Infineon Technologies CYT4BBBCEBQ0BZSGST
- Part No.:
- CYT4BBBCEBQ0BZSGST
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 272-LFBGA
- Datasheet:
-
CYT4BBBCEBQ0BZSGST.pdf
- Description:
- IC MCU 32BT 4.0625MB FLSH 272BGA
- Quantity:
- Payment:

- Shipping:

Inventory:3,773
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Product details
Overview
CYT4BBBCEBQ0BZSGST from Infineon is a TRAVEO™ T2G 32-bit automotive microcontroller with dual Arm® Cortex®-M7 CPUs (250 MHz), one Cortex®-M0+ CPU (100 MHz), 4160 KB code-flash, 768 KB SRAM, and integrated CAN FD (up to 8 Mbps), Ethernet MAC (10/100 Mbps), and hardware security (AES-256, ECC, SHA-512, eSHE/HSM). It targets high-end body-control units requiring ASIL-B functional safety compliance.
For engineers reviewing the CYT4BBBCEBQ0BZSGST datasheet, CYT4BBBCEBQ0BZSGST pinout, CYT4BBBCEBQ0BZSGST application, or CYT4BBBCEBQ0BZSGST equivalent, key selection criteria include dual-core deterministic real-time performance, on-chip FOTA-ready flash architecture (RWW, dual-bank), ISO 11898-1:2015–compliant CAN FD channel count (8), IEEE-802.3bw Ethernet MAC with RMII/MII support, and ASIL-B-certified safety mechanisms including SECDED ECC on SRAM/flash/TCM.
Technical Context
The device implements a heterogeneous multi-core architecture: two lockstep-capable Cortex-M7 cores handle primary control and signal processing, while the Cortex-M0+ manages peripheral offload, secure boot, and cryptographic operations. Memory subsystem includes 4160 KB code-flash with Read-While-Write and dual-bank firmware update capability, plus 768 KB SRAM with configurable retention granularity.
Hardware safety features are tightly integrated: Shared Memory Protection Unit (SMPU), Peripheral Protection Unit (PPU), Multi-Counter Watchdog Timer (MCWDT), and SECDED ECC applied to all safety-critical memories (SRAM, flash, TCM). Clock system supports IMO, ILO, ECO, WCO, PLL, and FLL with CSV supervision.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core(s) | Dual Arm® Cortex®-M7 @ 250 MHz + single Cortex®-M0+ @ 100 MHz for peripheral/security offload |
| Flash Memory | 4160 KB code-flash + 256 KB work-flash; supports RWW and dual-bank FOTA updates |
| SRAM | 768 KB with selectable retention granularity per memory region |
| CAN FD Channels | 8 channels compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0 (non-ISO); up to 8 Mbps data rate |
| Ethernet Interface | 10/100 Mbps MAC conforming to IEEE-802.3bw; supports MII/RMII PHY interfaces and IEEE-1588 PTP |
| Security Engine | Hardware-accelerated AES-128/192/256, 3DES, RSA/ECC, SHA-1/2/3, CRC32, TRNG, and Galois/Counter Mode (GCM) |
| Safety Certification | ASIL-B compliant with MPU/SMPU/PPU, MCWDT, LVD/BOD/OVD, CSV, and SECDED ECC on SRAM/flash/TCM |
Pinout & Package
This device is packaged in a 272-ball BGA (16 × 16 × 1.7 mm, 0.8-mm ball pitch) with thermal pad and lead-free finish. Pin functions are defined per the CYT4BB series pin multiplexing matrix and I/O type classification (GPIO_STD, GPIO_ENH, HSIO_STD).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA, VDDD, VCCD | Analog/Digital/Core Supply | Separate 2.7–5.5 V supply domains with independent brown-out detection thresholds (2.7 V / 3.0 V on VDDD/VDDA; 1.1 V on VCCD) |
| P0[0]–P7[31] | Programmable I/O Banks | Up to 220 GPIOs across seven ports; support GPIO_STD, GPIO_ENH, and HSIO_STD modes with configurable slew rate and drive strength |
| ETH_RXD0–ETH_TXD3 | Ethernet PHY Interface | Dedicated RMII/MII pins for 10/100 Mbps operation; supports IEEE-1588 timestamping via dedicated clock and event lines |
| CANFD0_TX–CANFD7_RX | CAN FD Transceiver Interface | Eight independent differential CAN FD bus interfaces; each supports programmable bit timing, loopback, and error frame injection |
| JTAG_TCK/TMS/TDI/TDO, SWDIO/SWCLK | Debug Interface | IEEE-1149.1 JTAG and Arm SWD ports supporting ETM instruction/data trace and GHS/IAR toolchain integration |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core deterministic execution | Two Cortex-M7 cores enable time-critical task partitioning (e.g., motor control + diagnostics) with hardware inter-processor communication |
| FOTA-ready flash architecture | Dual-bank flash with RWW allows seamless background firmware updates without halting application execution |
| ASIL-B safety mechanisms | SECDED ECC on all safety-critical memories, SMPU/PPU isolation, and MCWDT ensure fault containment per ISO 26262 requirements |
| Hardware crypto acceleration | Dedicated engine performs AES-256 encryption/decryption, ECC signing/verification, and SHA-512 hashing at line rate without CPU load |
| Flexible communication scalability | 11 runtime-reconfigurable SCBs (I²C/SPI/UART), 16 LIN channels, and 8 CAN FD channels support mixed-protocol vehicle networks |
Applications
| Body Control Module (BCM) | Advanced Gateway Controller |
|---|---|
Use Scenario: Centralized management of lighting, door locks, window lifts, and HVAC in premium vehicles. IC Role / Device Role / Timing Role: Primary MCU executing real-time control logic, CAN FD message routing, and LIN slave emulation for sub-nodes. Use Value: Dual Cortex-M7 cores deliver deterministic response under concurrent CAN FD traffic (8 channels) and PWM-driven LED dimming (75 TCPWM blocks). | Use Scenario: Aggregation and protocol translation between CAN FD, LIN, Ethernet, and SDHC-connected telematics modules. IC Role / Device Role / Timing Role: High-throughput gateway processor with IEEE-1588 PTP synchronization for time-coordinated diagnostics and OTA updates. Use Value: Integrated 10/100 Mbps Ethernet MAC + 8 CAN FD channels + SDHC interface enables secure, low-latency bridging without external co-processors. |
| Electric Power Steering (EPS) Safety Monitor | Automotive Audio Domain Controller |
Use Scenario: Secondary safety controller monitoring torque sensor signals, motor current, and steering angle in ASIL-B EPS systems. IC Role / Device Role / Timing Role: Dedicated Cortex-M0+ core executes secure boot, sensor fusion, and watchdog supervision independent of main control path. Use Value: Hardware ECC on SRAM/flash and SMPU-enforced memory isolation guarantee integrity of safety-critical monitoring routines. | Use Scenario: Audio processing hub connecting multiple ECUs (infotainment, ADAS, voice assistant) via I²S/TDM and Ethernet AVB streams. IC Role / Device Role / Timing Role: Real-time audio scheduler managing three I²S interfaces, TCPWM-based sample-rate conversion, and AVB packet timing. Use Value: Synchronized SAR ADC sampling (all 3 ADCs) and hardware-accelerated AES-GCM enable encrypted, low-jitter audio streaming across distributed nodes. |
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; 4 MB flash; supports CAN XL (not CAN FD); no integrated Ethernet MAC | Targeted at chassis/safety domains with CAN XL readiness; requires external PHY for Ethernet | Select when CAN XL adoption is prioritized over integrated Ethernet or dual-M7 redundancy |
| Renesas RH850/U2A | Tri-core (3× RH850-G3M @ 400 MHz); 12 MB flash; ASIL-D capable; no hardware crypto accelerator | Used in powertrain and brake control where ASIL-D certification and ultra-high compute density are mandatory | Select for ASIL-D–rated powertrain applications requiring >300 DMIPS and no reliance on software-based cryptography |
Compared with NXP S32K344 and Renesas RH850/U2A, CYT4BBBCEBQ0BZSGST uniquely balances dual-M7 determinism, integrated Ethernet MAC with PTP, and hardware-accelerated crypto - making it optimal for ASIL-B gateways and body controllers needing concurrent protocol handling and secure FOTA.
Availability
CYT4BBBCEBQ0BZSGST is available at Aetrix Electronics and suitable for automotive body-control modules, gateway controllers, electric power steering monitors, and domain audio hubs requiring stable component supply, long lifecycle support, and ASIL-B compliance.
Supply support for CYT4BBBCEBQ0BZSGST 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 ICs, and security solutions, with global R&D and manufacturing infrastructure.
CYT4BB belongs to the TRAVEO™ T2G automotive MCU product line, designed specifically for high-integration, safety-critical vehicle domains including body electronics, gateways, and domain controllers requiring ASIL-B compliance and multi-protocol connectivity.
FAQ
What is the maximum CAN FD data rate supported by CYT4BBBCEBQ0BZSGST?
The device supports up to 8 Mbps CAN FD data rate per channel, compliant with ISO 11898-1:2015 and Bosch CAN FD Specification v1.0. Actual achievable rate depends on physical layer topology and transceiver capabilities, not internal controller limits.
Does CYT4BBBCEBQ0BZSGST include hardware support for IEEE-1588 Precision Time Protocol?
Yes - the integrated Ethernet MAC supports IEEE-1588 PTP through hardware timestamping registers and dedicated event-triggered interrupt lines, enabling sub-microsecond time synchronization across vehicle networks without CPU intervention.
How is functional safety implemented for memory subsystems in this MCU?
SECDED (Single Error Correction, Double Error Detection) ECC is applied to all safety-critical memories: SRAM, code-flash, work-flash, and TCM. This is enforced at hardware level during read/write cycles and verified during startup and runtime self-tests per ISO 26262 ASIL-B requirements.
Can CYT4BBBCEBQ0BZSGST execute code directly from external memory?
Yes - the HYPERBUS™ or SPI (Quad/Octal) external memory interface supports Execute-in-Place (XIP), allowing direct instruction fetch from external flash without loading into internal RAM, reducing boot latency and SRAM usage for large firmware images.
CYT4BBBCEBQ0BZSGST 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®-M7
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 100MHz, 250MHz
- Connectivity:
- CANbus, Ethernet, I2C, LINbus, eMMC/SD, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 220
- Program Memory Size:
- 4.0625MB (4.0625M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256K x 8
- RAM Size:
- 768K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 90x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT4BBBCEBQ0BZSGST FAQ
1.How can I place an order for CYT4BBBCEBQ0BZSGST through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BBBCEBQ0BZSGST 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 CYT4BBBCEBQ0BZSGST reliable?
The price and inventory of CYT4BBBCEBQ0BZSGST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BBBCEBQ0BZSGST is usually 5 days.
3.What payment methods are accepted for CYT4BBBCEBQ0BZSGST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BBBCEBQ0BZSGST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BBBCEBQ0BZSGST?
CYT4BBBCEBQ0BZSGST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BBBCEBQ0BZSGST 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 CYT4BBBCEBQ0BZSGST?
For technical support, including CYT4BBBCEBQ0BZSGST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BBBCEBQ0BZSGST requirements.
6.How does Aetrix verify that CYT4BBBCEBQ0BZSGST is sourced from the original manufacturer or authorized distributors?
All CYT4BBBCEBQ0BZSGST 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 CYT4BBBCEBQ0BZSGST meets industry standards.
7.What is the process for return or replacement of CYT4BBBCEBQ0BZSGST?
All CYT4BBBCEBQ0BZSGST units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BBBCEBQ0BZSGST, 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 CYT4BBBCEBQ0BZSGST part is unused and in its original packaging.
Return procedure for CYT4BBBCEBQ0BZSGST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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