Renesas R7FA6M3AF3CFC#BA0
- Part No.:
- R7FA6M3AF3CFC#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7FA6M3AF3CFC#BA0.pdf
- Description:
- MCU RA6 ARM CM4 120MHZ 1M/640K Q
- Quantity:
- Payment:

- Shipping:

Inventory:2,470
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Product details
Overview
R7FA6M3AF3CFC#BA0 from Renesas is a high-performance 32-bit Arm Cortex-M4 microcontroller with FPU, operating at up to 120 MHz, featuring 2 MB code flash, 640 KB SRAM, dual CAN, IEEE 1588 Ethernet MAC (ETHERC/EDMAC/EPTPC), USB 2.0 High-Speed and Full-Speed modules, QSPI, SDHI×2, GLCDC, DRW, CTSU, and SCE7 cryptographic engine - deployed in industrial HMI gateways requiring real-time control, secure connectivity, and graphics rendering.
For engineers reviewing the R7FA6M3AF3CFC#BA0 datasheet, R7FA6M3AF3CFC#BA0 pinout, R7FA6M3AF3CFC#BA0 application, or R7FA6M3AF3CFC#BA0 equivalent, key selection criteria include IEEE 1588 PTP timing accuracy, dual USB host/device capability with on-chip transceivers, 176-pin LQFP package compatibility, and integrated graphics acceleration for embedded GUIs.
Technical Context
The R7FA6M3AF3CFC#BA0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time execution across its 120 MHz core clock. It integrates dual independent CAN 2.0B controllers with 32 configurable mailboxes and hardware timestamping, enabling robust fieldbus communication in automotive and industrial networks.
Its system-level timing infrastructure includes three dedicated clock domains (ICLK, PCLKA–PCLKD), Clock Frequency Accuracy Measurement Circuit (CAC) for oscillator calibration, and Event Link Controller (ELC) enabling zero-CPU-latency peripheral chaining - critical for synchronized analog capture, PWM generation, and Ethernet frame handling without software overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables floating-point math for motor control and signal processing without external coprocessor. |
| Memory | 2 MB code flash (40 MHz zero-wait), 64 KB data flash (125k erase cycles), 640 KB SRAM with ECC/parity - supports OTA updates, data logging, and large framebuffer allocation. |
| Connectivity | Ethernet MAC + PTP (IEEE 1588 v2), USBHS/USBFS with on-chip transceivers, CAN×2, QSPI, SDHI×2 - enables time-synchronized industrial networking and dual-mode USB device/host operation. |
| Analog | ADC12×2 (12-bit, 22-channel), DAC12×2, ACMPHS×6, PGA×6, TSN - supports precision sensor interfacing, closed-loop analog control, and temperature-compensated calibration. |
| Graphics & HMI | GLCDC with triple-plane overlay, DRW 2D engine, JPEG codec, CTSU - renders WVGA+ GUIs with antialiased vector graphics and capacitive touch without CPU load. |
| Security | SCE7 crypto engine: AES128/192/256, RSA/ECC, SHA256, TRNG, 128-bit UID - provides hardware-accelerated TLS handshake, firmware signing, and secure boot root-of-trust. |
| Package | 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), -40°C to +105°C - compatible with standard SMT assembly and suitable for extended-temperature industrial control panels. |
Pinout & Package
176-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, with 124 CMOS I/O pins, 9 dedicated inputs, 21 5 V-tolerant pins, and 18 high-current (20 mA) outputs. Pin functions mapped per Renesas R01DS0358EJ0120 Rev.1.20, Table 1.14 and Figure 1.1 block diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual 2.7–3.6 V domains support noise-isolated analog/digital partitioning; 10 VSS pins ensure low-impedance return paths. |
| XTAL/EXTAL | Main clock oscillator interface | 8–24 MHz crystal input for precise system timing; supports external clock source or MOSC bypass mode. |
| ETH_MDC/MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO bus for PHY configuration and status readback without GPIO bit-banging. |
| USB_VBUS/USB_ID | USB role detection | Hardware-automated host/device mode switching via VBUS sensing and ID pin state - enables USB OTG-like behavior. |
| SD0_CLK/SD0_CMD/SD0_DATx | SD/MMC Host Interface 0 | 4-bit SDHC/SDXC interface with DMA support - boots from SD card or streams media assets directly to GLCDC framebuffer. |
| CTSU_RX0–CTSU_RX15 | Capacitive touch sense channels | 16-channel CTSU input matrix enabling up to 16-button or slider implementation with <1 µA average current in active scan. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables seamless firmware update by redirecting code execution from mirrored flash address space - eliminates bootloader complexity and reduces downtime. |
| Event Link Controller (ELC) | Direct hardware-triggered peripheral chaining (e.g., ADC conversion complete → DMA transfer → GPT compare match) - removes interrupt latency and CPU polling overhead. |
| Sampling Rate Converter (SRC) | Real-time audio sample rate translation (e.g., 44.1 kHz ↔ 48 kHz) for SSIE-connected codecs - avoids software resampling CPU load in voice-enabled HMI systems. |
| Port Output Enable for GPT (POEG) | Hardware-gated PWM output disable during fault conditions - ensures safe motor drive shutdown without software intervention or GPIO toggling delay. |
| Independent Watchdog Timer (IWDT) | Dedicated 15 kHz oscillator-driven watchdog with refresh error detection - guarantees fail-safe recovery even if main clock fails or firmware hangs in low-power mode. |
Applications
| Industrial HMI Gateway | Secure Edge Node |
|---|---|
|
Use Scenario: Programmable logic controller (PLC) with touchscreen operator interface, EtherNet/IP slave, and local data logging. IC Role / Device Role / Timing Role: Central application processor executing RTOS, managing GLCDC-driven GUI, synchronizing EtherNet/IP I/O updates via IEEE 1588 PTP, and buffering logs to SDHI. Use Value: Integrated DRW and CTSU eliminate external graphics controller and touch IC; dual CAN and Ethernet enable multi-protocol fieldbus bridging with deterministic timing. |
Use Scenario: Smart building controller aggregating BACnet MS/TP, Modbus RTU, and BLE sensors, then forwarding encrypted telemetry via TLS over Ethernet. IC Role / Device Role / Timing Role: Secure edge concentrator performing protocol translation, AES-GCM encryption, SHA256 signature verification, and RTC-stamped event logging. Use Value: SCE7 crypto engine accelerates TLS 1.2 handshake by >10× vs. software-only; 640 KB SRAM hosts multiple protocol stacks and encrypted packet buffers simultaneously. |
| Medical Display Terminal | Automotive Diagnostic Tool |
|
Use Scenario: Portable patient monitor displaying ECG waveforms, SpO₂ trends, and alarm indicators on color LCD with capacitive touch navigation. IC Role / Device Role / Timing Role: Real-time waveform acquisition (ADC12 + PGA), JPEG compression of captured images, GLCDC-driven display, and CTSU-based UI interaction. Use Value: On-chip JPEG codec reduces image storage bandwidth by 8:1; DRW antialiasing ensures smooth scrolling of clinical trend graphs without CPU rendering load. |
Use Scenario: Handheld OBD-II scanner supporting UDS diagnostics over CAN FD-capable PHY, USB-C connection to PC, and firmware updates via SD card. IC Role / Device Role / Timing Role: Dual-CAN interface (CAN 2.0B for legacy OBD-II, second CAN for internal diagnostics), USBHS host for PC tethering, and QSPI-booted secure bootloader. Use Value: Hardware CRC calculator validates firmware images before flash programming; 124 I/O pins support JTAG debug, CAN transceiver control, and LED/status indicators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance Arm Cortex-M4 MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M2AF3CFP#AA0 | Same RA6M3 family, but 100-pin LQFP, 1 MB flash, 384 KB SRAM, no Ethernet or USBHS - lacks IEEE 1588 and high-speed USB transceiver. | Suitable for cost-sensitive, space-constrained HMI without network connectivity requirements. | Select when Ethernet/USBHS are unnecessary and PCB footprint must be minimized. |
| R7FA6T1AD3CFM#AA0 | RA6T1 series, 160 MHz Cortex-M4, 512 KB flash, 128 KB SRAM, no Ethernet, no GLCDC/DRW, enhanced motor control timers (GPT32EH×8). | Optimized for servo drives and inverters requiring high-resolution PWM and encoder capture - not suited for graphics or networking. | Choose for motor control-centric designs where graphics and Ethernet are excluded. |
Compared with R7FA6M3AF3CFC#BA0, the R7FA6M2AF3CFP#AA0 sacrifices connectivity and memory for smaller size and lower cost, while the R7FA6T1AD3CFM#AA0 trades graphics/security features for higher PWM resolution and motor-specific peripherals - neither offers pin-to-pin compatibility or identical feature set.
Availability
R7FA6M3AF3CFC#BA0 is available at Aetrix Electronics and suitable for industrial HMI gateways, secure edge nodes, medical display terminals, and automotive diagnostic tools requiring stable component supply, long-term lifecycle support, and full traceability.
Supply support for R7FA6M3AF3CFC#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 is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RA6M3 Group targets high-end industrial and IoT edge applications requiring rich connectivity, graphics, security, and functional safety - designed to replace legacy 32-bit MCUs with scalable, software-compatible Arm-based platforms.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M3AF3CFC#BA0?
The R7FA6M3AF3CFC#BA0 features an Arm Cortex-M4 core with Floating Point Unit (FPU) operating at up to 120 MHz, compliant with the Armv7E-M architecture and DSP instruction set. This enables high-precision real-time computation for motor control, audio processing, and sensor fusion without external math accelerators. The R7FA6M3AF3CFC#BA0 delivers deterministic performance under RTOS scheduling with hardware-supported memory protection and low-latency interrupt response.
Does the R7FA6M3AF3CFC#BA0 support IEEE 1588 Precision Time Protocol for Ethernet synchronization?
Yes, the R7FA6M3AF3CFC#BA0 integrates a full IEEE 1588-2008 v2.0-compliant Ethernet PTP Controller (EPTPC) with hardware timestamping, synchronization frame processing (SYNFP0), and statistical time correction (STCA). It operates in conjunction with the on-chip ETHERC and EDMAC to achieve sub-microsecond clock synchronization across industrial Ethernet networks - essential for time-critical motion control and distributed I/O systems. The R7FA6M3AF3CFC#BA0 does not require external PTP hardware or software stack offload.
What graphics and human-machine interface capabilities does the R7FA6M3AF3CFC#BA0 provide?
The R7FA6M3AF3CFC#BA0 includes a Graphics LCD Controller (GLCDC) supporting triple-plane overlay, 2D Drawing Engine (DRW) with antialiasing and texture mapping, JPEG codec for hardware-accelerated image decode, and Capacitive Touch Sensing Unit (CTSU) with 16-channel scan capability. These features enable responsive, visually rich GUIs on WVGA+ displays without burdening the Cortex-M4 core - the R7FA6M3AF3CFC#BA0 can render vector graphics, animate transitions, and process touch gestures concurrently with real-time control tasks.
How does the R7FA6M3AF3CFC#BA0 handle security-critical operations like encryption and key management?
The R7FA6M3AF3CFC#BA0 embeds the Secure Crypto Engine 7 (SCE7), which provides hardware-accelerated AES128/192/256, RSA/ECC, SHA256, GHASH, and TRNG functions - all operating independently of the main CPU. It supports secure key injection, protected key storage, and tamper-resistant firmware authentication. The R7FA6M3AF3CFC#BA0 uses SCE7 to perform TLS handshake acceleration, signed firmware image verification, and secure boot without exposing cryptographic keys to software - meeting IEC 62443-3-3 SL2 requirements for industrial devices.
What package type and temperature range is specified for the R7FA6M3AF3CFC#BA0?
The R7FA6M3AF3CFC#BA0 is supplied in a 176-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch) rated for industrial temperature operation from −40°C to +105°C. This package provides 124 general-purpose I/O pins, including 21 5 V-tolerant inputs and 18 high-current (20 mA) outputs - optimized for reliable mounting in automated SMT lines and thermal cycling environments typical of factory automation and transportation equipment. The R7FA6M3AF3CFC#BA0's pinout aligns with Renesas' RA6M3 family footprint compatibility guidelines.
R7FA6M3AF3CFC#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LQFP
- Series:
- RA6M3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, MMC/SD, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 124
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 640K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 24x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M3AF3CFC#BA0 FAQ
1.How can I place an order for R7FA6M3AF3CFC#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AF3CFC#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 R7FA6M3AF3CFC#BA0 reliable?
The price and inventory of R7FA6M3AF3CFC#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AF3CFC#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AF3CFC#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AF3CFC#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AF3CFC#BA0?
R7FA6M3AF3CFC#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AF3CFC#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 R7FA6M3AF3CFC#BA0?
For technical support, including R7FA6M3AF3CFC#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AF3CFC#BA0 requirements.
6.How does Aetrix verify that R7FA6M3AF3CFC#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AF3CFC#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 R7FA6M3AF3CFC#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AF3CFC#BA0?
All R7FA6M3AF3CFC#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AF3CFC#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 R7FA6M3AF3CFC#BA0 part is unused and in its original packaging.
Return procedure for R7FA6M3AF3CFC#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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