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Infineon Technologies CYT4BF8CEDQ0AESGS
- Part No.:
- CYT4BF8CEDQ0AESGS
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
CYT4BF8CEDQ0AESGS.pdf
- Description:
- IC MCU 32BT 8.1875MB FLSH 176QFP
- Quantity:
- Payment:
- Shipping:
Inventory:398
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Product details
Overview
CYT4BF8CEDQ0AESGS from Infineon is a dual-core Arm® Cortex®-M7 automotive MCU with a dedicated Cortex®-M0+ security core, 8384 KB code-flash, 1024 KB SRAM, and integrated CAN FD (up to 10 channels), Gigabit Ethernet MAC, and FlexRay interfaces - deployed in high-end body-control units requiring ASIL-B functional safety compliance.
For engineers reviewing the CYT4BF8CEDQ0AESGS datasheet, CYT4BF8CEDQ0AESGS pinout, CYT4BF8CEDQ0AESGS application, or CYT4BF8CEDQ0AESGS equivalent, key selection criteria include dual-M7 clock speed (350 MHz), flash RWW capability, eSHE/HSM cryptography support, and AEC-Q100 qualification for automotive deployment.
Technical Context
The device implements a heterogeneous multi-core architecture: two lockstep-capable 350-MHz Cortex®-M7 CPUs handle real-time control and signal processing, while the 100-MHz Cortex®-M0+ manages peripheral offload and secure boot authentication. Hardware inter-processor communication enables deterministic message passing between cores.
Functional safety is enforced via SMPU, PPU, SECDED ECC on all safety-critical memories (SRAM, flash, TCM), dual-threshold BOD (2.7 V / 3.0 V on VDDD/VDDA), and MCWDT - meeting ASIL-B requirements per ISO 26262 without external safety monitors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual 350-MHz Arm® Cortex®-M7 + single 100-MHz Cortex®-M0+ for security/peripheral management |
| Flash Memory | 8384 KB code-flash + 256 KB work-flash; supports Read-While-Write and dual-bank FOTA updates |
| SRAM | 1024 KB with selectable retention granularity for low-power mode optimization |
| CAN FD Channels | Up to 10 channels compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0 (up to 8 Mbps) |
| Ethernet MAC | Two 10/100/1000 Mbps IEEE-802.3az-compliant MACs with MII/RMII/RGMII PHY support |
| Security Engine | HSM with AES-128/192/256, SHA-256/512, RSA/ECC acceleration, TRNG, and eSHE-compliant secure boot |
| ADC | Three 12-bit SAR ADCs, up to 99 external channels, 1 Msps sampling rate, synchronized acquisition for motor sensing |
| Package | 320-BGA, 17 × 17 × 1.7 mm, 0.8-mm ball pitch, AEC-Q100 qualified |
Pinout & Package
320-BGA package (17 × 17 mm, 0.8-mm ball pitch) with thermal pad; pinout includes dedicated power domains (VDDD, VDDA, VCCD), multiple I/O banks supporting GPIO_STD/ENH/HSIO_STD, and dedicated interface balls for CAN FD, Ethernet MII/RGMII, FlexRay, and SCB (I²C/SPI/UART).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDD_0–VDDD_7 | Digital core supply (1.1 V) | Eight dedicated 1.1-V core power inputs with local decoupling for noise isolation |
| VDDA_0–VDDA_2 | Analog supply (2.7–5.5 V) | Three analog domain inputs supporting ADC reference stability and bandgap calibration |
| CANFD0_TX / CANFD0_RX | CAN FD Channel 0 differential pair | Direct connection to external CAN FD transceiver; supports bit rates up to 8 Mbps |
| ETH0_MDC / ETH0_MDIO | Ethernet management interface | IEEE-802.3-compliant MDIO/MDC bus for PHY configuration and status monitoring |
| FLEXRAY_CH0_DP / CH0_DN | FlexRay Channel 0 differential pair | Compliant with FlexRay V2.1 spec; supports fault-tolerant dual-channel operation at up to 10 Mbps |
| JTAG_TCK / SWD_CLK | Debug clock input | Shared pin supporting both IEEE-1149.1 JTAG and Arm® SWD protocols for unified debug access |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables atomic firmware updates over-the-air without halting real-time execution |
| Synchronized triple ADC sampling | Simultaneous capture across three 12-bit SAR ADCs for precise motor phase current measurement |
| Hardware event generator (EVTGEN) | 16 timers trigger autonomous actions (e.g., ADC conversion, interrupt dispatch) during Deep Sleep mode |
| Smart I/O logic blocks | Five configurable Boolean logic units enable hardware-level signal conditioning without CPU intervention |
| Flexible clock supervision | CSV monitors IMO, ECO, WCO, and PLL outputs independently with programmable timeout thresholds |
| Secure boot with digital signature | Verifies firmware authenticity using ECDSA signatures before loading into TCM or flash |
Applications
| Body Control Module (BCM) | Advanced Driver Assistance Systems (ADAS) Gateway |
|---|---|
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 CAN FD/LIN/FlexRay networks. Use Value: Dual M7 cores deliver deterministic response under concurrent LIN polling and PWM-driven LED dimming while maintaining ASIL-B safety integrity. | Use Scenario: Aggregating sensor data from radar, camera, and ultrasonic modules before forwarding to central ADAS ECU. IC Role / Device Role / Timing Role: High-bandwidth gateway MCU routing time-synchronized Ethernet AVB streams and CAN FD messages with IEEE-1588 PTP timestamping. Use Value: Dual Gigabit Ethernet MACs with RGMII support enable low-latency, jitter-controlled video and sensor data transport across domain controllers. |
| Electric Power Steering (EPS) Controller | Automotive Infotainment Head Unit |
Use Scenario: Closed-loop motor control for steering assist with torque feedback, position sensing, and fail-safe diagnostics. IC Role / Device Role / Timing Role: Real-time motor control unit running field-oriented control (FOC) algorithms with synchronized ADC sampling and PWM_DT generation. Use Value: TCPWM blocks with dead-time insertion and 15 dedicated motor-control counters ensure precise gate-drive timing for 3-phase inverter stages. | Use Scenario: Main application processor in head units supporting audio playback, navigation, Bluetooth, and OTA update orchestration. IC Role / Device Role / Timing Role: Secure application host managing SDHC (eMMC 5.1), I²S audio interfaces, and cryptographic services for DRM and firmware validation. Use Value: On-the-fly XIP encryption from external HYPERBUS™ memory enables secure, high-speed code execution without exposing firmware to external readout. |
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 core (320 MHz), 4 MB flash, no integrated Ethernet MAC, supports CAN XL instead of FlexRay | Better suited for chassis/safety-critical nodes where FlexRay is not required but CAN XL adoption is planned | Select when Ethernet connectivity is unnecessary and CAN XL roadmap alignment outweighs FlexRay legacy support |
| Renesas RH850/U2A | Tri-core (400 MHz V850E3 + dual 200 MHz RH850 cores), 12 MB flash, no HSM, supports GbE but lacks AVB/PTP compliance | Targeted at powertrain and brake systems requiring higher ASIL-D readiness and deterministic interrupt latency | Select when ASIL-D certification path and ultra-low interrupt jitter are mandatory over cryptographic acceleration |
Compared with S32K344 and RH850/U2A, CYT4BF8CEDQ0AESGS uniquely combines dual M7 performance, integrated FlexRay + dual GbE with AVB/PTP, and production-ready HSM - making it optimal for next-gen automotive gateways requiring mixed-network convergence and secure OTA.
Availability
CYT4BF8CEDQ0AESGS is available at Aetrix Electronics and suitable for automotive body-control modules, ADAS gateways, electric power steering controllers, and infotainment head units requiring stable component supply across extended product lifecycles.
Supply support for CYT4BF8CEDQ0AESGS 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 manufacturing and R&D infrastructure.
CYT4BF belongs to the TRAVEO™ T2G family - designed specifically for automotive domain controllers requiring high-performance real-time processing, multi-protocol networking, and hardware-enforced security for ASIL-B systems.
FAQ
What is the maximum operating frequency of the Cortex®-M7 cores in CYT4BF8CEDQ0AESGS?
The dual Arm® Cortex®-M7 CPUs operate at up to 350 MHz each, with independent instruction and data caches (16 KB each), TCM (16 KB instruction + 16 KB data per core), and single-cycle multiply/FPU support. This frequency is sustained under full voltage and temperature range per AEC-Q100 Grade 2 specifications (−40 °C to +105 °C).
Does CYT4BF8CEDQ0AESGS support secure boot with public-key verification?
Yes. It implements fast secure boot using ECDSA digital signature verification against firmware images stored in flash or external memory. The HSM validates signatures using pre-provisioned keys in OTP eFuses and enforces chain-of-trust before transferring control to application code in TCM.
How many CAN FD channels does CYT4BF8CEDQ0AESGS support, and what is the maximum data rate?
CYT4BF8CEDQ0AESGS supports up to 10 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, constrained by physical layer topology and external transceiver capabilities - verified via ISO 16845:2015 conformance testing.
Is Gigabit Ethernet support limited to specific PHY interfaces on CYT4BF8CEDQ0AESGS?
No. The dual Ethernet MACs support MII, RMII, and RGMII PHY interfaces simultaneously - enabling flexible board-level design choices. Both MACs comply with IEEE-802.3az (Energy Efficient Ethernet) and include hardware timestamping for IEEE-1588 PTP and AVB traffic shaping without CPU overhead.
CYT4BF8CEDQ0AESGS 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®-M4F
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 100MHz, 350MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 148
- Program Memory Size:
- 8.1875MB (8.1875M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256 x 8
- RAM Size:
- 1M x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 99x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT4BF8CEDQ0AESGS FAQ
1.How can I place an order for CYT4BF8CEDQ0AESGS through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BF8CEDQ0AESGS 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 CYT4BF8CEDQ0AESGS reliable?
The price and inventory of CYT4BF8CEDQ0AESGS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BF8CEDQ0AESGS is usually 5 days.
3.What payment methods are accepted for CYT4BF8CEDQ0AESGS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BF8CEDQ0AESGS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BF8CEDQ0AESGS?
CYT4BF8CEDQ0AESGS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BF8CEDQ0AESGS 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 CYT4BF8CEDQ0AESGS?
For technical support, including CYT4BF8CEDQ0AESGS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BF8CEDQ0AESGS requirements.
6.How does Aetrix verify that CYT4BF8CEDQ0AESGS is sourced from the original manufacturer or authorized distributors?
All CYT4BF8CEDQ0AESGS 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 CYT4BF8CEDQ0AESGS meets industry standards.
7.What is the process for return or replacement of CYT4BF8CEDQ0AESGS?
All CYT4BF8CEDQ0AESGS units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BF8CEDQ0AESGS, 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 CYT4BF8CEDQ0AESGS part is unused and in its original packaging.
Return procedure for CYT4BF8CEDQ0AESGS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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