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Renesas R7FA6M2AD3CFP#BA0
- Part No.:
- R7FA6M2AD3CFP#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6M2AD3CFP#BA0.pdf
- Description:
- MCU RA6 ARM CM4 120MHZ 512K/384K
- Quantity:
- Payment:
- Shipping:
Inventory:4,947
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Product details
Overview
R7FA6M2AD3CFP#BA0 from Renesas Electronics is a 32-bit Arm Cortex-M4 microcontroller with FPU, operating at up to 120 MHz, featuring 512 KB code flash, 32 KB data flash, and 384 KB SRAM. It integrates Ethernet MAC (ETHERC), dual CAN, USB 2.0 Full-Speed with on-chip transceiver, QSPI, dual SDHI, and security engine SCE7 for AES/SHA/RSA/TRNG. Designed for industrial IoT gateways requiring real-time connectivity, secure firmware updates, and deterministic control.
For engineers reviewing the R7FA6M2AD3CFP#BA0 datasheet, R7FA6M2AD3CFP#BA0 pinout, R7FA6M2AD3CFP#BA0 application, or R7FA6M2AD3CFP#BA0 equivalent, key selection criteria include its 100-pin LQFP package, -40°C to +105°C operating range, dual CAN 2.0B support, hardware-accelerated cryptography, and integrated Ethernet MAC with DMA offload - all critical for edge node controllers in harsh environments.
Technical Context
The R7FA6M2AD3CFP#BA0 implements an Armv7E-M core with DSP extensions and single-precision FPU, enabling efficient signal processing and motor control algorithms. Its memory subsystem includes ECC-protected SRAM (32 KB), parity-checked SRAM (352 KB), and Memory Mirror Function (MMF) for flexible firmware image relocation without linker changes.
Peripherals are tightly coupled via the Event Link Controller (ELC), allowing autonomous trigger chaining between timers, ADCs, and communication modules without CPU intervention. The dual-channel SDHI supports SDXC/eMMC 4.51, while ETHERC and EDMAC enable zero-copy Ethernet frame handling - essential for time-sensitive industrial protocols like EtherCAT or PROFINET over TCP/IP stacks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables real-time floating-point math for sensor fusion and predictive maintenance algorithms. |
| Flash Memory | 512 KB code flash + 32 KB data flash - supports dual-bank firmware updates and parameter storage with 125k erase/write cycles. |
| SRAM | 384 KB total (32 KB ECC + 352 KB parity) - ensures data integrity in safety-critical control loops and network buffers. |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) - provides compact footprint with 75 I/O pins, 14 of which are 5 V tolerant for mixed-voltage interfacing. |
| Operating Temp | -40°C to +105°C - qualified for under-hood automotive ECUs, factory-floor PLCs, and outdoor telecom infrastructure. |
| Connectivity | Ethernet MAC (ETHERC), 2× CAN 2.0B, USBFS, 2× SDHI, QSPI, 3× I²C, 2× SPI, 10× SCI - enables multi-protocol edge gateway functionality in a single chip. |
| Analog | 2× 12-bit ADC (13+9 channels), 2× 12-bit DAC, 6× ACMPHS, TSN - supports closed-loop analog sensing, actuator control, and thermal monitoring without external components. |
| Security | SCE7 crypto engine with AES-128/192/256, SHA256, RSA/ECC, TRNG, 128-bit UID - delivers root-of-trust for secure boot, OTA updates, and TLS 1.2/1.3 handshake acceleration. |
Pinout & Package
100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, RoHS-compliant Sn termination. Pin functions validated per Renesas R01DS0357EJ0120 datasheet Section 1.5 (Pages 12–22).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Digital power supply / Ground | Decoupled with 0.1 µF capacitors per VCC pin; supports 2.7–3.6 V operation with LVD monitoring. |
| XTAL / EXTAL | Main clock oscillator interface | Drives 8–24 MHz crystal; enables precise timing for Ethernet PHY synchronization and USB frame generation. |
| MD | Mode configuration input | Defines boot source (SCI/USB) at reset - critical for field firmware recovery via UART or USB CDC. |
| RES | Active-low reset input | Accepts external reset assertion; triggers full system initialization including MPU, clocks, and peripheral registers. |
| ETH_MDC / ETH_MDIO | PHY management interface | Configures external Ethernet PHY (e.g., LAN8742A) via IEEE 802.3 clause 22 MDIO bus. |
| ETH_TXD0–3 / ETH_RXD0–3 | Ethernet data lanes | 4-bit transmit/receive paths for MII interface - connects directly to PHY without glue logic. |
| USB_VBUS / USB_DP / USB_DM | USB 2.0 FS physical layer | On-chip transceiver eliminates need for external USB PHY; VBUS detection enables host/device role negotiation. |
| SD0_CMD / SD0_CLK / SD0_DAT0–3 | SD/MMC Host Interface 0 | Supports 4-bit SDHC/SDXC cards and eMMC 4.51 devices - used for local firmware storage and log buffering. |
| CAN0_TX / CAN0_RX | Controller Area Network channel 0 | Differential signaling compliant with ISO 11898-1; supports 1 Mbps baud rate for automotive body control networks. |
| QSPI_IO0–3 / QSPI_CLK / QSPI_CS | Quad SPI memory interface | Direct connection to serial NOR flash (e.g., Winbond W25Q80) for XIP execution and fast code loading. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables runtime relocation of application image from flash load address to link address - simplifies OTA update deployment without linker script modification. |
| Event Link Controller (ELC) | Allows hardware-triggered peripheral chaining (e.g., GPT overflow → ADC start → DMA transfer) - eliminates CPU polling and reduces interrupt latency by >90%. |
| Secure Crypto Engine 7 (SCE7) | Accelerates AES-GCM encryption/decryption at >20 MB/s - enables real-time encrypted telemetry streaming over TLS without degrading RTOS task scheduling. |
| Capacitive Touch Sensing Unit (CTSU) | 18-channel touch sensing with noise immunity - supports robust HMI implementation on metal-front panels without dedicated touch controller IC. |
| Sampling Rate Converter (SRC) | Hardware audio resampling (up/down) for I²S streams - offloads CPU during voice assistant or industrial audio analytics use cases. |
| Parallel Data Capture (PDC) | Direct capture of 8-/16-bit parallel video/audio data into SRAM via DMAC - enables low-latency image preprocessing for vision-based quality inspection. |
Applications
| Industrial Gateway | Smart Energy Meter |
|---|---|
Use Scenario: Aggregating Modbus RTU, CANopen, and BACnet MS/TP fieldbus data into MQTT/HTTP payloads for cloud upload via Ethernet or cellular modem. IC Role / Device Role / Timing Role: Central protocol translator and secure edge processor - handles concurrent TCP/IP stack, TLS 1.2 handshakes, and deterministic fieldbus timing using GPT32 timers and ELC-triggered CAN message scheduling. Use Value: Eliminates need for external FPGA or companion MCU; 512 KB flash stores multiple protocol stacks and firmware images; SCE7 accelerates certificate validation and encrypted payload generation. | Use Scenario: High-accuracy electricity metering with harmonic analysis, tamper detection, and remote firmware updates over power-line communication (PLC) or NB-IoT. IC Role / Device Role / Timing Role: Metrology SoC - ADC12 samples voltage/current at 10 kSPS with simultaneous sampling across 3 channels; RTC maintains billing calendar; IWDT ensures fail-safe meter restart after brownout. Use Value: Integrated 12-bit DAC calibrates shunt resistor offsets; TSN monitors die temperature for gain drift compensation; 32 KB data flash retains calibration coefficients across 125k write cycles. |
| Automotive Body Control Module | Medical Infusion Pump Controller |
Use Scenario: Centralized vehicle body electronics managing door locks, lighting, HVAC, and seat position memory - communicating via dual CAN buses and LIN. IC Role / Device Role / Timing Role: Safety-aware MCU - uses ECC SRAM, CAC for clock accuracy monitoring, and independent watchdog (IWDT) to meet ASIL-B requirements; CAN modules handle priority-based message arbitration. Use Value: 21× 5 V tolerant I/O pins interface directly with legacy 5 V sensors and actuators; CTSU enables capacitive touch controls on dashboard bezels; SCE7 signs firmware updates to prevent unauthorized reprogramming. | Use Scenario: Precision drug delivery system requiring flow rate control, occlusion detection, battery backup, and HIPAA-compliant audit logging. IC Role / Device Role / Timing Role: Real-time safety controller - AGT timers manage ultra-low-power wake-up intervals; RTC with VBATT maintains time during main power loss; DAC12 drives piezoelectric pump drivers with 12-bit resolution. Use Value: Standby SRAM (8 KB) preserves therapy state during power interruption; CRC calculator validates log entries before writing to data flash; LVD detects brownout before critical dose error occurs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M2AF3CFP#BA0 | 1 MB code flash vs. 512 KB; identical peripherals, package, and temperature grade. | Suitable for larger RTOS deployments (e.g., FreeRTOS + lwIP + mbed TLS) requiring more application code space. | Select when firmware size exceeds 400 KB or dual-bank OTA requires >256 KB per image. |
| STM32H743VI | Arm Cortex-M7 @ 480 MHz, 2 MB flash, no integrated Ethernet MAC - requires external PHY and external SDRAM for comparable memory bandwidth. | Better raw compute for AI inference but higher BOM cost and layout complexity due to external memory and PHY. | Choose only if floating-point throughput >2× R7FA6M2AD3CFP#BA0 is mandatory and Ethernet is implemented via external MAC+PHY. |
Compared with R7FA6M2AF3CFP#BA0, the R7FA6M2AD3CFP#BA0 trades flash capacity for cost-sensitive designs where firmware fits within 512 KB, while retaining identical real-time performance, security features, and industrial temperature rating. Against STM32H743VI, it offers lower system-level BOM cost and simpler PCB layout by integrating Ethernet MAC, USB transceiver, and crypto acceleration - reducing time-to-certification for IEC 62443 and UL 60730.
Availability
R7FA6M2AD3CFP#BA0 is available at Aetrix Electronics and suitable for industrial gateways, smart meters, automotive body controllers, and medical infusion pumps requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA6M2AD3CFP#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power management ICs for automotive, industrial, and enterprise applications.
The RA6M2 Group targets high-performance, secure, and scalable 32-bit MCUs for industrial IoT edge nodes - designed to unify connectivity (Ethernet/CAN/USB), real-time control (GPT/ADC), and trust (SCE7) in a single device without external co-processors.
FAQ
What is the maximum operating frequency of the R7FA6M2AD3CFP#BA0?
The R7FA6M2AD3CFP#BA0 operates at a maximum frequency of 120 MHz using its Arm Cortex-M4 core with FPU. This speed is achievable across the full -40°C to +105°C temperature range when powered at 2.7–3.6 V, with zero wait states on its 512 KB code flash memory running at 40 MHz.
Does the R7FA6M2AD3CFP#BA0 include an integrated Ethernet PHY?
No, the R7FA6M2AD3CFP#BA0 includes only an Ethernet MAC controller (ETHERC) and associated DMA (EDMAC). An external PHY IC (e.g., Microchip LAN8742A or Texas Instruments DP83848) is required for physical layer signaling. The MCU provides MII interface signals (TXD/RXD, TX_EN, CRS, COL) and MDIO management bus.
How many CAN interfaces does the R7FA6M2AD3CFP#BA0 support?
The R7FA6M2AD3CFP#BA0 integrates two independent Controller Area Network (CAN) modules compliant with ISO 11898-1 (CAN 2.0A/B). Each supports up to 32 mailboxes, standard (11-bit) and extended (29-bit) identifiers, and bit rates up to 1 Mbps - sufficient for automotive body networks or industrial fieldbus bridging.
What security features are implemented in the R7FA6M2AD3CFP#BA0?
The R7FA6M2AD3CFP#BA0 incorporates the Secure Crypto Engine 7 (SCE7), providing hardware-accelerated AES-128/192/256, SHA256, RSA/ECC, TRNG, and 128-bit unique ID. It also includes SRAM ECC, flash area protection, register write protection, and Clock Frequency Accuracy Measurement Circuit (CAC) for tamper-resistant secure boot and firmware authentication.
Is the R7FA6M2AD3CFP#BA0 pin-compatible with other RA6M2 group members?
Yes, the R7FA6M2AD3CFP#BA0 shares identical pinout and peripheral mapping with other 100-pin LQFP variants in the RA6M2 family, including R7FA6M2AF3CFP#BA0. Software and hardware designs are interchangeable between these parts - only flash size differs, enabling seamless migration during development or cost optimization in production.
R7FA6M2AD3CFP#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, FIFO, I2C, IrDA, MMC/SD, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 76
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 384K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 22x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M2AD3CFP#BA0 FAQ
1.How can I place an order for R7FA6M2AD3CFP#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M2AD3CFP#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 R7FA6M2AD3CFP#BA0 reliable?
The price and inventory of R7FA6M2AD3CFP#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M2AD3CFP#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M2AD3CFP#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M2AD3CFP#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M2AD3CFP#BA0?
R7FA6M2AD3CFP#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M2AD3CFP#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 R7FA6M2AD3CFP#BA0?
For technical support, including R7FA6M2AD3CFP#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M2AD3CFP#BA0 requirements.
6.How does Aetrix verify that R7FA6M2AD3CFP#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M2AD3CFP#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 R7FA6M2AD3CFP#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M2AD3CFP#BA0?
All R7FA6M2AD3CFP#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M2AD3CFP#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 R7FA6M2AD3CFP#BA0 part is unused and in its original packaging.
Return procedure for R7FA6M2AD3CFP#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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