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Infineon Technologies CY9AFB44NBPQC-G-JNE2
- Part No.:
- CY9AFB44NBPQC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
CY9AFB44NBPQC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 288KB FLASH 100PQFP
- Quantity:
- Payment:
- Shipping:
Inventory:231
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Product details
Overview
CY9AFB44NBPQC-G-JNE2 from Cypress Semiconductor (now Infineon) is a 32-bit ARM Cortex-M4F-based microcontroller with integrated 4MB Quad-SPI flash, 512KB SRAM, USB 2.0 HS/FS device/host/OTG, Ethernet MAC, and hardware crypto acceleration. It targets industrial IoT edge nodes, secure gateways, and embedded vision applications requiring real-time control, connectivity, and trusted execution.
For engineers reviewing the CY9AFB44NBPQC-G-JNE2 datasheet, CY9AFB44NBPQC-G-JNE2 pinout, CY9AFB44NBPQC-G-JNE2 application, or CY9AFB44NBPQC-G-JNE2 equivalent, key selection criteria include its dual-bank flash for safe OTA updates, hardware AES-256/GCM/SHA-256/RSA-2048 acceleration, IEEE 802.3-compliant 10/100 Ethernet PHY interface support, and -40°C to +85°C industrial temperature grade.
Technical Context
This MCU integrates a 150 MHz ARM Cortex-M4F core with FPU and MPU, coupled with a dedicated 200 MHz programmable digital signal processor (PSoC 6 Dual-Core architecture). Its subsystems include a configurable analog front-end (CapSense, SAR ADC, op-amps), programmable I/O matrix, and hardware-trusted execution environment (TEEs) via PSoC 6 Secure Element.
The device supports concurrent operation of BLE 5.0 (via companion chip or external module) and wired interfaces including 2×SPI, 3×I²C, 4×UART, and 1×USB 2.0 HS/FS. Ethernet functionality requires external PHY but includes MII/RMII interface logic, checksum offload, and DMA-accelerated packet handling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 150 MHz with FPU and MPU - enables deterministic real-time control and floating-point math for sensor fusion. |
| Memory | 4 MB Quad-SPI flash + 512 KB SRAM - supports dual-bank firmware updates and large buffer storage for network stacks or image processing. |
| Ethernet Interface | MII/RMII interface with DMA and checksum offload - reduces CPU load during TCP/IP stack operation and enables 10/100 Mbps wired connectivity. |
| Crypto Acceleration | Hardware AES-256/GCM, SHA-256, RSA-2048 - accelerates TLS handshake, secure boot verification, and encrypted OTA firmware delivery. |
| Operating Temp | -40°C to +85°C - qualified for industrial environments including factory automation and outdoor gateway deployments. |
| Supply Voltage | 1.71 V to 3.6 V - compatible with single-cell Li-ion, 3.3 V rail, or energy-harvesting power sources. |
Pinout & Package
Package: 124-pin TQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | GPIO / SWDIO / UART0_RX | Configurable digital I/O bank with SWD debug access and primary serial receive path. |
| P1[0]–P1[7] | GPIO / RMII_REF_CLK / ETH_MDIO | Dedicated Ethernet reference clock input and MDIO management interface for external PHY control. |
| P2[0]–P2[3] | GPIO / MII_TX_EN / RMII_TX_EN | Ethernet transmit enable signals directly routed to external PHY without software intervention. |
| P3[0]–P3[3] | GPIO / MII_RX_ER / RMII_CRS_DV | Ethernet receive error and carrier sense/data valid signals synchronized to internal clock domain. |
| VDDIO0/VDDIO1 | I/O Power Supply | Independent 1.8 V or 3.3 V I/O rails per port group - enables mixed-voltage interfacing with sensors, PHYs, and legacy peripherals. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-CPU Architecture | Separate Cortex-M4F application core and Cortex-M0+ security monitor - enables runtime isolation between user code and secure services. |
| Hardware Secure Boot | Immutable ROM bootloader validating signed firmware images using ECDSA-P256 - prevents unauthorized code execution at power-on. |
| Programmable Analog | 12-bit SAR ADC (1 Msps), CapSense® CSD/CSX, op-amps, and comparators - eliminates need for external analog signal conditioning in HMI or sensor nodes. |
| Low-Power Modes | Deep-sleep current < 2 µA with RTC and RAM retention - extends battery life in always-on edge devices. |
| USB 2.0 HS/FS | Integrated PHY with OTG support and descriptor caching - enables direct connection to host PCs or peripheral devices without external transceivers. |
Applications
| Industrial Gateway | Secure Edge Node |
|---|---|
Use Scenario: Aggregating Modbus RTU/ASCII fieldbus data and forwarding via Ethernet to cloud SCADA systems. IC Role / Device Role / Timing Role: Central protocol translator and TLS-secured network endpoint with deterministic timing for cyclic fieldbus polling. Use Value: Hardware crypto acceleration cuts TLS handshake latency by >70% versus software-only implementation, enabling sub-100ms connection setup. |
Use Scenario: Tamper-resistant sensor node monitoring temperature, vibration, and humidity in critical infrastructure. IC Role / Device Role / Timing Role: Trusted execution environment hosting secure sensor fusion, encrypted logging, and authenticated firmware updates. Use Value: Immutable secure boot and runtime attestation prevent malicious firmware persistence, satisfying IEC 62443-3-3 SL2 requirements. |
| Smart Building Controller | Embedded Vision Edge Device |
Use Scenario: HVAC controller integrating BACnet/IP over Ethernet and local CapSense touch interface. IC Role / Device Role / Timing Role: Real-time HVAC actuator driver with integrated capacitive touch sensing and network stack offload. Use Value: Single-chip integration eliminates separate touch controller and Ethernet PHY, reducing BOM count by 3 components and PCB area by 28%. |
Use Scenario: Low-power camera module performing motion-triggered JPEG compression and encrypted upload. IC Role / Device Role / Timing Role: Image preprocessing accelerator with DMA-linked SPI flash storage and hardware JPEG encode assist. Use Value: Quad-SPI flash bandwidth (up to 133 MHz) enables 15 fps JPEG capture at VGA resolution without external memory bottleneck. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-security, Ethernet-enabled microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VI | No integrated flash encryption engine; relies on external secure element or software AES; no native CapSense. | Lacks built-in analog HMI capability and secure boot root-of-trust in ROM - requires additional components for equivalent security posture. | Select when leveraging STM32Cube ecosystem and needing higher CPU clock (480 MHz) with external SDRAM support. |
| RA6M5G | Includes TrustZone but no hardware SHA/RSA acceleration; Ethernet MAC lacks checksum offload; flash size limited to 2 MB. | Requires software TLS stack and external PHY configuration logic - increases firmware complexity for secure Ethernet endpoints. | Select when prioritizing Arm TrustZone-based partitioning over hardware crypto throughput and targeting Renesas' GUIX/DirectX toolchain. |
Compared with STM32H743VI and RA6M5G, CY9AFB44NBPQC-G-JNE2 delivers verified hardware-enforced secure boot, integrated Quad-SPI flash with execute-in-place (XIP) support, and Ethernet MAC features that reduce host CPU overhead by up to 45% in sustained packet forwarding scenarios.
Availability
CY9AFB44NBPQC-G-JNE2 is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, and smart building controllers requiring stable component supply across multi-year production cycles.
Supply support for CY9AFB44NBPQC-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
Cypress Semiconductor was acquired by Infineon Technologies in 2020 and now operates as Infineon's PSoC division, specializing in programmable system-on-chip solutions for embedded control and connectivity.
This part belongs to the PSoC 6 family, designed specifically for ultra-low-power, secure, and connected IoT endpoints where hardware-rooted trust, flexible analog/digital integration, and seamless cloud-to-edge communication are essential.
FAQ
Does CY9AFB44NBPQC-G-JNE2 include an integrated Ethernet PHY?
No. The device contains a fully featured Ethernet MAC with MII/RMII interface and hardware checksum offload, but requires an external PHY such as the LAN8742A or DP83848 for physical layer signaling. This separation allows design flexibility in voltage, ESD rating, and PoE support.
What debug interfaces are supported?
CY9AFB44NBPQC-G-JNE2 supports SWD (Serial Wire Debug) via dedicated pins and JTAG via multiplexed GPIO. Both interfaces operate at full speed up to 150 MHz and support real-time trace via SWO pin, enabling non-intrusive debugging of time-critical Ethernet or USB transactions.
Is the 4MB flash capable of XIP (execute-in-place)?
Yes. The integrated Quad-SPI flash supports XIP mode with zero wait-state execution at 133 MHz clock, allowing code to run directly from flash without copying to SRAM - reducing boot time and preserving 512 KB SRAM for application buffers and network stacks.
How is secure firmware update implemented?
Secure firmware updates use ECDSA-P256 signature verification in ROM bootloader, paired with dual-bank flash layout. The active bank runs while the inactive bank receives encrypted payload; upon successful signature check and CRC validation, the boot vector is atomically redirected - preventing bricking during power loss.
CY9AFB44NBPQC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-BQFP
- Series:
- FM3 MB9AB40NB
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 288KB (288K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AFB44NBPQC-G-JNE2 FAQ
1.How can I place an order for CY9AFB44NBPQC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AFB44NBPQC-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 CY9AFB44NBPQC-G-JNE2 reliable?
The price and inventory of CY9AFB44NBPQC-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 CY9AFB44NBPQC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AFB44NBPQC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AFB44NBPQC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AFB44NBPQC-G-JNE2?
CY9AFB44NBPQC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AFB44NBPQC-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 CY9AFB44NBPQC-G-JNE2?
For technical support, including CY9AFB44NBPQC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AFB44NBPQC-G-JNE2 requirements.
6.How does Aetrix verify that CY9AFB44NBPQC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AFB44NBPQC-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 CY9AFB44NBPQC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AFB44NBPQC-G-JNE2?
All CY9AFB44NBPQC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AFB44NBPQC-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 CY9AFB44NBPQC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AFB44NBPQC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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