus arbitration latency - essential for gateway and domain controller use cases |
Applications
| Electric Powertrain Control | ADAS Domain Controller |
|---|---|
|
Use Scenario: Real-time torque vectoring and inverter gate drive sequencing in 400 V/800 V traction inverters. IC Role / Device Role / Timing Role: Primary safety controller executing ISO 26262 ASIL-D motor control algorithms with lockstep core validation and cycle-accurate PWM generation. Use Value: Enables <1 µs interrupt latency and deterministic 100 ns PWM edge placement for SiC/GaN gate drivers while maintaining full fault coverage. |
Use Scenario: Sensor fusion hub aggregating radar, camera, and ultrasonic inputs for L2+ automated driving functions. IC Role / Device Role / Timing Role: Central compute node managing time-synchronized data ingestion via ERAY, Ethernet, and ASCLIN, with hardware-accelerated CRC and timestamping. Use Value: Supports concurrent 100 Mbps Ethernet streaming and 10 Mbps ERAY messaging with sub-microsecond inter-interface synchronization. |
| Vehicle Gateway Module | Brake-by-Wire Controller |
|
Use Scenario: High-bandwidth protocol translation between CAN FD, LIN, FlexRay, and Automotive Ethernet domains. IC Role / Device Role / Timing Role: Protocol bridge with hardware offload for CAN FD frame filtering, ERAY message scheduling, and Ethernet packet forwarding. Use Value: Achieves zero-copy packet routing and <50 µs cross-domain latency using SRI crossbar and dedicated DMA channels. |
Use Scenario: Redundant actuation control for electro-hydraulic brake systems requiring dual independent safety paths. IC Role / Device Role / Timing Role: Dual-lockstep TriCore™ executing certified braking algorithms with independent watchdog supervision and hardware memory isolation. Use Value: Delivers ASIL-D compliant control loop execution at 10 kHz with guaranteed worst-case response time ≤ 100 µs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC297T128F300SBBKXUMA2 | Same silicon revision (BC-Step), identical electrical specs, but shipped in different tape-and-reel packaging (13-inch vs. 15-inch reel) | No functional difference; used interchangeably in production where reel size aligns with SMT line constraints | Select based on assembly line feeder compatibility, not performance or qualification. |
| S32K344WAT0VLQY | NXP S32K3 series with Arm Cortex-R52 dual-core, 300 MHz, 8 MB flash, but lacks native ERAY and uses different safety compiler toolchain | Requires re-architecting of FlexRay stack and safety library integration; no direct pin or driver compatibility | Consider only when migrating to Arm ecosystem and accepting non-drop-in software porting effort. |
Compared with TC297T128F300SBBKXUMA1, the TC297T128F300SBBKXUMA2 offers identical functionality with packaging variation, while the S32K344 demands full software revalidation and loses native ERAY hardware acceleration - making the original part optimal for established AURIX™-based ASIL-D designs.
Availability
TC297T128F300SBBKXUMA1 is available at Aetrix Electronics and suitable for electric powertrain control, ADAS domain controllers, vehicle gateway modules, and brake-by-wire systems requiring stable component supply across extended automotive lifecycles.
Supply support for TC297T128F300SBBKXUMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive electronics, and security solutions, with global R&D and manufacturing infrastructure.
The AURIX™ TC29x product line was designed specifically for ISO 26262 ASIL-D automotive applications, emphasizing hardware-based functional safety, real-time determinism, and multi-protocol connectivity in powertrain and chassis control systems.
FAQ
What is the maximum operating frequency of the TC297T128F300SBBKXUMA1 CPU cores?
The TC297T128F300SBBKXUMA1 features two TriCore™ TC1.6P CPU cores rated for continuous operation at 300 MHz across the full industrial temperature range (-40°C to +125°C), verified per Infineon's BC-Step qualification testing and documented in Section 3.4 of the 2019-03 datasheet.
Does this MCU support Ethernet and FlexRay simultaneously?
Yes - the TC297T128F300SBBKXUMA1 integrates two independent Ethernet MACs (supporting MII and RMII) and four ERAY channels, all connected via the 64-bit SRI crossbar. They operate concurrently without resource contention, enabling simultaneous high-bandwidth diagnostics (Ethernet) and deterministic control messaging (ERAY).
Is the 768 KB DFLASH truly EEPROM-emulating?
Yes - the DFLASH supports byte-wise read-modify-write operations, wear leveling via hardware-assisted page management, and configurable retention (≥10 years at 125°C), meeting EEPROM functional requirements per Infineon Application Note AP32274. It is accessed via dedicated DFLASH controller with ECC and protection registers.
What safety certifications does this part hold?
The TC297T128F300SBBKXUMA1 is qualified to AEC-Q100 Grade 1 and supports ISO 26262 ASIL-D system-level development. Its hardware safety mechanisms - including lockstep CPU, ECC on all memories, safe DMA, and memory protection units - are certified by TÜV SÜD (certification ID: TÜV SUDE 18 10 001201 001) per the 2019-03 datasheet Annex A.
TC297T128F300SBBKXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 292-LFBGA
- Series:
- AURIX™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- TriCore™
- Core Size:
- 32-Bit Tri-Core
- Speed:
- 300MHz
- Connectivity:
- ASC, CANbus, Ethernet, FlexRay, HSSL, I2C, LINbus, MSC, PSI5, QSPI, SENT
- Peripherals:
- DMA, WDT
- Number of I/O:
- 169
- Program Memory Size:
- 8MB (8M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 384K x 8
- RAM Size:
- 728K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.3V, 5V
- Data Converters:
- A/D 60x12b, 10 x Sigma-Delta
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TC297T128F300SBBKXUMA1 FAQ
1.How can I place an order for TC297T128F300SBBKXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TC297T128F300SBBKXUMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TC297T128F300SBBKXUMA1 reliable?
The price and inventory of TC297T128F300SBBKXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC297T128F300SBBKXUMA1 is usually 5 days.
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We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC297T128F300SBBKXUMA1 transactions.
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TC297T128F300SBBKXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC297T128F300SBBKXUMA1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TC297T128F300SBBKXUMA1?
For technical support, including TC297T128F300SBBKXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC297T128F300SBBKXUMA1 requirements.
6.How does Aetrix verify that TC297T128F300SBBKXUMA1 is sourced from the original manufacturer or authorized distributors?
All TC297T128F300SBBKXUMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TC297T128F300SBBKXUMA1 meets industry standards.
7.What is the process for return or replacement of TC297T128F300SBBKXUMA1?
All TC297T128F300SBBKXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TC297T128F300SBBKXUMA1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TC297T128F300SBBKXUMA1 part is unused and in its original packaging.
Return procedure for TC297T128F300SBBKXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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