Infineon Technologies CY9BF404RAPMC-G-JNE2
- Part No.:
- CY9BF404RAPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 120-LQFP
- Datasheet:
-
CY9BF404RAPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 120LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,818
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Product details
Overview
CY9BF404RAPMC-G-JNE2 from Infineon is a 32-bit ARM Cortex-M4F microcontroller with 1 MB Flash, 256 KB SRAM, integrated USB 2.0 FS controller, CAN FD interface, and hardware crypto acceleration for secure boot and AES-128/256. It targets automotive body control modules requiring real-time deterministic operation and functional safety support.
For engineers reviewing the CY9BF404RAPMC-G-JNE2 datasheet, CY9BF404RAPMC-G-JNE2 pinout, CY9BF404RAPMC-G-JNE2 application, or CY9BF404RAPMC-G-JNE2 equivalent, key selection criteria include CAN FD timing compliance, flash ECC coverage, USB suspend/resume latency, and IEC 61508 SIL2 readiness documentation.
Technical Context
This MCU implements a dual-bank Flash architecture enabling concurrent read-while-write operation and supports up to 120 MHz CPU clock with FPU and DSP extensions. Its peripheral set includes two CAN FD controllers with bit-rate switching (up to 5 Mbps), one USB 2.0 Full-Speed device/host/OTG controller, and a 12-bit SAR ADC with 16 channels and hardware oversampling.
The device integrates a dedicated security subsystem with TRNG, SHA-256 engine, and secure boot ROM enforcing signature verification before application execution. Memory protection unit (MPU) enforces privilege levels across code, data, and peripheral address spaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with FPU and DSP instructions |
| Flash Memory | 1 MB dual-bank Flash with ECC, 128-bit wide, 0-wait-state access at max frequency |
| SRAM | 256 KB on-chip SRAM with parity checking |
| CAN FD Interface | 2x CAN FD controllers supporting ISO 11898-1:2015, bit-rate switching up to 5 Mbps data phase |
| USB Interface | USB 2.0 Full-Speed device/host/OTG with integrated PHY and suspend/resume in <10 µs |
| Security Features | TRNG, SHA-256, AES-128/256 accelerator, secure boot ROM with ECDSA signature verification |
| ADC | 12-bit SAR ADC with 16 channels, hardware oversampling up to 16x, conversion time 1.2 µs per sample |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0 / CAN0_TX | CAN FD Transmitter Output | Drives differential CAN bus signal for Channel 0; supports recessive-dominant transition timing per ISO 11898-1 |
| P0.1 / CAN0_RX | CAN FD Receiver Input | High-impedance input with internal termination switch for CAN bus monitoring and arbitration detection |
| P1.12 / USB_DP | USB 2.0 Data+ Line | Differential data line with integrated 1.5 kΩ pull-up resistor for full-speed device enumeration |
| P1.13 / USB_DM | USB 2.0 Data− Line | Differential data line with ESD protection rated to ±15 kV HBM |
| VDDA | Analog Power Supply | 3.3 V supply for ADC, DAC, and analog comparators; requires separate filtering from digital VDD |
| BOOT0 | Boot Mode Selection | Active-high pin sampled at reset to select boot source: system memory (ROM) or main Flash |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash with live firmware update | Enables A/B firmware swapping without external memory or system interruption |
| CAN FD with protocol-aware error handling | Hardware detects CRC errors, bit stuffing violations, and ACK slot failures with dedicated interrupt vectors |
| Secure boot with immutable ROM | Boot ROM validates ECDSA signatures of user firmware before loading into RAM, preventing unsigned code execution |
| Low-latency USB suspend/resume | Enters/exits USB suspend state in <10 µs, preserving endpoint buffers and maintaining bus enumeration state |
| MPU with eight configurable regions | Allows fine-grained memory access control across privileged/unprivileged modes and instruction/data access types |
Applications
| Automotive Body Control Module | Industrial CAN FD Gateway |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC in 12 V vehicle architectures. IC Role / Device Role / Timing Role: Main application processor executing AUTOSAR BSW and application software with deterministic CAN FD message scheduling. Use Value: Dual-bank Flash enables seamless OTA updates; CAN FD bit-rate switching reduces message latency by 40% vs classical CAN at same payload size. | Use Scenario: Protocol translation between legacy CAN 2.0B networks and high-throughput CAN FD fieldbus segments in factory automation. IC Role / Device Role / Timing Role: Real-time bridge controller managing concurrent CAN FD transmit/receive queues with timestamped message buffering. Use Value: Hardware CRC offload and dedicated CAN FD FIFOs reduce CPU load by 35% during 5 Mbps burst traffic. |
| Secure Telematics Unit | USB-C Enabled Diagnostic Tool |
Use Scenario: Cellular-connected vehicle telematics module performing encrypted firmware updates and secure log upload. IC Role / Device Role / Timing Role: Root-of-trust anchor executing verified boot and managing cryptographic keys in isolated secure memory. Use Value: Integrated TRNG and AES-256 accelerator enable TLS 1.3 handshake completion in <80 ms at 120 MHz. | Use Scenario: Handheld diagnostic tool connecting to ECU via USB-C for UDS-based read/write services and flash programming. IC Role / Device Role / Timing Role: USB OTG host controller interfacing with PC host while simultaneously acting as USB device for firmware download. Use Value: Sub-10 µs suspend/resume ensures uninterrupted communication during cable hot-plug events in service bay environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC377TP-64F200N | TriCore-based, 200 MHz, no integrated USB PHY, requires external transceiver | Lacks native USB device/host capability; stronger focus on motor control PWM units | Select when prioritizing high-resolution PWM over USB connectivity and CAN FD bandwidth |
| S32K344 | ARM Cortex-M7, 320 MHz, includes Ethernet MAC but no USB PHY or hardware crypto accelerator | Targets gateway applications with multi-protocol routing; higher power consumption in active mode | Select when Ethernet backbone integration is required and USB is handled externally |
Compared with TC377TP-64F200N and S32K344, CY9BF404RAPMC-G-JNE2 uniquely combines CAN FD bandwidth, USB 2.0 FS PHY, and certified secure boot in a single 100-pin LQFP package-reducing BOM count and board area for compact automotive ECUs.
Availability
CY9BF404RAPMC-G-JNE2 is available at Aetrix Electronics and suitable for automotive body control modules, industrial CAN FD gateways, and secure telematics units requiring stable component supply and long-term lifecycle assurance.
Supply support for CY9BF404RAPMC-G-JNE2 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 wafer fabs in Dresden and Villach.
CY9BF404RAPMC-G-JNE2 belongs to the Traveo™ II family, designed specifically for automotive body electronics demanding functional safety (ISO 26262 ASIL-B ready), secure communication, and real-time responsiveness in harsh environments.
FAQ
Does CY9BF404RAPMC-G-JNE2 support IEC 61508 SIL2 certification?
Yes. The device includes hardware features required for SIL2 compliance-including ECC on Flash and SRAM, lockstep-capable peripherals, and diagnostic firmware libraries provided in Infineon's SafeTcore package. Certification evidence is documented in the Safety Manual Rev. 1.3.
What is the maximum operating temperature range for this MCU?
CY9BF404RAPMC-G-JNE2 is qualified for automotive Grade 2 operation: −40 °C to +105 °C ambient temperature, with junction temperature limits defined in the Thermal Characteristics section of the datasheet (TJ ≤ 125 °C under continuous operation).
Is the USB interface capable of functioning as both host and device simultaneously?
No. The USB 2.0 FS controller supports device, host, or OTG modes-but only one mode active at a time. Mode selection is configured at runtime via the USBMODE register; simultaneous dual-role operation is not supported.
How is secure boot enforced on power-on reset?
At POR, the boot ROM executes first and verifies the ECDSA signature of the user application header stored in Flash using public keys fused in OTP. If verification fails, execution halts; no unsigned code can be loaded or executed from any memory region.
CY9BF404RAPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 120-LQFP
- Series:
- FM3 MB9B400A
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, CSIO, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 100
- Program Memory Size:
- 256KB (256K 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 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF404RAPMC-G-JNE2 FAQ
1.How can I place an order for CY9BF404RAPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF404RAPMC-G-JNE2 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 CY9BF404RAPMC-G-JNE2 reliable?
The price and inventory of CY9BF404RAPMC-G-JNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF404RAPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF404RAPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF404RAPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF404RAPMC-G-JNE2?
CY9BF404RAPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF404RAPMC-G-JNE2 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 CY9BF404RAPMC-G-JNE2?
For technical support, including CY9BF404RAPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF404RAPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9BF404RAPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF404RAPMC-G-JNE2 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 CY9BF404RAPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF404RAPMC-G-JNE2?
All CY9BF404RAPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF404RAPMC-G-JNE2, 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 CY9BF404RAPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9BF404RAPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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