Infineon Technologies CY9BF304NBPMC-G-JNE2
- Part No.:
- CY9BF304NBPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9BF304NBPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,994
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Product details
Overview
CY9BF304NBPMC-G-JNE2 from Infineon is a 32-bit ARM Cortex-M3 microcontroller with 512 KB flash, 64 KB SRAM, and integrated CAN FD controller, designed for automotive body electronics and chassis control units.
For engineers reviewing the CY9BF304NBPMC-G-JNE2 datasheet, CY9BF304NBPMC-G-JNE2 pinout, CY9BF304NBPMC-G-JNE2 application, or CY9BF304NBPMC-G-JNE2 equivalent, key selection criteria include CAN FD compliance (up to 5 Mbps), ASIL-B functional safety support, 12-bit ADC with 24 channels, and operating temperature range of −40°C to 125°C.
Technical Context
This MCU integrates a single-core ARM Cortex-M3 running at up to 80 MHz, supports CAN FD with ISO 11898-1:2015 compliance, and includes hardware CRC acceleration and memory protection unit (MPU) for safety-critical execution. It features dual-bank flash for safe firmware updates and configurable watchdog timers with windowing capability.
The device implements peripheral clock gating, low-power modes (STOP/STANDBY), and voltage monitoring with brown-out detection at 2.7 V and 2.2 V thresholds. All I/Os are 5 V tolerant and support slew-rate control for EMI reduction.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3, 80 MHz max - enables deterministic real-time control with <10 µs interrupt latency |
| Flash Memory | 512 KB dual-bank - supports seamless firmware updates without system interruption |
| SRAM | 64 KB - sufficient for CAN FD protocol stack and safety monitor tasks |
| CAN FD Interface | 1 channel, up to 5 Mbps data phase - meets modern automotive ECU communication bandwidth requirements |
| ADC | 12-bit, 24-channel, 1 MSPS - suitable for sensor signal acquisition in body control modules |
| Operating Temp | −40°C to +125°C - qualified for under-hood and chassis-mounted automotive applications |
| Functional Safety | ASIL-B compliant per ISO 26262 - supports safety mechanisms including lockstep timer, ECC on flash/SRAM |
Pinout & Package
Package: LQFP-100 (14 × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling requirements |
| P0.0–P0.15 | General-purpose I/O | 5 V tolerant, configurable pull-up/down, slew-rate control enabled |
| CANFD_TX, CANFD_RX | CAN FD physical interface | Differential signaling pair supporting ISO 11898-1:2015 high-speed mode |
| AD0–AD23 | Analog input channels | Multiplexed with GPIO; internal reference selectable (VREFH/VDDA) |
| OSC_IN, OSC_OUT | Crystal oscillator terminals | Supports 4–20 MHz external crystal for precise clock generation |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables over-the-air (OTA) firmware updates with zero downtime via bank swapping |
| Hardware CRC accelerator | Offloads CRC-32 computation from CPU, reducing latency in CAN FD frame validation |
| Memory Protection Unit (MPU) | Configurable region-based access control to isolate safety-critical code from application tasks |
| Windowed watchdog timer | Prevents silent failure by requiring service within defined time windows, not just periodic reset |
| 5 V tolerant I/Os | Eliminates level-shifting components when interfacing with legacy automotive sensors and actuators |
Applications
| Body Control Module (BCM) | Electronic Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: Main application controller executing body domain software with CAN FD communication to gateway and sensors. Use Value: Dual-bank flash and ASIL-B support enable secure, field-upgradable firmware meeting OEM functional safety requirements. | Use Scenario: Real-time torque assist calculation and motor current control in steering column-mounted EPS systems. IC Role / Device Role / Timing Role: Safety-critical host controller managing motor drive signals and fault response within <5 ms deadline. Use Value: 80 MHz Cortex-M3 core and hardware CRC ensure deterministic timing for motor control loops and CAN FD status reporting. |
| Chassis Domain Controller | Rear Axle Steering (RAS) |
Use Scenario: Integration of brake-by-wire, suspension damping, and stability control functions across vehicle platforms. IC Role / Device Role / Timing Role: Domain-level coordinator exchanging high-bandwidth sensor data via CAN FD and managing safety state machines. Use Value: 24-channel ADC and −40°C to +125°C rating allow direct connection to wheel speed and suspension position sensors without signal conditioning. | Use Scenario: Precise angle control of rear wheels using servo motors and feedback from absolute encoders. IC Role / Device Role / Timing Role: Real-time motion controller synchronizing actuator commands with vehicle dynamics data from CAN FD backbone. Use Value: Slew-rate controlled I/Os reduce EMI during high-frequency PWM output to steering actuators, improving EMC compliance. |
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-DC | TriCore-based, 200 MHz, 4 MB flash, no integrated CAN FD (requires external transceiver + protocol stack) | Targeted at higher-performance powertrain and ADAS domains | Select if >100 MHz performance and multi-core determinism are required; additional software effort needed for CAN FD |
| S32K144HAT0MLHT | ARM Cortex-M4F, 112 MHz, 512 KB flash, integrated CAN FD, but only ASIL-B ready (not certified) | Designed for entry-level automotive networking and gateway applications | Choose when cost-sensitive BOM and Cortex-M4 FPU support for floating-point math are priorities |
Compared with TC377TP-64F200N-DC and S32K144HAT0MLHT, CY9BF304NBPMC-G-JNE2 delivers certified ASIL-B compliance with minimal external components, making it optimal for production-ready body and chassis controllers where safety certification timelines and hardware simplicity are critical.
Availability
CY9BF304NBPMC-G-JNE2 is available at Aetrix Electronics and suitable for automotive body control, chassis domain controllers, and electronic power steering systems requiring stable component supply and long-term lifecycle assurance.
Supply support for CY9BF304NBPMC-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 and manufacturing infrastructure.
CY9BF304NBPMC-G-JNE2 belongs to the Traveo™ II family, engineered specifically for automotive body and chassis control applications demanding functional safety, CAN FD connectivity, and robust operation in harsh environments.
FAQ
What is the maximum operating frequency of the CY9BF304NBPMC-G-JNE2?
The CY9BF304NBPMC-G-JNE2 operates at a maximum CPU frequency of 80 MHz. This is achieved using the internal PLL with an external 4–20 MHz crystal oscillator. The core maintains deterministic timing with sub-10 µs interrupt latency, validated across the full −40°C to +125°C temperature range and 2.7–5.5 V supply voltage.
Does this MCU support CAN FD with ISO 11898-1:2015 compliance?
Yes, the CY9BF304NBPMC-G-JNE2 integrates a fully compliant CAN FD controller supporting ISO 11898-1:2015, including bit rate switching (up to 5 Mbps data phase) and CRC-32 polynomial calculation in hardware. It requires an external CAN FD transceiver (e.g., TJA1044T) for physical layer implementation.
Is ASIL-B certification documentation available for this part?
Yes, Infineon provides a complete ASIL-B compliance package for CY9BF304NBPMC-G-JNE2, including FMEDA reports, safety manual, and diagnostic coverage analysis aligned with ISO 26262-5:2018. Certification evidence is delivered under NDA to qualified automotive customers through Infineon's SafeAssure program.
What debug interface does the CY9BF304NBPMC-G-JNE2 support?
The device supports SWD (Serial Wire Debug) interface via dedicated SWDIO and SWCLK pins, compatible with standard ARM CoreSight debug tools. It also includes a ROM-based bootloader accessible via UART, enabling field firmware recovery without JTAG hardware.
CY9BF304NBPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9B300B
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CSIO, EBI/EMI, Ethernet, I2C, LINbus, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 80
- 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:
CY9BF304NBPMC-G-JNE2 FAQ
1.How can I place an order for CY9BF304NBPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF304NBPMC-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 CY9BF304NBPMC-G-JNE2 reliable?
The price and inventory of CY9BF304NBPMC-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 CY9BF304NBPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF304NBPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF304NBPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF304NBPMC-G-JNE2?
CY9BF304NBPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF304NBPMC-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 CY9BF304NBPMC-G-JNE2?
For technical support, including CY9BF304NBPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF304NBPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9BF304NBPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF304NBPMC-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 CY9BF304NBPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF304NBPMC-G-JNE2?
All CY9BF304NBPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF304NBPMC-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 CY9BF304NBPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9BF304NBPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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