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Renesas R7FA4M2AB3CNE#BA0
- Part No.:
- R7FA4M2AB3CNE#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FA4M2AB3CNE#BA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 256K/128
- Quantity:
- Payment:
- Shipping:
Inventory:4,082
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Product details
Overview
R7FA4M2AB3CNE#BA0 from Renesas is a 32-bit Arm Cortex-M33 microcontroller operating at up to 100 MHz, featuring 256 KB code flash, 8 KB data flash, and 128 KB SRAM with parity/ECC. It integrates USB 2.0 Full-Speed, QSPI, SDHI, dual 12-bit DACs, 12-bit ADC (up to 7 channels), CAN, and Secure Crypto Engine 9 with AES/RSA/ECC/SHA256 for secure industrial HMI and motor control applications.
For engineers reviewing the R7FA4M2AB3CNE#BA0 datasheet, R7FA4M2AB3CNE#BA0 pinout, R7FA4M2AB3CNE#BA0 application, or R7FA4M2AB3CNE#BA0 equivalent, key selection considerations include its 48-pin QFN package, -40°C to +105°C operation, TrustZone-enabled security partitioning, and support for BLDC motor control via GPT32/GPT16 timers and Hall sensor inputs.
Technical Context
The R7FA4M2AB3CNE#BA0 implements Armv8-M architecture with dual Systick timers (Secure/Non-secure), PMSAv8 MPU (8 regions each), and CoreSight ETM-M33 for trace. Its memory subsystem includes background operation-capable flash and parity-protected SRAM, enabling real-time firmware updates without halting execution.
Connectivity is centered on six SCI channels (UART/IIC/SPI/Manchester), two I2C interfaces, one SPI, one CAN 2.0B module, USBFS with internal transceiver, QSPI for external serial memory, and SDHI supporting SDHC/SDXC cards - all coordinated via Event Link Controller (ELC) for CPU-free peripheral chaining.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max; supports TrustZone and PMSAv8 MPU for hardware-isolated secure/non-secure execution. |
| Memory | 256 KB code flash (background operation), 8 KB data flash (100k P/E cycles), 128 KB SRAM with parity/ECC protection. |
| Analog Peripherals | 12-bit ADC12 (7 input channels), dual 12-bit DAC12 outputs, integrated temperature sensor (TSN) with linear voltage output. |
| Timers | GPT32 × 4 (32-bit PWM), GPT16 × 4 (16-bit PWM), AGT × 6 (low-power 16-bit), RTC with calendar mode (2000–2099) and VBATT backup. |
| Security | Secure Crypto Engine 9 (AES-128/256, RSA-2048/4096, ECC, SHA224/256), 128-bit unique ID, tamper detection on up to 3 pins. |
| Package & Temp | 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), industrial grade (-40°C to +105°C), 29 GPIO with 4× 5-V tolerant pins. |
| Power Supply | VCC = 2.7–3.6 V; includes battery backup (VBATT), LVD with three thresholds (LVD0/LVD1/LVD2), and multiple low-power modes. |
Pinout & Package
48-pin QFN package (PWQN0048KC-A), 7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad, RoHS-compliant Sn finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC/VSS pairs ensure stable core/analog power delivery; decoupling required per datasheet layout guidelines. |
| USB_DP / USB_DM | USB 2.0 FS differential pair | Integrated transceiver supports device/host mode; requires 27 Ω series resistors and 1.5 kΩ pull-up on DP for device enumeration. |
| QSPCLK / QIO0–QIO3 | QSPI clock and quad data lines | Enables high-speed x4 read/write to external serial flash; supports single/dual/quad I/O protocols with configurable timing. |
| AN0–AN6 | ADC12 analog inputs | 7-channel 12-bit SAR ADC with internal reference; supports temperature sensor and VREFH0/VREFL0 external references. |
| DA0 / DA1 | DAC12 analog outputs | Dual buffered 12-bit voltage outputs; rail-to-rail swing with programmable update timing and synchronous/asynchronous trigger options. |
| P000–P007, P100–P107, etc. | General-purpose I/O | 29 GPIO with configurable pull-up, open-drain, 5-V tolerance (4 pins), and peripheral function multiplexing via PMR registers. |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone partitioning | Hardware-enforced isolation of secure/non-secure code and data regions across flash, SRAM, and peripherals - critical for secure boot and key management. |
| Secure Crypto Engine 9 | Accelerates AES-128/256 encryption/decryption, RSA-2048/4096 signing/verification, and SHA256 hashing with dedicated key storage and tamper-resistant operation. |
| Capacitive Touch Sensing Unit (CTSU) | Supports up to 4 touch electrodes with self-capacitance measurement; enables robust, low-power HMI interfaces without external components. |
| Event Link Controller (ELC) | Direct hardware linking of 128+ event sources (e.g., timer overflow, ADC conversion complete) to 128+ destinations (e.g., DAC trigger, GPT start) - eliminates CPU polling overhead. |
| BLDC motor control support | GPT32 timers provide complementary PWM outputs (GTOUUP/GTOULO, etc.) with dead-time insertion and Hall sensor inputs (GTIU/GTIV/GTIW) for sensor-based commutation. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: A compact, tamper-resistant front-panel interface for PLCs and factory HMIs requiring capacitive touch buttons, real-time status display, and secure firmware updates. IC Role / Device Role / Timing Role: R7FA4M2AB3CNE#BA0 serves as main controller with CTSU for touch sensing, USBFS for configuration, and SCE9 for encrypted OTA updates. Use Value: Integrated TrustZone and SCE9 eliminate need for external secure element; 48-pin QFN enables small PCB footprint while maintaining 29 GPIO for display interface and sensor I/O. | Use Scenario: DIN-rail mounted electricity meter with pulse counting, tariff switching, and secure communication to utility backend via CAN or USB. IC Role / Device Role / Timing Role: R7FA4M2AB3CNE#BA0 acts as metering controller with ADC12 for current/voltage sampling, RTC for time-of-use billing, and CAN for fieldbus connectivity. Use Value: On-chip 128 KB SRAM with ECC ensures reliable data logging during power loss; CAN module complies with ISO 11898-1 and supports 32 mailboxes for multi-node network handling. |
| Brushless DC Motor Drive | Secure IoT Gateway Node |
Use Scenario: Low-cost, fan-cooled motor drive for HVAC blowers or industrial pumps requiring closed-loop speed control and overcurrent protection. IC Role / Device Role / Timing Role: R7FA4M2AB3CNE#BA0 executes FOC algorithms using GPT32 timers for 6-channel PWM generation and AGT for precise timing-critical interrupt latency. Use Value: Hall sensor inputs (GTIU/GTIV/GTIW) and complementary PWM outputs (GTOUUP/GTOULO, etc.) enable direct 3-phase gate driver interfacing without external logic. | Use Scenario: Edge node aggregating sensor data from Modbus/RS485 devices, encrypting payloads, and transmitting securely via USB or CAN to cloud gateway. IC Role / Device Role / Timing Role: R7FA4M2AB3CNE#BA0 functions as secure data concentrator with SCI UARTs for legacy protocol bridging and SCE9 for AES-GCM authenticated encryption. Use Value: Hardware-accelerated crypto reduces CPU load by >90% vs. software-only implementation; 128-bit unique ID enables device identity binding in PKI enrollment workflows. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M2AC3CNE | 384 KB code flash (vs. 256 KB), same 48-pin QFN package, identical peripheral set and security features. | Suitable for larger firmware images requiring more bootloader space or complex RTOS + application partitions. | Select when firmware size exceeds 256 KB but no additional peripherals or memory types are needed. |
| R7FA6M2AF3CFP | 100-pin LQFP, 1 MB flash, 256 KB SRAM, added Ethernet MAC and higher-speed USB HS; no SCE9 or TrustZone in RA6M2 series. | Targeted at networked industrial controllers needing wired connectivity and larger memory, not security-focused edge nodes. | Choose only if Ethernet or USB HS is mandatory; otherwise, R7FA4M2AB3CNE#BA0 offers better cost/performance/security balance for secure standalone nodes. |
Compared with R7FA4M2AC3CNE, the R7FA4M2AB3CNE#BA0 trades 128 KB flash for lower BOM cost and identical security/peripheral capability; versus R7FA6M2AF3CFP, it provides certified TrustZone and SCE9 at lower pin count and power, making it optimal for compact, secure embedded endpoints.
Availability
R7FA4M2AB3CNE#BA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, BLDC motor drives, and secure IoT gateway nodes requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA4M2AB3CNE#BA0 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
Renesas Electronics Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.
The RA4M2 group is designed for cost-sensitive, secure industrial and consumer applications requiring Arm TrustZone, hardware crypto acceleration, and rich analog/motor control peripherals in compact packages.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M2AB3CNE#BA0?
The R7FA4M2AB3CNE#BA0 features an Arm Cortex-M33 core operating at up to 100 MHz, implementing the Armv8-M architecture with security extensions including TrustZone and PMSAv8 Memory Protection Unit. This enables hardware-isolated secure and non-secure execution environments, essential for secure boot and cryptographic operations within the R7FA4M2AB3CNE#BA0.
Does the R7FA4M2AB3CNE#BA0 support USB device and host functionality?
Yes, the R7FA4M2AB3CNE#BA0 integrates a USB 2.0 Full-Speed module (USBFS) that supports both device and host controller operation. It includes an internal transceiver, supports full-speed and low-speed transfers (host only), and provides up to 10 configurable pipes with buffer memory - all fully implemented in the R7FA4M2AB3CNE#BA0 silicon without external PHY components.
What analog peripherals are included in the R7FA4M2AB3CNE#BA0?
The R7FA4M2AB3CNE#BA0 includes a 12-bit successive approximation ADC12 with up to 7 input channels, two 12-bit DAC12 outputs, and an on-die temperature sensor (TSN) with linear voltage output. These analog resources are directly accessible via dedicated pins (AN0–AN6, DA0/DA1, TSn) and support internal reference selection or external VREFH0/VREFL0 connections - all confirmed in the R7FA4M2AB3CNE#BA0 datasheet.
How does the Secure Crypto Engine 9 (SCE9) in the R7FA4M2AB3CNE#BA0 enhance security?
The SCE9 in the R7FA4M2AB3CNE#BA0 accelerates symmetric (AES-128/256), asymmetric (RSA-2048/4096, ECC), and hash (SHA224/256) operations with dedicated hardware, includes a 128-bit unique ID, tamper detection on up to three pins, and resistance to power analysis attacks. It operates in concert with Arm TrustZone to form a certified secure element - a core differentiator of the R7FA4M2AB3CNE#BA0 for secure firmware updates and key management.
What package type and pin count does the R7FA4M2AB3CNE#BA0 use?
The R7FA4M2AB3CNE#BA0 uses a 48-pin QFN package (PWQN0048KC-A), measuring 7 mm × 7 mm with 0.5 mm pitch and an exposed thermal pad. It provides 29 general-purpose I/O pins, 4 of which are 5-V tolerant, and supports industrial temperature range (-40°C to +105°C) - matching the exact mechanical and electrical specifications defined for this part number in Renesas documentation.
R7FA4M2AB3CNE#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- Series:
- RA4M2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 100MHz
- Connectivity:
- CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- AES, DMA, LVD, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 30
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 7x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M2AB3CNE#BA0 FAQ
1.How can I place an order for R7FA4M2AB3CNE#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AB3CNE#BA0 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 R7FA4M2AB3CNE#BA0 reliable?
The price and inventory of R7FA4M2AB3CNE#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AB3CNE#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AB3CNE#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AB3CNE#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AB3CNE#BA0?
R7FA4M2AB3CNE#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AB3CNE#BA0 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 R7FA4M2AB3CNE#BA0?
For technical support, including R7FA4M2AB3CNE#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AB3CNE#BA0 requirements.
6.How does Aetrix verify that R7FA4M2AB3CNE#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AB3CNE#BA0 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 R7FA4M2AB3CNE#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AB3CNE#BA0?
All R7FA4M2AB3CNE#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AB3CNE#BA0, 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 R7FA4M2AB3CNE#BA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AB3CNE#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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