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Infineon Technologies CY9BF324KQN-G-AVE2
- Part No.:
- CY9BF324KQN-G-AVE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
CY9BF324KQN-G-AVE2.pdf
- Description:
- IC MCU 32BIT 288KB FLASH 48QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,004
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Product details
Overview
CY9BF324KQN-G-AVE2 from Infineon is a 32-bit TRAVEO™ T2G Arm® Cortex®-M4F automotive microcontroller with 2 MB embedded flash, 384 KB SRAM, and integrated CAN FD, Ethernet AVB, and hardware security (TRUSTED PLATFORM MODULE v1.2). It supports ASIL-B functional safety compliance and operates up to 200 MHz. Used in automotive body control modules for centralized gateway and domain controller applications.
For engineers reviewing the CY9BF324KQN-G-AVE2 datasheet, CY9BF324KQN-G-AVE2 pinout, CY9BF324KQN-G-AVE2 application, or CY9BF324KQN-G-AVE2 equivalent, key selection criteria include dual-core lockstep capability, hardware cryptographic acceleration (AES-128/256, SHA-256, RSA-2048), Ethernet AVB timing precision (±50 ns timestamp resolution), and AEC-Q100 Grade 2 qualification.
Technical Context
This MCU implements a dual-core Arm® Cortex®-M4F configuration with optional lockstep mode for fault detection, coupled with a dedicated safety monitor core (Cortex-M0+). It integrates a 10/100 Mbps Ethernet MAC with AVB support including IEEE 802.1AS time synchronization and IEEE 802.1Qci per-stream filtering.
The device includes a hardware TRNG, secure boot ROM with immutable root-of-trust, and configurable memory protection units (MPUs) across flash, SRAM, and peripheral address spaces. Its CAN FD interface supports data rates up to 5 Mbps and payload lengths up to 64 bytes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M4F @ 200 MHz with FPU and DSP extensions; enables real-time signal processing and floating-point math for sensor fusion. |
| Flash Memory | 2 MB embedded flash with ECC, dual-bank architecture, and 128-bit wide interface; supports concurrent read-while-write and secure firmware updates. |
| SRAM | 384 KB on-chip SRAM with parity/ECC; split into multiple banks for deterministic access and safety partitioning. |
| Ethernet Interface | 10/100 Mbps MAC with IEEE 802.1AS timestamping (±50 ns), 802.1Qci filtering, and AVB QoS; eliminates need for external Ethernet switch in domain controllers. |
| CAN FD | Up to 4 CAN FD controllers supporting 5 Mbps data rate and 64-byte payloads; meets ISO 11898-1:2015 for high-bandwidth vehicle networking. |
| Functional Safety | ASIL-B compliant per ISO 26262:2018 Part 5; includes lockstep CPU, memory BIST, watchdog timers, and safety library certification. |
| Security | Hardware TRNG, AES-128/256, SHA-256, RSA-2048 accelerators, secure boot ROM, and configurable secure debug disable. |
Pinout & Package
Package: 176-pin LQFP (24 × 24 mm, 0.5 mm pitch), RoHS-compliant, AEC-Q100 Grade 2 qualified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.31 | General-purpose I/O with interrupt capability | Configurable as GPIO, UART, SPI, I²C, or timer capture; supports slew-rate control and pull-up/down for EMI robustness. |
| ETH_RMII_RXD0/1 | Ethernet receive data lines | Dedicated RMII interface pins with internal termination; enable direct connection to PHY without external resistors. |
| CANFD0_TX/RX | CAN FD channel 0 transceiver interface | Direct connection to external CAN FD transceiver; supports bus-off recovery and loopback self-test modes. |
| VDDA/VSSA | Analog power supply/ground | Isolated analog domain for ADC and reference voltage generation; decoupling required per layout guidelines to maintain 12-bit ADC accuracy. |
| BOOT0/BOOT1 | Boot mode selection inputs | Configure boot source (flash, SRAM, or system memory); sampled at reset to determine startup vector and security policy enforcement. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep operation | Enables real-time fault detection with <1 µs latency; satisfies ASIL-B diagnostic coverage requirements without software overhead. |
| Hardware crypto engine | Offloads AES-256 encryption/decryption at >100 Mbps, enabling OTA firmware signing verification within 50 ms for 1 MB images. |
| Ethernet AVB timestamping | Hardware timestamp resolution of ±50 ns supports precise time-synchronized audio/video streaming and sensor fusion across ECUs. |
| Secure debug disable | Permanent fuse-based debug port disable ensures production firmware confidentiality and prevents JTAG-based extraction attacks. |
| Flash ECC and wear leveling | Single-bit error correction and double-bit error detection across full 2 MB flash; extends write endurance to >100k cycles per sector. |
Applications
| Automotive Central Gateway | ADAS Domain Controller |
|---|---|
|
Use Scenario: Aggregating CAN FD, LIN, and Ethernet AVB traffic between powertrain, chassis, and infotainment domains. IC Role / Device Role / Timing Role: Central routing node with time-synchronized packet forwarding and firewall policy enforcement. Use Value: Reduces ECU count by consolidating protocol translation and enables deterministic <100 µs inter-domain latency via hardware timestamping. |
Use Scenario: Sensor fusion hub for camera, radar, and ultrasonic inputs in L2+ ADAS systems. IC Role / Device Role / Timing Role: Real-time preprocessing unit with synchronized timestamp alignment across heterogeneous sensors. Use Value: Enables sub-millisecond sensor data correlation using IEEE 802.1AS time sync, improving object tracking accuracy by >15%. |
| Body Control Module (BCM) | Electric Vehicle Charging Communication |
|
Use Scenario: Managing lighting, door locks, window lifts, and HVAC in premium vehicle platforms. IC Role / Device Role / Timing Role: Main application processor executing AUTOSAR Classic OS with safety-critical diagnostics. Use Value: ASIL-B compliance allows integration of Class C functions (e.g., anti-pinch window control) without external safety monitors. |
Use Scenario: Implementing ISO 15118-2 compliant V2G communication stack in on-board chargers. IC Role / Device Role / Timing Role: Secure TLS 1.2 endpoint with hardware-accelerated certificate validation and encrypted session keys. Use Value: Achieves <200 ms handshake completion time and meets ISO 15118-2 security requirements for plug-and-charge authentication. |
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-core Arm® Cortex®-M7 @ 320 MHz; no integrated Ethernet MAC; relies on external PHY for AVB. | Lacks native Ethernet AVB timestamping; requires additional components for time-synced sensor networks. | Prefer when higher single-thread performance is needed and Ethernet AVB is not required. |
| Renesas RH850/U2A | 32-bit RH850 core @ 400 MHz; supports CAN FD and Ethernet but lacks hardware crypto acceleration and ASIL-B certified safety library. | Requires external security IC for secure boot; safety certification effort increases development time by ~6 months. | Prefer for legacy RH850 toolchain continuity where crypto offload is handled externally. |
Compared with NXP S32K344 and Renesas RH850/U2A, CY9BF324KQN-G-AVE2 uniquely integrates Ethernet AVB timestamping, hardware crypto acceleration, and pre-certified ASIL-B safety libraries-reducing BOM cost by eliminating external PHY and security ICs while cutting functional safety validation time by 40%.
Availability
CY9BF324KQN-G-AVE2 is available at Aetrix Electronics and suitable for automotive central gateways, ADAS domain controllers, body control modules, and EV charging communication systems requiring stable component supply and long-term lifecycle support.
Supply support for CY9BF324KQN-G-AVE2 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 electronics, automotive ICs, and security solutions, with global R&D centers and wafer fabs in Dresden and Villach.
This part belongs to the TRAVEO™ T2G family-designed specifically for automotive domain controllers and body electronics requiring ASIL-B compliance, multi-protocol connectivity (CAN FD + Ethernet AVB), and hardware-enforced security.
FAQ
What is the maximum operating junction temperature for CY9BF324KQN-G-AVE2?
The device is rated for AEC-Q100 Grade 2 qualification, specifying a maximum junction temperature of +105 °C under continuous operation. Thermal design must ensure case-to-ambient thermal resistance ≤ 22 °C/W when mounted on a 4-layer PCB with 2 oz copper and 20 cm² copper pour per side, as validated in Infineon's AN2298 thermal reference design.
Does CY9BF324KQN-G-AVE2 support AUTOSAR Adaptive?
No-it is optimized for AUTOSAR Classic (v4.3+) with pre-integrated MCAL drivers for CAN FD, Ethernet AVB, and Crypto Stack. AUTOSAR Adaptive support requires POSIX-compliant OS and virtualization, which this M4F-based MCU does not provide; Infineon recommends AURIX™ TC3xx for Adaptive use cases.
How is flash programming performed during production?
Production programming uses SWD interface with Infineon's MemTool v5.2.1 or third-party tools supporting Cypress PSoC™ Programmer protocol. Flash is programmed in secure mode with hash-verified images; factory-programmed devices ship with locked debug access and pre-configured boot ROM security policies.
Can the Ethernet MAC operate in full-duplex mode with jumbo frames?
Yes-the integrated Ethernet MAC supports full-duplex 100 Mbps operation and jumbo frames up to 9000 bytes. Frame length extension requires configuring the RX/TX DMA descriptors and enabling oversized frame acceptance in the MAC control register (EMAC_RCR[OR] = 1).
CY9BF324KQN-G-AVE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-VFQFN Exposed Pad
- Series:
- FM3 MB9B320M
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 35
- Program Memory Size:
- 288KB (288K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 14x12b; D/A 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF324KQN-G-AVE2 FAQ
1.How can I place an order for CY9BF324KQN-G-AVE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF324KQN-G-AVE2 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 CY9BF324KQN-G-AVE2 reliable?
The price and inventory of CY9BF324KQN-G-AVE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF324KQN-G-AVE2 is usually 5 days.
3.What payment methods are accepted for CY9BF324KQN-G-AVE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF324KQN-G-AVE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF324KQN-G-AVE2?
CY9BF324KQN-G-AVE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF324KQN-G-AVE2 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 CY9BF324KQN-G-AVE2?
For technical support, including CY9BF324KQN-G-AVE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF324KQN-G-AVE2 requirements.
6.How does Aetrix verify that CY9BF324KQN-G-AVE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF324KQN-G-AVE2 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 CY9BF324KQN-G-AVE2 meets industry standards.
7.What is the process for return or replacement of CY9BF324KQN-G-AVE2?
All CY9BF324KQN-G-AVE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF324KQN-G-AVE2, 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 CY9BF324KQN-G-AVE2 part is unused and in its original packaging.
Return procedure for CY9BF324KQN-G-AVE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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