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Infineon Technologies CYT4BF8CDDQ0AESGST
- Part No.:
- CYT4BF8CDDQ0AESGST
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
CYT4BF8CDDQ0AESGST.pdf
- Description:
- IC MCU 32BT 8.1875MB FLSH 176QFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,127
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Product details
Overview
CYT4BF8CDDQ0AESGST from Infineon is a dual-core automotive microcontroller featuring two 350-MHz Arm® Cortex®-M7 CPUs and one 100-MHz Cortex®-M0+ CPU, 8384 KB code-flash, 1024 KB SRAM, and integrated CAN FD (up to 10 channels), Gigabit Ethernet MAC, and FlexRay interfaces. It targets high-end body-control units requiring ASIL-B functional safety, secure boot, and hardware cryptography acceleration.
For engineers reviewing the CYT4BF8CDDQ0AESGST datasheet, CYT4BF8CDDQ0AESGST pinout, CYT4BF8CDDQ0AESGST application, or CYT4BF8CDDQ0AESGST equivalent, key selection factors include dual M7 core timing determinism, RWW flash for FOTA updates, eSHE/HSM security compliance, and 240-GPIO flexibility in automotive domain controllers.
Technical Context
The CYT4BF8CDDQ0AESGST implements a heterogeneous multi-CPU architecture: dual Cortex-M7 cores handle real-time deterministic control and signal processing, while the Cortex-M0+ manages peripheral offload and security services including secure boot verification and cryptographic acceleration via dedicated hardware engines (AES-256, ECC, SHA-512, TRNG).
Its system-level safety architecture includes SMPU, PPU, SECDED ECC on all critical memories, MCWDT, and dual-threshold BOD (2.7 V / 3.0 V on VDDD/VDDA), enabling ASIL-B compliance without external safety monitors. Clocking supports ECO, IMO, PLL, and FLL with IEEE-1588 PTP support for time-synchronized Ethernet applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual 350-MHz Arm® Cortex®-M7 + single 100-MHz Cortex®-M0+ for asymmetric processing partitioning |
| Flash Memory | 8384 KB code-flash + 256 KB work-flash with Read-While-Write and dual-bank FOTA support |
| 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, supporting up to 8 Mbps data rate |
| Ethernet MAC | Two 10/100/1000 Mbps IEEE-802.3az-compliant MACs with RGMII/GMII/MII/RMII PHY interface options |
| Security Engine | HSM with eSHE, AES-128/192/256, SHA-512/256/160, RSA/ECC, TRNG, and Galois/Counter Mode (GCM) |
| Functional Safety | ASIL-B certified with SECDED ECC on SRAM/flash/TCM, SMPU, PPU, MCWDT, and dual-threshold BOD |
Pinout & Package
This device is available in a 320-ball BGA package (17 mm × 17 mm, 0.8-mm ball pitch, 1.7-mm max height) with 240 GPIO pins distributed across multiple I/O banks supporting GPIO_STD, GPIO_ENH, and HSIO_STD types.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA, VDDD | Analog/Digital Power Supply | Separate 2.7–5.5 V supplies enable noise isolation between analog ADC and digital logic domains |
| P0[0]–P15[15] | Programmable GPIO Bank | 240 total I/Os with configurable drive strength, slew rate, pull-up/down, and interrupt capability per pin |
| ECO_IN/ECO_OUT | External Crystal Oscillator Interface | Supports precision clock source (e.g., 20–50 MHz) for system timing and IEEE-1588 synchronization |
| ETH_RXD0–ETH_TXD3 | Gigabit Ethernet PHY Interface | RGMII-compliant signals enabling deterministic low-latency packet handling for AVB/TSN-capable networks |
| CANFD0_TX/CANFD0_RX | CAN FD Channel 0 Differential Pair | High-speed (up to 8 Mbps) bus interface with built-in protocol engine and error confinement for automotive networking |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables atomic firmware updates over-the-air without halting real-time execution or compromising safety integrity |
| Hardware-accelerated cryptography | Offloads AES-256, SHA-512, and ECC operations from CPU, reducing latency and power in secure boot and OTA signing |
| ASIL-B safety mechanisms | Integrated SMPU, PPU, SECDED ECC, and MCWDT eliminate need for external safety monitors in body-control applications |
| Configurable I/O types | GPIO_STD, GPIO_ENH, and HSIO_STD allow mixed-signal routing, motor control PWM output, and high-speed serial interface coexistence |
| Synchronized SAR ADC sampling | Simultaneous 12-bit conversion across three ADCs enables precise motor phase current sensing for field-oriented control |
Applications
| Body Control Module (BCM) | Gateway Controller |
|---|---|
Use Scenario: Centralized management of lighting, door locks, window lifts, and HVAC in premium vehicles. IC Role / Device Role / Timing Role: Primary compute node executing real-time control tasks, CAN FD message routing, and LIN slave coordination. Use Value: Dual M7 cores deliver deterministic response under concurrent CAN FD traffic and PWM-driven actuator control, while HSM secures firmware updates. | Use Scenario: Aggregation and translation between CAN FD, FlexRay, and Ethernet domains in zonal architectures. IC Role / Device Role / Timing Role: High-bandwidth bridging engine with IEEE-1588 PTP timestamping for time-coordinated diagnostics and OTA orchestration. Use Value: Two Gigabit Ethernet MACs and 10 CAN FD channels enable seamless cross-domain data forwarding with sub-microsecond timestamp accuracy. |
| Advanced Lighting Control | Electric Power Steering (EPS) Support MCU |
Use Scenario: Dynamic LED matrix control with adaptive beam shaping and thermal monitoring. IC Role / Device Role / Timing Role: Real-time PWM generation (via TCPWM blocks) and synchronized ADC sampling for LED current/voltage feedback. Use Value: 102× 16-bit TCPWM timers with dead-time insertion and 12-bit SAR ADCs enable precise current regulation across 64+ LED strings. | Use Scenario: Secondary controller managing sensor fusion, torque assist calculation, and CAN FD communication with main EPS MCU. IC Role / Device Role / Timing Role: Safety-monitored co-processor running independent motor control loop with ASIL-B fault detection. Use Value: Cortex-M0+ core executes safety-critical monitoring independently, while SECDED ECC and PPU isolate faults from primary control path. |
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), 8 MB flash, no integrated Ethernet MAC, supports CAN FD (8 ch) and LIN (16 ch) | Lacks native Gigabit Ethernet and FlexRay; suited for gateway-lite or chassis control without time-sensitive networking | Select when Ethernet/AVB/PTP is not required and cost-sensitive BOM optimization is prioritized |
| Renesas RH850/U2A | 32-bit RXv3 core (400 MHz), 12 MB flash, 2.5 MB SRAM, supports CAN FD (12 ch), Ethernet (100 Mbps only), no FlexRay | Higher memory density but limited to 100 Mbps Ethernet; lacks hardware crypto acceleration for fast secure boot | Select for legacy RH850 ecosystem migration where 1 Gbps throughput and IEEE-1588 are non-critical |
Compared with S32K344 and RH850/U2A, CYT4BF8CDDQ0AESGST uniquely integrates dual M7 cores, dual Gigabit Ethernet MACs with RGMII, FlexRay, and full HSM cryptography-making it optimal for next-gen automotive gateways requiring ASIL-B, time-synchronized networking, and secure FOTA.
Availability
CYT4BF8CDDQ0AESGST is available at Aetrix Electronics and suitable for automotive body-control modules, zonal gateways, advanced lighting systems, and electric power steering support controllers requiring stable component supply and long-term lifecycle assurance.
Supply support for CYT4BF8CDDQ0AESGST 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 R&D infrastructure.
The TRAVEO™ T2G product line delivers high-performance, safety-certified microcontrollers for automotive domain controllers, emphasizing real-time determinism, hardware security, and multi-protocol connectivity (CAN FD, FlexRay, Gigabit Ethernet).
FAQ
What is the maximum operating frequency of the Cortex-M7 cores in CYT4BF8CDDQ0AESGST?
The dual Arm® Cortex®-M7 CPUs operate at up to 350 MHz each, verified by Infineon's characterization across temperature and voltage ranges. This frequency enables deterministic execution of complex control algorithms and real-time communication stacks without software throttling.
Does CYT4BF8CDDQ0AESGST support IEEE-1588 Precision Time Protocol?
Yes - both integrated Gigabit Ethernet MACs include full IEEE-1588 PTP hardware timestamping with sub-microsecond resolution, supporting one-step and two-step clock synchronization modes for time-sensitive networking in automotive gateways.
How many CAN FD channels does CYT4BF8CDDQ0AESGST support, and what is the maximum data rate?
CYT4BF8CDDQ0AESGST supports up to 10 CAN FD channels compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0, with physical-layer-limited data rates up to 8 Mbps - confirmed in Infineon's test reports and functional validation against transceiver specifications.
Is external memory encryption supported, and how is it implemented?
Yes - the external memory interface supports on-the-fly AES-128 encryption/decryption during read/write operations using keys stored in secure OTP eFuses. This enables Execute-In-Place (XIP) from encrypted HyperBus or SPI flash without exposing plaintext firmware to external memory buses.
CYT4BF8CDDQ0AESGST 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®-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:
CYT4BF8CDDQ0AESGST FAQ
1.How can I place an order for CYT4BF8CDDQ0AESGST through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BF8CDDQ0AESGST 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 CYT4BF8CDDQ0AESGST reliable?
The price and inventory of CYT4BF8CDDQ0AESGST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BF8CDDQ0AESGST is usually 5 days.
3.What payment methods are accepted for CYT4BF8CDDQ0AESGST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BF8CDDQ0AESGST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BF8CDDQ0AESGST?
CYT4BF8CDDQ0AESGST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BF8CDDQ0AESGST 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 CYT4BF8CDDQ0AESGST?
For technical support, including CYT4BF8CDDQ0AESGST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BF8CDDQ0AESGST requirements.
6.How does Aetrix verify that CYT4BF8CDDQ0AESGST is sourced from the original manufacturer or authorized distributors?
All CYT4BF8CDDQ0AESGST 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 CYT4BF8CDDQ0AESGST meets industry standards.
7.What is the process for return or replacement of CYT4BF8CDDQ0AESGST?
All CYT4BF8CDDQ0AESGST units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BF8CDDQ0AESGST, 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 CYT4BF8CDDQ0AESGST part is unused and in its original packaging.
Return procedure for CYT4BF8CDDQ0AESGST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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