Infineon Technologies CYT4BB5CEBQ0AEEGST
- Part No.:
- CYT4BB5CEBQ0AEEGST
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP Exposed Pad
- Datasheet:
-
CYT4BB5CEBQ0AEEGST.pdf
- Description:
- IC MCU 32BT 4.0625MB FLSH 100QFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,211
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Product details
Overview
CYT4BB5CEBQ0AEEGST from Infineon Technologies 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 + 256 KB work-flash, 768 KB SRAM, and integrated CAN FD (up to 8 Mbps), Ethernet MAC (10/100 Mbps), and LIN (16 channels) - deployed in high-end body-control units requiring ASIL-B functional safety compliance.
For engineers reviewing the CYT4BB5CEBQ0AEEGST datasheet, CYT4BB5CEBQ0AEEGST pinout, CYT4BB5CEBQ0AEEGST application, or CYT4BB5CEBQ0AEEGST equivalent, key selection considerations include dual-core deterministic real-time execution, hardware-accelerated cryptography (AES-128/192/256, ECC, SHA-512), SECDED ECC on all safety-critical memories, and support for FOTA via dual-bank flash architecture.
Technical Context
The device implements a heterogeneous multi-core architecture with tightly coupled memory (16 KB ITCM/16 KB DTCM per M7 core), hardware inter-processor communication, and three independent DMA controllers (P-DMA0: 100 channels, P-DMA1: 58 channels, M-DMA0: 8 channels). It integrates eSHE/HSM security subsystems enabling secure boot with digital signature verification and fast secure boot flow.
Clock system includes IMO, ILO, ECO, WCO, PLL, and FLL; power management supports five low-power modes (Active, Sleep, Low-power Sleep, DeepSleep, Hibernate) with configurable BOD thresholds (2.7 V / 3.0 V on VDDD/VDDA, 1.1 V on VCCD) and wakeup sources including up to 220 GPIO pins and RTC alarms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core(s) | Dual 250-MHz Arm® Cortex®-M7 + single 100-MHz Cortex®-M0+ for peripheral/security offload |
| Flash Memory | 4160 KB code-flash + 256 KB work-flash with Read-While-Write and dual-bank FOTA support |
| SRAM | 768 KB with selectable retention granularity for low-power state preservation |
| CAN FD Channels | Up to eight ISO 11898-1:2015–compliant channels, supporting up to 8 Mbps data rate |
| Ethernet Interface | 10/100 Mbps MAC compliant with IEEE-802.3bw, supporting MII/RMII PHY and IEEE-1588 PTP |
| ADC System | Three 12-bit SAR ADCs (75 total external channels, 1 Msps max sampling rate, synchronized acquisition) |
| Security Engine | Hardware-accelerated AES-128/192/256, 3DES, RSA/ECC, SHA-1/2/3, CRC32, TRNG, and GCM mode |
| Functional Safety | ASIL-B compliant with MPU, SMPU, PPU, SECDED ECC on SRAM/flash/TCM, MCWDT, CSV, LVD/BOD/OVD |
Pinout & Package
Package: 272-ball BGA, 16 mm × 16 mm × 1.7 mm (max), 0.8-mm ball pitch, RoHS-compliant, automotive-grade (AEC-Q100 Grade 2).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDD / VDDA | Core & Analog Power Supply | 2.7–5.5 V input; regulated internally to 1.1 V core supply; separate analog domain for ADC reference stability |
| SWDIO / SWCLK | Serial Wire Debug Interface | Two-pin debug port supporting full JTAG/SWD access, ETM trace, and secure firmware programming |
| CANFD0_TX / CANFD0_RX | Channel 0 CAN FD Transceiver Interface | Differential pair for ISO 11898-1 compliant physical layer connection; supports bit rates up to 8 Mbps |
| ETH_MDIO / ETH_MDC | Ethernet Management Interface | IEEE-802.3 standard MDIO/MDC bus for PHY configuration and status monitoring |
| GPIO_000–GPIO_219 | Programmable I/O Banks | 220 total pins across GPIO_STD, GPIO_ENH, and HSIO_STD types; configurable as wake sources or Smart I/O logic inputs |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core deterministic execution | Independent M7 cores with dedicated TCM, cache, and MPU enable time-critical task partitioning without OS interference |
| FOTA-ready flash architecture | Dual-bank flash with RWW allows background firmware update while maintaining active application execution |
| Hardware crypto acceleration | Full AES-GCM, SHA-512, ECC-384, and TRNG integrated into HSM block - eliminates software crypto bottlenecks in secure boot |
| ASIL-B safety mechanisms | SECDED ECC on all safety-critical memories, redundant watchdogs (WDT + MCWDT), clock supervision (CSV), and voltage monitors (LVD/BOD/OVD) |
| Flexible communication matrix | Runtime-reconfigurable SCBs (11 total), 16 LIN channels, 8 CAN FD ports, and Ethernet MAC with AVB/PTP support for domain controller consolidation |
Applications
| Body Control Module (BCM) | Gateway Controller |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and seat functions in premium vehicles. IC Role / Device Role / Timing Role: Primary real-time controller managing CAN FD/LIN message routing, PWM dimming, and secure OTA updates. Use Value: Dual M7 cores execute safety-critical body logic and infotainment-linked features concurrently; dual-bank flash enables zero-downtime firmware patching. |
Use Scenario: Aggregation and translation between vehicle domains (powertrain, chassis, infotainment) using CAN FD, LIN, and Ethernet. IC Role / Device Role / Timing Role: Domain gateway MCU performing protocol bridging, firewall filtering, and time-synchronized diagnostics via IEEE-1588 PTP. Use Value: Integrated Ethernet MAC with AVB/PTP ensures sub-microsecond timestamp alignment across ECUs; hardware crypto secures inter-domain message signing. |
| Advanced Lighting Control Unit | Secure Telematics Control Unit |
Use Scenario: Adaptive front-lighting systems (AFS) with dynamic beam shaping, thermal monitoring, and LED driver coordination. IC Role / Device Role / Timing Role: Real-time motor control and high-resolution ADC acquisition for thermal feedback loops; PWM_DT generation for precise LED current regulation. Use Value: 75-channel SAR ADC with synchronized sampling captures thermal gradients across headlamp arrays; TCPWM blocks deliver dead-time–controlled PWM for multi-phase LED drivers. |
Use Scenario: Cellular-connected vehicle module handling remote diagnostics, GNSS positioning, and encrypted over-the-air updates. IC Role / Device Role / Timing Role: Secure host processor interfacing with LTE modem, GNSS receiver, and eSIM via SDHC, UART, and SPI peripherals. Use Value: HSM-enforced secure boot and AES-GCM encryption protect firmware integrity and telematics data in transit; eMMC 5.1 interface enables robust local storage for log buffering. |
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 Arm® Cortex®-M7 (320 MHz), 4 MB flash, no integrated Ethernet MAC, supports CAN FD (6 ch), ASIL-D capable | Lacks native Ethernet and dual-M7 architecture; optimized for safety-critical powertrain rather than domain gateway consolidation | Select when ASIL-D certification is mandatory and Ethernet connectivity is handled externally via PHY+switch |
| Renesas RH850/U2A | 32-bit proprietary core (not Arm), 8 MB flash, 12 CAN FD, no integrated crypto accelerator, ASIL-B certified | Legacy automotive ecosystem focus; lacks modern Arm toolchain compatibility and hardware-accelerated TLS offload | Prefer for brownfield designs already committed to RH850 toolchains and legacy CAN-only architectures |
Compared with NXP S32K344 and Renesas RH850/U2A, CYT4BB5CEBQ0AEEGST uniquely combines dual Arm M7 cores, integrated 10/100 Ethernet MAC with PTP, and HSM-based crypto acceleration - enabling consolidated domain controller designs without external PHYs or crypto co-processors.
Availability
CYT4BB5CEBQ0AEEGST is available at Aetrix Electronics and suitable for automotive body control modules, domain gateways, advanced lighting systems, and secure telematics units requiring stable component supply, long lifecycle support, and AEC-Q100 Grade 2 qualification.
Supply support for CYT4BB5CEBQ0AEEGST 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 R&D and manufacturing infrastructure serving Tier-1 automotive suppliers.
CYT4BB belongs to the TRAVEO™ T2G family - designed specifically for next-generation automotive domain controllers requiring real-time determinism, hardware-enforced security, and multi-protocol connectivity (CAN FD, LIN, Ethernet) in ASIL-B environments.
FAQ
Does CYT4BB5CEBQ0AEEGST support IEEE-1588 Precision Time Protocol?
Yes, the integrated Ethernet MAC fully supports IEEE-1588 PTP in hardware, including timestamping of ingress/egress frames and synchronization with external grandmaster clocks. This enables sub-microsecond time alignment across distributed ECUs in domain controller and ADAS applications without external timing ICs.
What is the maximum CAN FD data rate supported by this MCU?
CYT4BB5CEBQ0AEEGST supports CAN FD bit rates up to 8 Mbps in the data phase, compliant with ISO 11898-1:2015 and Bosch CAN FD Specification V1.0. Actual achievable rate depends on physical layer topology and transceiver performance, but the controller's internal timing logic is validated for 8 Mbps operation.
How does the dual-bank flash architecture enable FOTA updates?
The 4160 KB code-flash is partitioned into two independently erasable banks. During an FOTA update, new firmware is written to the inactive bank while the system executes from the active bank. Upon successful validation, the boot vector is atomically redirected - ensuring zero-downtime field updates without risk of bricking.
Is external RAM required for typical automotive applications?
No. The device integrates 768 KB of on-chip SRAM with configurable retention, sufficient for real-time control stacks, cryptographic buffers, and Ethernet frame queues. External memory interfaces (SPI/HYPERBUS/SDHC) are optional for extended storage or XIP code execution - not required for baseline ASIL-B body/gateway use cases.
CYT4BB5CEBQ0AEEGST 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 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:
- 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT4BB5CEBQ0AEEGST FAQ
1.How can I place an order for CYT4BB5CEBQ0AEEGST through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BB5CEBQ0AEEGST 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 CYT4BB5CEBQ0AEEGST reliable?
The price and inventory of CYT4BB5CEBQ0AEEGST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BB5CEBQ0AEEGST is usually 5 days.
3.What payment methods are accepted for CYT4BB5CEBQ0AEEGST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BB5CEBQ0AEEGST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BB5CEBQ0AEEGST?
CYT4BB5CEBQ0AEEGST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BB5CEBQ0AEEGST 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 CYT4BB5CEBQ0AEEGST?
For technical support, including CYT4BB5CEBQ0AEEGST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BB5CEBQ0AEEGST requirements.
6.How does Aetrix verify that CYT4BB5CEBQ0AEEGST is sourced from the original manufacturer or authorized distributors?
All CYT4BB5CEBQ0AEEGST 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 CYT4BB5CEBQ0AEEGST meets industry standards.
7.What is the process for return or replacement of CYT4BB5CEBQ0AEEGST?
All CYT4BB5CEBQ0AEEGST units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BB5CEBQ0AEEGST, 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 CYT4BB5CEBQ0AEEGST part is unused and in its original packaging.
Return procedure for CYT4BB5CEBQ0AEEGST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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