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Renesas R7FA6M3AF3CFC#AA0
- Part No.:
- R7FA6M3AF3CFC#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7FA6M3AF3CFC#AA0.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 176LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:936
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Product details
Overview
R7FA6M3AF3CFC#AA0 from Renesas Electronics 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, and integrated graphics subsystem (GLCDC + DRW + JPEG codec) for HMI-rich industrial control and gateway applications.
For engineers reviewing the R7FA6M3AF3CFC#AA0 datasheet, R7FA6M3AF3CFC#AA0 pinout, R7FA6M3AF3CFC#AA0 application, or R7FA6M3AF3CFC#AA0 equivalent, key selection considerations include its 176-pin LQFP package, -40°C to +105°C industrial temperature grade, dual SDHI interfaces for redundant storage, QSPI for external XIP flash, and SCE7 cryptographic engine supporting AES-256, ECC, and TRNG - all critical for secure, real-time edge node design.
Technical Context
The R7FA6M3AF3CFC#AA0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, enabling deterministic floating-point math for motor control and audio processing. Its memory subsystem includes ECC-protected SRAM (first 32 KB), 64-KB data flash rated for 125,000 erase/write cycles, and Memory Mirror Function (MMF) for flexible firmware update deployment without linker reconfiguration.
Real-time connectivity is enabled by tightly coupled peripherals: ETHERC interfaces directly with EDMAC and EPTPC for hardware-accelerated IEEE 1588 timestamping; dual CAN controllers support ISO 11898-1 with 32 configurable mailboxes; and SSIE × 2 supports up to 8-channel I2S audio with 32-stage FIFOs and DMA-driven transfers - all coordinated via Event Link Controller (ELC) to minimize CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables real-time DSP and control loops without software emulation |
| Memory | 2-MB code flash (40 MHz zero-wait), 64-KB data flash (125k cycles), 640-KB SRAM with ECC/parity - supports robust firmware updates and safety-critical data retention |
| Connectivity | Ethernet MAC + PTP (IEEE 1588 v2), USBHS/USBFS, dual CAN, QSPI, dual SDHI - enables time-synchronized industrial networking and dual-storage redundancy |
| Analog | Dual 12-bit ADC (22 channels total), dual 12-bit DAC, 6× ACMPHS, 6× PGA, TSN - supports closed-loop analog sensing and actuation in motor drives and power supplies |
| Graphics & HMI | GLCDC + 2D DRW + JPEG codec + CTSU - renders WVGA+ GUIs with hardware-accelerated drawing, touch overlay, and image decompression |
| Security | SCE7 crypto engine: AES-128/192/256, ECC, RSA, SHA256, TRNG, 128-bit UID - provides hardware-rooted trust for secure boot and OTA updates |
| Package & Temp | 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), -40°C to +105°C - suitable for industrial control panels and gateway enclosures without forced cooling |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level MSL3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | 2.7–3.6 V core/io supply; 133 total I/O pins including 21× 5 V-tolerant inputs for legacy interface compatibility |
| XTAL1/XTAL2 | Main clock oscillator input | Supports 8–24 MHz crystal for precise timing; paired with sub-clock (32.768 kHz) for RTC calendar operation |
| ETH_MDC/MDIO | Ethernet management interface | Direct connection to PHY for IEEE 802.3 compliance; used with ETHERC/EDMAC for zero-CPU packet handling |
| USB_VBUS/DP/DM | USB 2.0 High-Speed transceiver | On-chip transceiver with regulator - eliminates external PHY for cost-sensitive USB device/host implementations |
| SD0_CLK/SD0_CMD/SD0_DAT[0:3] | SD/MMC Host Interface 0 | 4-bit SDHC/SDXC support with CRC offload; second SDHI (SD1) enables dual-card failover or simultaneous storage/access |
| QSPI_IO0–IO3 | Quad SPI interface | Enables XIP execution from external flash; supports octal mode via pin multiplexing for >100 MB/s read throughput |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Allows firmware images to be loaded at arbitrary flash addresses while executing from fixed link address - simplifies over-the-air update partitioning |
| Event Link Controller (ELC) | Hardware routing of 100+ peripheral events (e.g., ADC end-of-conversion → GPT start) without CPU ISR overhead - reduces latency in real-time control |
| Secure Crypto Engine 7 (SCE7) | Accelerates AES-256 encryption/decryption at >100 Mbps with side-channel resistance - enables TLS 1.3 handshake in <50 ms on embedded stacks |
| Graphics LCD Controller (GLCDC) | Three-plane superimposition (background + 2 graphics layers) with alpha blending - supports layered UIs (e.g., live video overlay + touch menu + status bar) without frame buffer copying |
| Sampling Rate Converter (SRC) | Resamples audio streams between 8–192 kHz with programmable filter coefficients - enables interoperability between MP3 decoder output and I2S DAC input |
| Port Output Enable for GPT (POEG) | Hardware-gated PWM outputs - prevents shoot-through during motor startup/shutdown by disabling outputs before register reconfiguration |
Applications
| Industrial Ethernet Gateway | Human-Machine Interface Terminal |
|---|---|
Use Scenario: Edge gateway aggregating Modbus TCP, CANopen, and BACnet MS/TP traffic into time-synchronized IEEE 1588 Ethernet backbone. IC Role / Device Role / Timing Role: R7FA6M3AF3CFC#AA0 acts as protocol translator and PTP grandmaster, using ETHERC/EPTPC for hardware timestamping and dual CAN for fieldbus bridging. Use Value: Sub-microsecond timestamp accuracy and deterministic packet forwarding eliminate need for external timing ICs or FPGA offload. |
Use Scenario: Standalone HMI panel with capacitive touch, live camera preview, and animated GUI for factory floor equipment monitoring. IC Role / Device Role / Timing Role: R7FA6M3AF3CFC#AA0 serves as full-system controller - GLCDC drives WVGA LCD, CTSU handles multi-touch, PDC ingests camera data, DRW composites layers. Use Value: Hardware-accelerated JPEG decode and 2D drawing reduce CPU load to <30%, enabling smooth 60 fps UI updates with background telemetry processing. |
| Secure Industrial PLC Controller | Audio-Enabled Smart Sensor Node |
Use Scenario: Safety-rated PLC module performing motion control, analog I/O conditioning, and secure firmware validation in hazardous environments. IC Role / Device Role / Timing Role: R7FA6M3AF3CFC#AA0 executes real-time control tasks on Cortex-M4+FPU, validates signed firmware images via SCE7, and monitors analog inputs with self-diagnostic ADC. Use Value: Integrated ECC SRAM, independent watchdog (IWDT), and flash protection enable IEC 61508 SIL2 compliance without external safety monitors. |
Use Scenario: Networked acoustic sensor node capturing vibration data, applying FFT-based anomaly detection, and streaming compressed audio over USB or Ethernet. IC Role / Device Role / Timing Role: R7FA6M3AF3CFC#AA0 runs SSIE for I2S microphone input, SRC for sample rate alignment, and SCE7 for encrypted data upload. Use Value: On-chip SRC and hardware-accelerated AES allow real-time audio preprocessing and secure cloud upload with <2 ms end-to-end latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M3AH3CFB#AA0 | Same RA6M3 family, 144-pin LQFP, 100 MHz max, 1-MB flash, no GLCDC/DRW/JPEG | Lacks graphics subsystem and reduced memory - suited for headless gateways or control-only nodes | Select when GUI rendering is unnecessary and PCB space/layout cost favors smaller LQFP |
| STM32H743VI | Arm Cortex-M7 @ 480 MHz, 2-MB flash, 1-MB SRAM, no integrated Ethernet PTP or SCE7 crypto | Requires external PHY and crypto co-processor for equivalent IEEE 1588 and TLS offload capability | Select when higher raw CPU performance is prioritized over integrated time-sync and security acceleration |
Compared with R7FA6M3AF3CFC#AA0, the R7FA6M3AH3CFB#AA0 reduces BOM cost and footprint but sacrifices HMI capability, while the STM32H743VI delivers higher compute throughput at the expense of added complexity in achieving IEEE 1588 synchronization and secure boot integrity.
Availability
R7FA6M3AF3CFC#AA0 is available at Aetrix Electronics and suitable for industrial gateways, HMI terminals, PLC controllers, and smart sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for R7FA6M3AF3CFC#AA0 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, and power devices for automotive, industrial, and enterprise applications.
The RA6M3 Group targets high-end industrial and IoT edge devices, combining real-time performance, functional safety features, and rich HMI capability - designed specifically for secure, time-deterministic human-machine interaction and networked control systems.
FAQ
What is the maximum operating frequency of the R7FA6M3AF3CFC#AA0?
The R7FA6M3AF3CFC#AA0 operates at a maximum frequency of 120 MHz using its Arm Cortex-M4 core with FPU. This speed is achievable with zero wait states on its 2-MB code flash memory when running at 40 MHz bus frequency, enabling deterministic real-time execution for motor control and communication stacks. The R7FA6M3AF3CFC#AA0 also supports dynamic clock scaling via multiple on-chip oscillators (HOCO/MOCO/LOCO) and PLL for power-aware operation.
Does the R7FA6M3AF3CFC#AA0 support IEEE 1588 Precision Time Protocol?
Yes, the R7FA6M3AF3CFC#AA0 integrates a full IEEE 1588-2008 v2.0 compliant Ethernet PTP Controller (EPTPC) alongside its Ethernet MAC (ETHERC) and DMA (EDMAC). It includes dedicated hardware blocks - Synchronization Frame Processing unit (SYNFP0) and Statistical Time Correction Algorithm (STCA) - for sub-microsecond timestamp accuracy and transparent clock functionality. The R7FA6M3AF3CFC#AA0 does not require external timing ICs to implement PTP grandmaster or slave roles in industrial Ethernet deployments.
What graphics capabilities does the R7FA6M3AF3CFC#AA0 provide?
The R7FA6M3AF3CFC#AA0 includes a complete graphics subsystem: Graphics LCD Controller (GLCDC) supporting WVGA+ panels with three-layer superimposition, 2D Drawing Engine (DRW) for hardware-accelerated vector rendering and alpha blending, JPEG codec for baseline compression/decompression, and Capacitive Touch Sensing Unit (CTSU). These features enable standalone GUI development without external GPU or display controller. The R7FA6M3AF3CFC#AA0's DRW processes pixels at one per clock cycle, delivering smooth animation even with complex layered interfaces.
How many CAN interfaces does the R7FA6M3AF3CFC#AA0 support?
The R7FA6M3AF3CFC#AA0 integrates two independent Controller Area Network (CAN) modules compliant with ISO 11898-1 (CAN 2.0A/B). Each module supports up to 32 configurable mailboxes, both standard (11-bit) and extended (29-bit) identifiers, and operates in normal mailbox or FIFO modes. These CAN interfaces are fully functional in the R7FA6M3AF3CFC#AA0's 176-pin LQFP package, with dedicated TX/RX pins assigned to separate port groups to avoid signal contention in multi-bus industrial networks.
What security features are integrated into the R7FA6M3AF3CFC#AA0?
The R7FA6M3AF3CFC#AA0 embeds Renesas' Secure Crypto Engine 7 (SCE7), providing hardware-accelerated AES-128/192/256, 3DES, ARC4, SHA1/224/256, MD5, GHASH, RSA, DSA, and ECC operations, plus a True Random Number Generator (TRNG) and 128-bit unique ID. SCE7 meets Common Criteria EAL4+ requirements and enables secure boot, encrypted firmware updates, and TLS 1.3 offload. Unlike software-only implementations, the R7FA6M3AF3CFC#AA0's SCE7 prevents side-channel leakage and performs AES-256 decryption at >100 Mbps with constant-time execution.
R7FA6M3AF3CFC#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LQFP
- Series:
- RA6M3
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, MMC/SD, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, 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#AA0 FAQ
1.How can I place an order for R7FA6M3AF3CFC#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AF3CFC#AA0 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#AA0 reliable?
The price and inventory of R7FA6M3AF3CFC#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AF3CFC#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AF3CFC#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AF3CFC#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AF3CFC#AA0?
R7FA6M3AF3CFC#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AF3CFC#AA0 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#AA0?
For technical support, including R7FA6M3AF3CFC#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AF3CFC#AA0 requirements.
6.How does Aetrix verify that R7FA6M3AF3CFC#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AF3CFC#AA0 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#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AF3CFC#AA0?
All R7FA6M3AF3CFC#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AF3CFC#AA0, 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#AA0 part is unused and in its original packaging.
Return procedure for R7FA6M3AF3CFC#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6M3AF3CFC#AA0 Tags
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