Infineon Technologies CYT3BB5CEBQ0AESGST
- Part No.:
- CYT3BB5CEBQ0AESGST
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP Exposed Pad
- Datasheet:
-
CYT3BB5CEBQ0AESGST.pdf
- Description:
- IC MCU 32BT 4.0625MB FLSH 100QFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,807
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Product details
Overview
CYT3BB5CEBQ0AESGST 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 hardware security including AES-128/192/256, RSA/ECC, and SHA-256/512. It targets high-end body-control units with CAN FD (up to 8 Mbps), Ethernet MAC (10/100 Mbps), and ASIL-B functional safety compliance.
For engineers reviewing the CYT3BB5CEBQ0AESGST datasheet, CYT3BB5CEBQ0AESGST pinout, CYT3BB5CEBQ0AESGST application, or CYT3BB5CEBQ0AESGST equivalent, key selection criteria include dual-core deterministic real-time performance, secure boot with digital signature verification, RWW flash for FOTA updates, and integrated HSM/eSHE for automotive cybersecurity requirements.
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 and security services via hardware inter-processor communication. Memory subsystem includes SECDED ECC on all safety-critical memories (SRAM, flash, TCM) and dual-bank flash supporting atomic firmware updates.
Clocking uses multiple sources-IMO, ILO, ECO, WCO-with PLL/FLL for frequency synthesis; power management supports five low-power modes (DeepSleep, Hibernate) with configurable BOD thresholds (2.7 V / 3.0 V on VDDD/VDDA, 1.1 V on VCCD) and wakeup via up to 220 GPIOs or RTC alarms.
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 |
| SRAM | 768 KB with selectable retention granularity for low-power state preservation |
| CAN FD Channels | Up to 8 channels compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0, up to 8 Mbps data rate |
| Ethernet Interface | 10/100 Mbps MAC supporting MII/RMII PHY, IEEE-1588 PTP, and AVB (IEEE-802.1BA) |
| Security Engine | HSM with eSHE, AES-128/192/256, RSA/ECC, SHA-256/512, TRNG, and secure boot via digital signature |
| Functional Safety | ASIL-B compliant with MPU, SMPU, PPU, MCWDT, SECDED ECC on SRAM/flash/TCM, and clock supervisor |
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 is defined per Infineon's CYT3BB/4BB Peripheral I/O Map (Datasheet Rev. *H, Section 6) and includes dedicated banks for CAN FD, Ethernet RMII/MII, SDHC, SCB (I²C/SPI/UART), ADC inputs, TCPWM outputs, and secure debug (SWD/JTAG).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIOx / VSSIOx | I/O supply and ground | Configurable per-port voltage domains (1.8 V / 3.3 V) enabling mixed-signal interface flexibility |
| TXD0–TXD3 / RXD0–RXD3 | Ethernet PHY interface | RMIIMII pins supporting 10/100 Mbps operation with IEEE-1588 timestamp alignment |
| CANFD0_TX / CANFD0_RX | CAN FD channel 0 differential pair | Direct connection to external CAN FD transceiver; supports bit rates up to 8 Mbps |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug access supporting full trace (ETM), secure authentication, and production programming |
| SDHC_CMD / SDHC_CLK / SDHC_D0–D3 | eMMC/SD/SDIO host interface | Compliant with eMMC 5.1 and SD 6.0; supports 52-MHz DDR mode for high-throughput storage |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core deterministic execution | Lockstep-capable Cortex-M7 cores enable ASIL-B real-time control with hardware fault detection |
| Secure firmware update | Dual-bank flash + RWW allows atomic over-the-air (FOTA) updates without runtime interruption |
| Hardware crypto acceleration | Dedicated engine performs AES-GCM, RSA-4096, ECC-384, and SHA-512 at line rate for TLS/IPsec |
| Smart I/O logic | Five programmable Smart I/O blocks perform Boolean operations on GPIO signals without CPU intervention |
| Motor control timing | 75× 16-bit + 8× 32-bit TCPWM blocks support synchronized PWM_DT, quadrature decoding, and dead-time insertion |
Applications
| Body Control Module (BCM) | Automotive Gateway |
|---|---|
Use Scenario: Centralized vehicle body electronics managing lighting, door locks, window lifts, and climate control. IC Role / Device Role / Timing Role: Primary controller executing real-time CAN FD messaging, LIN slave coordination, and secure firmware updates. Use Value: Dual Cortex-M7 enables concurrent safety-critical (ASIL-B) and non-safety tasks; HSM ensures OTA update authenticity. | Use Scenario: High-bandwidth vehicle network bridge between domain controllers (ADAS, infotainment, powertrain) using CAN FD and Ethernet. IC Role / Device Role / Timing Role: Protocol translator and firewall enforcing secure routing between CAN FD, LIN, and IEEE-1588 time-synchronized Ethernet. Use Value: Integrated Ethernet MAC with PTP support enables deterministic inter-domain communication; cryptography engine secures routing policies. |
| Electric Power Steering (EPS) | Advanced Lighting Control |
Use Scenario: Real-time motor position sensing and torque command execution with functional safety monitoring. IC Role / Device Role / Timing Role: Safety controller performing synchronized SAR ADC sampling (3× 12-bit @ 1 Msps), TCPWM generation, and watchdog supervision. Use Value: SECDED ECC on SRAM/flash prevents silent data corruption; dual-bank flash enables safe field calibration updates. | Use Scenario: Adaptive LED headlight beam shaping using PWM-controlled matrix drivers and ambient light sensing. IC Role / Device Role / Timing Role: High-resolution timing controller generating >100-channel PWM with dead-time insertion and synchronized ADC acquisition. Use Value: 75× TCPWM blocks support independent dimming per LED segment; Smart I/O reduces CPU load for sensor-triggered beam adjustments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | Single Cortex-M7 @ 320 MHz; 4 MB flash; no integrated Ethernet MAC; uses separate Ethernet PHY | Lacks native 10/100 Mbps MAC and IEEE-1588 support; relies on external PHY for time-sensitive networking | Select when Ethernet is not required or when leveraging existing NXP S32K ecosystem tools and safety libraries |
| Renesas RH850/U2A | 32-bit RXv3 core @ 400 MHz; 8 MB flash; CAN FD only (no Ethernet); ASIL-D capable | Focused on powertrain/safety-critical domains; no audio or SDHC interfaces; higher ASIL rating but less connectivity | Select for ASIL-D powertrain control where Ethernet/Crypto/Audio are unnecessary and legacy RH850 toolchain is mandated |
Compared with S32K344 and RH850/U2A, CYT3BB5CEBQ0AESGST uniquely integrates Ethernet MAC with PTP, dual-bank flash for FOTA, and HSM-based secure boot-making it optimal for next-gen automotive gateways and connected BCMs requiring both safety and connectivity.
Availability
CYT3BB5CEBQ0AESGST is available at Aetrix Electronics and suitable for automotive body-control modules, vehicle gateways, electric power steering systems, and adaptive lighting control requiring stable component supply across extended temperature ranges (–40°C to +125°C).
Supply support for CYT3BB5CEBQ0AESGST 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 is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global manufacturing and automotive qualification expertise.
CYT3BB/4BB belongs to the TRAVEO™ T2G family, designed specifically for automotive body and gateway applications demanding ASIL-B functional safety, secure over-the-air updates, and high-bandwidth interconnectivity (CAN FD + Ethernet).
FAQ
What is the maximum CAN FD data rate supported by CYT3BB5CEBQ0AESGST?
The device supports CAN FD up to 8 Mbps per channel, compliant with ISO 11898-1:2015 and Bosch CAN FD Specification v1.0. Actual achievable rate depends on physical layer topology and external transceiver capabilities-not internal controller limitations. All eight CAN FD channels share this specification.
Does CYT3BB5CEBQ0AESGST support IEEE-1588 Precision Time Protocol?
Yes, the integrated Ethernet MAC fully supports IEEE-1588 PTP for sub-microsecond time synchronization across vehicle networks. Hardware timestamping is performed at the MAC layer for transmit and receive frames, enabling deterministic latency compensation in gateway and ADAS applications.
How is secure boot implemented on this MCU?
Secure boot uses hardware-accelerated digital signature verification (RSA-2048/3072 or ECC-256) of the boot image stored in flash. The HSM validates signatures before loading code into TCM, enforces chain-of-trust, and prevents unauthorized firmware execution. Boot keys are stored in OTP eFuse and protected by eSHE.
What low-power modes are available and how many GPIOs support wake-up from DeepSleep?
CYT3BB5CEBQ0AESGST offers five low-power modes: Active, Sleep, Low-power Sleep, DeepSleep, and Hibernate. From DeepSleep, wakeup is supported via Event Generator, SCB, Watchdog Timer, or RTC alarms-up to 220 GPIOs can trigger wake-up from Sleep modes, but DeepSleep wakeup is limited to specific event sources, not general GPIOs.
CYT3BB5CEBQ0AESGST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP Exposed Pad
- 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 Dual-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:
- 72
- 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 55x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT3BB5CEBQ0AESGST FAQ
1.How can I place an order for CYT3BB5CEBQ0AESGST through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT3BB5CEBQ0AESGST 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 CYT3BB5CEBQ0AESGST reliable?
The price and inventory of CYT3BB5CEBQ0AESGST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT3BB5CEBQ0AESGST is usually 5 days.
3.What payment methods are accepted for CYT3BB5CEBQ0AESGST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT3BB5CEBQ0AESGST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT3BB5CEBQ0AESGST?
CYT3BB5CEBQ0AESGST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT3BB5CEBQ0AESGST 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 CYT3BB5CEBQ0AESGST?
For technical support, including CYT3BB5CEBQ0AESGST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT3BB5CEBQ0AESGST requirements.
6.How does Aetrix verify that CYT3BB5CEBQ0AESGST is sourced from the original manufacturer or authorized distributors?
All CYT3BB5CEBQ0AESGST 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 CYT3BB5CEBQ0AESGST meets industry standards.
7.What is the process for return or replacement of CYT3BB5CEBQ0AESGST?
All CYT3BB5CEBQ0AESGST units undergo pre-shipment inspection (PSI). If there is an issue with CYT3BB5CEBQ0AESGST, 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 CYT3BB5CEBQ0AESGST part is unused and in its original packaging.
Return procedure for CYT3BB5CEBQ0AESGST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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