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Infineon Technologies CYT4BFBCHDQ0BZSGST
- Part No.:
- CYT4BFBCHDQ0BZSGST
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 272-LFBGA
- Datasheet:
-
CYT4BFBCHDQ0BZSGST.pdf
- Description:
- IC MCU 32BT 8.1875MB FLSH 272BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,838
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Product details
Overview
CYT4BFBCHDQ0BZSGST from Infineon is a TRAVEO™ T2G 32-bit automotive microcontroller with dual Arm® Cortex®-M7 CPUs (350 MHz), one Arm® Cortex®-M0+ CPU (100 MHz), 8384 KB code-flash, 1024 KB SRAM, and integrated CAN FD (up to 10 channels), Gigabit Ethernet MAC, FlexRay, and hardware security (eSHE/HSM). It targets high-end body-control units requiring ASIL-B functional safety compliance.
For engineers reviewing the CYT4BFBCHDQ0BZSGST datasheet, CYT4BFBCHDQ0BZSGST pinout, CYT4BFBCHDQ0BZSGST application, or CYT4BFBCHDQ0BZSGST equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternatives for automotive ECU design and secure firmware update implementation.
Technical Context
The device implements a heterogeneous multi-core architecture: two lockstep-capable Cortex-M7 cores handle primary real-time control and signal processing, while the Cortex-M0+ manages peripheral offload and security services including secure boot, AES-128/192/256, SHA-256/512, and ECC/RSA acceleration. Hardware inter-processor communication enables deterministic task partitioning.
Functional safety is enforced via SMPU, PPU, SECDED ECC on all safety-critical memories (SRAM, flash, TCM), dual-threshold BOD (2.7 V / 3.0 V on VDDD/VDDA), MCWDT, and ISO 26262 ASIL-B certified subsystems. Clock supervision includes IMO, ILO, ECO, WCO, PLL, and FLL with CSV monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core(s) | Dual 350-MHz Arm® Cortex®-M7 + single 100-MHz Cortex®-M0+ |
| Flash Memory | 8384 KB code-flash with RWW, dual-bank FOTA support |
| SRAM | 1024 KB with selectable retention granularity |
| CAN FD Channels | Up to 10 channels, compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0 |
| Ethernet MAC | Two 10/100/1000 Mbps IEEE-802.3az interfaces with RGMII/GMII/MII/RMII PHY support |
| Security Engine | HSM with eSHE, AES-128/192/256, SHA-256/512, ECC/RSA, TRNG, and GCM mode |
| Functional Safety | ASIL-B compliant with SMPU, PPU, SECDED ECC, MCWDT, and dual-threshold BOD |
Pinout & Package
Package: 320-ball BGA, 17 mm × 17 mm × 1.7 mm max, 0.8-mm ball pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | I/O Supply Rail | 2.7–5.5 V supply for GPIO_STD, GPIO_ENH, HSIO_STD banks; supports independent voltage scaling per bank |
| VDDD | Digital Core Supply | 1.1 V nominal core supply generated internally; monitored by dual-threshold BOD (2.7 V / 3.0 V) |
| VDDA | Analog Supply | 2.7–5.5 V analog supply for SAR ADC, bandgap reference, and temperature sensor |
| XTAL_IN / XTAL_OUT | External Crystal Oscillator Interface | Supports 1–50 MHz crystal for ECO; used for clock source redundancy and precision timing in safety-critical paths |
| TCK / TMS / TDI / TDO | JTAG Debug Interface | IEEE-1149.1-compliant boundary scan and debug; enables production programming and post-deployment diagnostics |
| MDIO / MDC | Ethernet Management Interface | IEEE-802.3-compliant MDIO/MDC interface for PHY configuration and status monitoring of both Ethernet MACs |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep support | Enables ASIL-B fault detection via hardware comparison of M7 outputs without software overhead |
| Firmware update Over-The-Air (FOTA) | Dual-bank flash architecture allows atomic swap during runtime without system interruption |
| Synchronized SAR ADC sampling | Three 12-bit ADCs sample simultaneously for motor phase current sensing with <100 ns skew |
| Smart I/O logic blocks | Five configurable Boolean engines enable hardware-level signal conditioning (debounce, edge detection, masking) before CPU involvement |
| Runtime-reconfigurable SCBs | 11 serial communication blocks each dynamically assignable as UART, SPI, or I²C - reduces BOM count and PCB routing complexity |
Applications
| High-End Body Control Module (BCM) | Automotive Gateway with Secure OTA |
|---|---|
Use Scenario: Centralized vehicle body management integrating door locks, lighting, HVAC, and seat controls across multiple CAN FD domains. IC Role / Device Role / Timing Role: Primary controller executing real-time PWM for LED dimming, LIN slave coordination for mirror/window modules, and CAN FD message routing with hardware filtering. Use Value: Dual M7 cores execute safety-critical door-lock logic and non-safety lighting control in parallel; HSM secures FOTA updates to prevent unauthorized firmware injection. |
Use Scenario: In-vehicle network gateway aggregating CAN FD, FlexRay, and Ethernet traffic between domain controllers and cloud-connected telematics units. IC Role / Device Role / Timing Role: Security-enforced protocol translation engine with time-synchronized packet forwarding using IEEE-1588 PTP and AVB-aware Ethernet MACs. Use Value: Integrated FlexRay (10 Mbps) and dual Gigabit Ethernet (RGMII) enable deterministic backbone communication; eSHE validates signed firmware images before execution. |
| Electric Power Steering (EPS) Support MCU | ADAS Domain Controller Companion |
Use Scenario: Secondary controller augmenting main EPS MCU with torque assist calculation, motor position sensing, and fail-safe diagnostics. IC Role / Device Role / Timing Role: Real-time motor control co-processor using synchronized 12-bit SAR ADCs and TCPWM blocks with dead-time insertion for three-phase inverter gate drive. Use Value: 102× 16-bit TCPWM timers provide precise PWM generation and quadrature decoding; SECDED ECC ensures integrity of motor control firmware in SRAM and flash. |
Use Scenario: Safety-monitoring companion to radar/vision ADAS SoCs, handling sensor fusion watchdogs, secure log storage, and ASIL-B-compliant system health reporting. IC Role / Device Role / Timing Role: Independent safety supervisor running on Cortex-M0+, validating timing margins, memory checksums, and sensor data validity via hardware-accelerated SHA-256. Use Value: Dedicated M0+ isolates safety-critical checks from main compute load; PPU enforces strict peripheral access isolation between safety and application domains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | Single Cortex-M7 (320 MHz), no Cortex-M0+; 6 MB flash, 2.5 MB SRAM; supports CAN FD (8 ch), Ethernet (1x 1000BASE-T1), no FlexRay | Lacks FlexRay and dual Ethernet; optimized for chassis/safety domains rather than multi-protocol gateways | Prefer when FlexRay integration is unnecessary and cost-sensitive chassis control is primary requirement |
| Renesas RH850/U2A | 32-bit RXv3 core (400 MHz), 12 MB flash, 2 MB SRAM; CAN FD (12 ch), Ethernet (1x 1000BASE-T1), no hardware crypto accelerator | No integrated HSM or eSHE; relies on external security ICs for secure boot and key management | Choose when legacy RX ecosystem compatibility and maximum flash density outweigh need for on-die cryptographic acceleration |
Compared with S32K344 and RH850/U2A, CYT4BFBCHDQ0BZSGST uniquely combines dual M7 lockstep, integrated FlexRay, dual Gigabit Ethernet, and hardware HSM - making it optimal for ASIL-B-compliant automotive gateways requiring protocol diversity and embedded security without external components.
Availability
CYT4BFBCHDQ0BZSGST is available at Aetrix Electronics and suitable for high-end body-control units, automotive gateways, electric power steering support systems, and ADAS domain controller companions requiring stable component supply and long-term automotive lifecycle support.
Supply support for CYT4BFBCHDQ0BZSGST 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.
CYT4BF belongs to the TRAVEO™ T2G family - designed specifically for automotive body electronics and gateway applications demanding ASIL-B compliance, multi-protocol connectivity, and hardware-enforced security for over-the-air updates.
FAQ
Does CYT4BFBCHDQ0BZSGST support JTAG and SWD debugging simultaneously?
Yes. The device integrates both IEEE-1149.1 JTAG and Arm SWD interfaces, allowing concurrent use: JTAG for instruction/data trace and boundary scan, SWD for low-pin-count debug and flash programming. Both are accessible via standard debug probes compatible with GHS MULTI and IAR EWARM toolchains.
What is the maximum achievable CAN FD data rate on CYT4BFBCHDQ0BZSGST?
The silicon supports up to 8 Mbps CAN FD data phase, compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0. Actual achievable rate depends on transceiver capability, bus topology, and termination - not limited by the MCU's internal controller logic.
Is external memory encryption mandatory when using the HYPERBUS™ interface?
No. On-the-fly encryption/decryption is optional and configurable per memory region. The cryptography engine supports AES-128 in XTS mode for external memory, but unencrypted XIP operation is fully supported if security requirements permit.
How many independent clock sources does CYT4BFBCHDQ0BZSGST integrate?
Six: Internal Main Oscillator (IMO), Internal Low-Speed Oscillator (ILO), External Crystal Oscillator (ECO), Watch Crystal Oscillator (WCO), Phase-Locked Loop (PLL), and Frequency-Locked Loop (FLL). Each serves distinct roles - e.g., WCO for RTC accuracy, PLL for CPU clock synthesis, FLL for fast wake-up from low-power modes.
CYT4BFBCHDQ0BZSGST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 272-LFBGA
- Series:
- Traveo™ T2G
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+, ARM® Cortex®-M4F
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 100MHz, 350MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 220
- Program Memory Size:
- 8.1875MB (8.1875M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256 x 8
- RAM Size:
- 1M x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 114x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT4BFBCHDQ0BZSGST FAQ
1.How can I place an order for CYT4BFBCHDQ0BZSGST through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BFBCHDQ0BZSGST 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 CYT4BFBCHDQ0BZSGST reliable?
The price and inventory of CYT4BFBCHDQ0BZSGST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BFBCHDQ0BZSGST is usually 5 days.
3.What payment methods are accepted for CYT4BFBCHDQ0BZSGST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BFBCHDQ0BZSGST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BFBCHDQ0BZSGST?
CYT4BFBCHDQ0BZSGST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BFBCHDQ0BZSGST 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 CYT4BFBCHDQ0BZSGST?
For technical support, including CYT4BFBCHDQ0BZSGST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BFBCHDQ0BZSGST requirements.
6.How does Aetrix verify that CYT4BFBCHDQ0BZSGST is sourced from the original manufacturer or authorized distributors?
All CYT4BFBCHDQ0BZSGST 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 CYT4BFBCHDQ0BZSGST meets industry standards.
7.What is the process for return or replacement of CYT4BFBCHDQ0BZSGST?
All CYT4BFBCHDQ0BZSGST units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BFBCHDQ0BZSGST, 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 CYT4BFBCHDQ0BZSGST part is unused and in its original packaging.
Return procedure for CYT4BFBCHDQ0BZSGST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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