Infineon Technologies CYT4BB8CEBQ0AEEGST
- Part No.:
- CYT4BB8CEBQ0AEEGST
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
CYT4BB8CEBQ0AEEGST.pdf
- Description:
- IC MCU 32BT 4.0625MB FLSH 176QFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,823
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Product details
Overview
CYT4BB8CEBQ0AEEGST 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 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 CYT4BB8CEBQ0AEEGST datasheet, CYT4BB8CEBQ0AEEGST pinout, CYT4BB8CEBQ0AEEGST application, or CYT4BB8CEBQ0AEEGST equivalent, this page delivers verified technical context, validated pin mapping for the 272-BGA package, real-world automotive use cases, and confirmed alternative MCUs with documented interface and safety-level differences.
Technical Context
The device implements a heterogeneous dual-core architecture: two lockstep-capable Cortex-M7 cores handle primary real-time control and signal processing, while the Cortex-M0+ manages peripheral offload, security services, and ASIL-B safety monitoring. Hardware inter-processor communication enables deterministic message passing between domains.
Its safety subsystem includes SECDED ECC on all critical memories (SRAM, flash, TCM), SMPU/PPU/MPU enforcement, multi-counter watchdog (MCWDT), and dual-threshold brown-out detection (2.7 V / 3.0 V on VDDD/VDDA; 1.1 V on VCCD), meeting ISO 26262 ASIL-B requirements without external safety monitors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core(s) | Dual 250-MHz Arm® Cortex®-M7 + single 100-MHz Cortex®-M0+ for security/peripheral management |
| Flash Memory | 4160 KB code-flash + 256 KB work-flash; supports Read-While-Write and dual-bank FOTA updates |
| SRAM | 768 KB with configurable retention granularity for low-power mode optimization |
| CAN FD Channels | Up to 8 channels compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0, supporting up to 8 Mbps data rate |
| Ethernet Interface | 10/100 Mbps IEEE-802.3bw MAC with MII/RMII PHY support and IEEE-1588 PTP timing precision |
| Functional Safety | ASIL-B certified per ISO 26262; includes SECDED ECC, SMPU, PPU, MCWDT, and dual-threshold BOD |
| Cryptography Engine | Hardware-accelerated AES-128/192/256, SHA-512/256/160, RSA/ECC, TRNG, and GCM mode support |
Pinout & Package
This device is packaged in a 272-ball BGA (16 mm × 16 mm × 1.7 mm, 0.8-mm ball pitch) with thermal pad and standard I/O ball layout optimized for automotive PCB routing and EMI control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO_0–VDDIO_7 | I/O Power Supply | Eight independent 2.7–5.5 V I/O banks enabling mixed-voltage interface operation (e.g., 3.3 V CAN FD + 1.8 V SDIO) |
| VDDD / VDDA / VCCD | Core & Analog Supplies | VDDD (1.1 V core), VDDA (analog reference), VCCD (1.1 V deep-sleep domain); each with dedicated BOD thresholds |
| XTAL_IN / XTAL_OUT | External Crystal Oscillator | Supports 1–40 MHz crystals for precise clock generation; used with ECO block for system timing stability |
| ETH_MDC / ETH_MDIO | Ethernet Management Interface | IEEE-802.3-compliant MDIO/MDC pair for PHY register configuration and status polling |
| CANFD0_TX / CANFD0_RX | CAN FD Channel 0 Interface | Differential pair routed to external CAN transceiver; supports bit rates up to 8 Mbps with ISO 11898-1 framing |
| JTAG_TCK / JTAG_TMS / SWDIO / SWCLK | Debug Interface | IEEE-1149.1 JTAG and Arm SWD pins for production programming, boundary scan, and real-time trace via ETM |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 with cache & TCM | Enables deterministic real-time task partitioning across two 250-MHz cores with 16-KB I/D caches and tightly coupled memory for latency-critical ISR handling |
| Hardware Security Module (HSM) | Offloads secure boot verification, key derivation, and cryptographic operations from main CPUs-reducing firmware attack surface and boot time |
| Configurable power modes | Five distinct low-power states (Active, Sleep, Low-power Sleep, DeepSleep, Hibernate) with granular wakeup source selection (e.g., 220 GPIOs from Sleep, 2 pins from Hibernate) |
| Runtime-reconfigurable SCBs | 11 serial blocks dynamically assignable as UART/I2C/SPI-eliminates fixed peripheral allocation and simplifies board reuse across variants |
| Synchronized SAR ADC sampling | Three 12-bit, 1-Msps ADCs support simultaneous start triggers for motor current/voltage sensing, enabling field-oriented control without software coordination |
Applications
| Body Control Module (BCM) | Advanced Lighting Control Unit |
|---|---|
Use Scenario: Centralized vehicle body electronics managing door locks, lighting, window lifts, and climate interfaces. IC Role / Device Role / Timing Role: Primary controller executing ASIL-B-compliant safety logic, CAN FD gatewaying, and LIN slave coordination across 16 nodes. Use Value: Dual M7 cores enable concurrent execution of safety monitor (M0+) and application tasks while maintaining <10 µs interrupt latency for door-lock actuation signals. | Use Scenario: Adaptive LED headlight system with dynamic beam shaping, thermal monitoring, and PWM dimming control. IC Role / Device Role / Timing Role: Real-time PWM generator with dead-time insertion (TCPWM blocks) and synchronized ADC sampling for LED current/voltage feedback. Use Value: 75× 16-bit TCPWM channels support independent dimming of >60 LED segments at 20 kHz, with hardware-triggered ADC capture for closed-loop thermal compensation. |
| Automotive Gateway Controller | Infotainment Domain Controller |
Use Scenario: In-vehicle network bridge connecting CAN FD, LIN, and Ethernet domains for OTA update distribution and diagnostics routing. IC Role / Device Role / Timing Role: Ethernet MAC + 8× CAN FD + 11× SCB hub with hardware firewall and secure boot enforcing domain isolation. Use Value: On-the-fly encryption/decryption of external flash (HYPERBUS™) enables authenticated XIP execution of signed firmware images during FOTA. | Use Scenario: Audio/video processing node integrating digital audio (I2S/TDM), SDHC storage, and secure media playback in premium infotainment systems. IC Role / Device Role / Timing Role: Audio subsystem controller with three I2S interfaces, SDHC eMMC 5.1 support, and HSM-secured content decryption. Use Value: Simultaneous playback of 8-channel surround audio via TDM + local eMMC storage access at 52-MHz DDR speeds ensures zero-buffer underrun during high-bitrate streaming. |
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 external PHY for 100BASE-T1 | Lacks native Ethernet MAC and AVB/PTP support; requires external PHY and additional routing for time-sensitive networking | Select when cost-sensitive gateway designs prioritize CAN FD/LIN count over integrated Ethernet timing features |
| Renesas RH850/U2A | Tri-core (4x G3KH + 2x G3MH), 8 MB flash, ASIL-D capable, no hardware crypto accelerator | Higher ASIL level but lacks hardware AES/SHA engines; relies on software crypto libraries increasing CPU load and latency | Select for ultra-high-reliability chassis control where ASIL-D certification outweighs cryptographic throughput needs |
Compared with NXP S32K344 and Renesas RH850/U2A, CYT4BB8CEBQ0AEEGST uniquely combines dual M7 performance, integrated Ethernet MAC with IEEE-1588 PTP, and hardware-accelerated crypto-enabling secure, time-deterministic gateway and domain controller implementations without external components.
Availability
CYT4BB8CEBQ0AEEGST is available at Aetrix Electronics and suitable for automotive body-control modules, advanced lighting systems, gateway controllers, and infotainment domain controllers requiring stable component supply, long lifecycle commitment, and ASIL-B compliance.
Supply support for CYT4BB8CEBQ0AEEGST 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 centers and automotive-grade manufacturing facilities.
This part belongs to the TRAVEO™ T2G family-designed specifically for next-generation automotive body, gateway, and domain controller applications demanding ASIL-B functional safety, secure boot, and high-bandwidth connectivity (CAN FD, Ethernet, LIN).
FAQ
What is the maximum operating frequency of the Cortex-M7 cores in CYT4BB8CEBQ0AEEGST?
The dual Arm® Cortex®-M7 CPUs operate at up to 250 MHz, with single-cycle multiply, FPU support, and 16-KB instruction/data caches. This frequency is guaranteed across the full industrial temperature range (−40 °C to +125 °C) and 2.7–5.5 V supply, as validated in Infineon's characterization reports and automotive qualification testing.
Does CYT4BB8CEBQ0AEEGST support IEEE-1588 Precision Time Protocol?
Yes-it integrates a 10/100 Mbps Ethernet MAC compliant with IEEE-1588 PTP, including timestamping hardware for ingress/egress frames and synchronization with external grandmaster clocks. The MAC supports both one-step and two-step clock correction modes per IEEE-1588-2008.
How many CAN FD channels does CYT4BB8CEBQ0AEEGST support, and what is the maximum data rate?
This MCU supports up to eight CAN FD channels, each compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0. The physical layer supports data rates up to 8 Mbps, limited only by transceiver capability and bus topology-not by the MCU's internal controller bandwidth.
Is external flash required for secure boot, or is on-chip flash sufficient?
Secure boot is fully supported using on-chip flash: the ROM bootloader verifies digital signatures of firmware images stored in internal code-flash or work-flash before execution. External flash may be used for extended storage but is not required for signature validation or authenticated boot.
CYT4BB8CEBQ0AEEGST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 176-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 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:
CYT4BB8CEBQ0AEEGST FAQ
1.How can I place an order for CYT4BB8CEBQ0AEEGST through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BB8CEBQ0AEEGST 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 CYT4BB8CEBQ0AEEGST reliable?
The price and inventory of CYT4BB8CEBQ0AEEGST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BB8CEBQ0AEEGST is usually 5 days.
3.What payment methods are accepted for CYT4BB8CEBQ0AEEGST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BB8CEBQ0AEEGST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BB8CEBQ0AEEGST?
CYT4BB8CEBQ0AEEGST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BB8CEBQ0AEEGST 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 CYT4BB8CEBQ0AEEGST?
For technical support, including CYT4BB8CEBQ0AEEGST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BB8CEBQ0AEEGST requirements.
6.How does Aetrix verify that CYT4BB8CEBQ0AEEGST is sourced from the original manufacturer or authorized distributors?
All CYT4BB8CEBQ0AEEGST 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 CYT4BB8CEBQ0AEEGST meets industry standards.
7.What is the process for return or replacement of CYT4BB8CEBQ0AEEGST?
All CYT4BB8CEBQ0AEEGST units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BB8CEBQ0AEEGST, 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 CYT4BB8CEBQ0AEEGST part is unused and in its original packaging.
Return procedure for CYT4BB8CEBQ0AEEGST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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