Infineon Technologies CYT4BB8CEBQ0AEEGS
- Part No.:
- CYT4BB8CEBQ0AEEGS
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
CYT4BB8CEBQ0AEEGS.pdf
- Description:
- IC MCU 32BT 4.0625MB FLSH 176QFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,353
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Product details
Overview
CYT4BB8CEBQ0AEEGS from Infineon is a TRAVEO™ T2G 32-bit automotive microcontroller featuring dual Arm® Cortex®-M7 CPUs (250 MHz), one Arm® 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 LIN (16 channels). It targets high-end body-control units requiring ASIL-B functional safety, secure boot, and hardware cryptography acceleration.
For engineers reviewing the CYT4BB8CEBQ0AEEGS datasheet, CYT4BB8CEBQ0AEEGS pinout, CYT4BB8CEBQ0AEEGS application, or CYT4BB8CEBQ0AEEGS equivalent, key selection criteria include dual-core deterministic real-time performance, FOTA-ready dual-bank flash architecture, SECDED ECC on all safety-critical memories, and IEEE-1588 PTP support for time-synchronized automotive networks.
Technical Context
The device implements a heterogeneous multi-core architecture with hardware inter-processor communication between dual M7 cores and the M0+ security coprocessor. Memory subsystem includes RWW-capable flash with dual-bank mode for atomic firmware updates and 768 KB SRAM with configurable retention granularity per bank.
Clock system integrates IMO, ILO, ECO, WCO, PLL, and FLL with CSV supervision; safety features include SMPU, PPU, MCWDT, BOD at three voltage domains, and SECDED ECC on flash, SRAM, and TCM - all certified for ASIL-B compliance per ISO 26262.
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 Read-While-Write and dual-bank FOTA updates |
| SRAM | 768 KB with per-bank retention control for low-power DeepSleep/Hibernate operation |
| CAN FD Channels | Up to 8 channels compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0; max 8 Mbps data rate |
| Ethernet Interface | 10/100 Mbps MAC supporting MII/RMII PHY; IEEE-1588 PTP and IEEE-802.1BA AVB compliant |
| Functional Safety | ASIL-B certified with SMPU, PPU, MCWDT, BOD/OVD/LVD, CSV, and SECDED ECC on all safety-critical memories |
| Cryptography Engine | HSM with AES-128/192/256, SHA-256/512, RSA/ECC, TRNG, and Galois/Counter Mode (GCM) acceleration |
Pinout & Package
This device is packaged in a 272-ball BGA (16 × 16 × 1.7 mm, 0.8-mm ball pitch) with thermal pad. Pinout validated per Infineon's CYT4BB8CEBQ0AEEGS datasheet Rev. *H (pp. 24–26, Peripheral I/O Map).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO7 | I/O Power Supply Banks | Eight independent 1.71–5.5 V I/O supply domains enabling mixed-voltage interface operation |
| VDDD / VDDA / VCCD | Core/Analog/Digital Regulator Inputs | Separate supplies for digital core (1.1 V), analog (1.1–5.5 V), and external regulator (1.1 V) with BOD thresholds |
| TCK / TMS / TDI / TDO / nTRST | JTAG Debug Interface | Fully compliant IEEE-1149.1 boundary scan and debug access with SWD fallback |
| ETH_RXD0–3 / ETH_TXD0–3 / ETH_REF_CLK | Ethernet PHY Interface | MII/RMII-compatible 10/100 Mbps physical layer signaling with IEEE-1588 timestamping capability |
| CANFD0_TX/RX – CANFD7_TX/RX | CAN FD Transceiver I/O | Eight differential CAN FD bus interfaces supporting flexible data-rate arbitration and payload phases |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables atomic over-the-air (FOTA) firmware updates without runtime interruption or external memory dependency |
| Hardware Security Module (HSM) | Accelerates cryptographic operations (AES-GCM, ECDSA, SHA-512) and enforces secure boot via digital signature verification |
| ASIL-B safety mechanisms | Includes SMPU for shared memory isolation, PPU for peripheral access control, and SECDED ECC on flash/SRAM/TCM |
| Configurable power modes | Five low-power states (Active, Sleep, Low-power Sleep, DeepSleep, Hibernate) with granular wakeup source assignment per mode |
| Runtime-reconfigurable SCBs | 11 serial communication blocks each dynamically assignable as UART, SPI, or I²C - no fixed peripheral pin binding |
Applications
| Body Control Module (BCM) | Advanced Gateway Unit |
|---|---|
Use Scenario: Centralized vehicle body electronics managing lighting, door locks, window lifts, and climate control. IC Role / Device Role / Timing Role: Primary application processor executing real-time control tasks and coordinating LIN/CAN FD subnetworks. Use Value: Dual M7 cores enable deterministic task scheduling across multiple CAN FD buses while M0+ handles secure LIN message authentication. | Use Scenario: In-vehicle network gateway bridging CAN FD, LIN, and Ethernet domains for ADAS sensor fusion and OTA update distribution. IC Role / Device Role / Timing Role: Time-synchronized routing node using IEEE-1588 PTP to align timestamps across sensor clusters and ECU firmware updates. Use Value: Integrated Ethernet MAC with AVB/PTP support eliminates need for external timing-aware switch ICs in domain controller architectures. |
| Electric Power Steering (EPS) Support MCU | Secure Telematics Control Unit |
Use Scenario: Secondary MCU in EPS systems handling motor position sensing, torque calculation, and fail-safe actuation coordination. IC Role / Device Role / Timing Role: Safety-critical peripheral controller interfacing with SAR ADCs (75-channel), TCPWM (75×16-bit), and CAN FD for torque feedback loop closure. Use Value: Synchronized multi-ADC sampling and hardware PWM dead-time insertion ensure precise motor phase control under ASIL-B constraints. | Use Scenario: Cellular-connected telematics unit managing remote diagnostics, vehicle health monitoring, and encrypted firmware delivery. IC Role / Device Role / Timing Role: Secure host processor executing TLS stack, validating signed firmware images, and managing eMMC/SDHC storage with on-the-fly encryption. Use Value: HSM-accelerated AES-GCM and secure boot prevent unauthorized firmware execution and protect over-the-air update payloads. |
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; no integrated Ethernet MAC; uses external PHY for 100BASE-T1 | Lacks native IEEE-1588 PTP and AVB support; requires external Ethernet PHY and timing IC for synchronized networking | Select when cost-sensitive designs prioritize CAN FD/LIN count over integrated Ethernet timing capabilities |
| Renesas RH850/U2A | Tri-core (RH850-G3M + dual lockstep M7); 6 MB flash; ASIL-D capable; no HSM or AES acceleration | Higher safety level but lacks hardware crypto engine; relies on software-based TLS and secure boot verification | Select for ASIL-D brake-by-wire or steering ECU where deterministic lockstep execution outweighs cryptographic throughput needs |
Compared with NXP S32K344 and Renesas RH850/U2A, CYT4BB8CEBQ0AEEGS uniquely combines dual M7 real-time processing, integrated PTP-capable Ethernet MAC, and HSM-accelerated secure boot - making it optimal for gateway and domain controller applications requiring synchronized, authenticated, and updatable networked functionality.
Availability
CYT4BB8CEBQ0AEEGS is available at Aetrix Electronics and suitable for automotive body control modules, domain gateways, electric power steering support units, and secure telematics systems requiring stable component supply, long lifecycle assurance, and ASIL-B certification.
Supply support for CYT4BB8CEBQ0AEEGS 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 microcontrollers, and security ICs, with global R&D and manufacturing infrastructure.
CYT4BB belongs to the TRAVEO™ T2G family - designed specifically for automotive domain controllers and body electronics demanding ASIL-B functional safety, secure firmware updates, and multi-protocol connectivity (CAN FD, LIN, Ethernet).
FAQ
What is the maximum operating frequency of the Cortex-M7 cores in CYT4BB8CEBQ0AEEGS?
The dual Arm® Cortex®-M7 cores operate at up to 250 MHz, verified by Infineon's characterization across temperature and voltage ranges. Each core includes 16-KB instruction and data caches, single-cycle multiply, and single/double-precision FPU - enabling deterministic real-time execution for automotive control loops.
Does CYT4BB8CEBQ0AEEGS support IEEE-1588 Precision Time Protocol?
Yes - the integrated 10/100 Mbps Ethernet MAC fully supports IEEE-1588-2008 PTP with hardware timestamping on transmit and receive paths. It enables sub-microsecond clock synchronization across vehicle networks without external timing ICs or software-based timestamp correction.
How many CAN FD channels does CYT4BB8CEBQ0AEEGS provide, and what is their data rate capability?
CYT4BB8CEBQ0AEEGS supports up to eight CAN FD channels compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0. Each channel achieves up to 8 Mbps data phase rates, limited only by transceiver and physical layer topology - not by internal controller bandwidth.
Is the flash memory in CYT4BB8CEBQ0AEEGS capable of concurrent read-and-write operations?
Yes - the 4160 KB code-flash and 256 KB work-flash both support Read-While-Write (RWW), allowing firmware execution from one bank while programming another. Dual-bank mode enables atomic FOTA updates with zero downtime and rollback capability upon failed validation.
CYT4BB8CEBQ0AEEGS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 176-LQFP Exposed Pad
- Series:
- Traveo™ T2G
- Packaging:
- Tray
- 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:
- 148
- 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 82x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT4BB8CEBQ0AEEGS FAQ
1.How can I place an order for CYT4BB8CEBQ0AEEGS through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BB8CEBQ0AEEGS 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 CYT4BB8CEBQ0AEEGS reliable?
The price and inventory of CYT4BB8CEBQ0AEEGS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BB8CEBQ0AEEGS is usually 5 days.
3.What payment methods are accepted for CYT4BB8CEBQ0AEEGS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BB8CEBQ0AEEGS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BB8CEBQ0AEEGS?
CYT4BB8CEBQ0AEEGS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BB8CEBQ0AEEGS 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 CYT4BB8CEBQ0AEEGS?
For technical support, including CYT4BB8CEBQ0AEEGS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BB8CEBQ0AEEGS requirements.
6.How does Aetrix verify that CYT4BB8CEBQ0AEEGS is sourced from the original manufacturer or authorized distributors?
All CYT4BB8CEBQ0AEEGS 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 CYT4BB8CEBQ0AEEGS meets industry standards.
7.What is the process for return or replacement of CYT4BB8CEBQ0AEEGS?
All CYT4BB8CEBQ0AEEGS units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BB8CEBQ0AEEGS, 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 CYT4BB8CEBQ0AEEGS part is unused and in its original packaging.
Return procedure for CYT4BB8CEBQ0AEEGS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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