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Renesas R7FA6M3AH3CFB#AA0
- Part No.:
- R7FA6M3AH3CFB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FA6M3AH3CFB#AA0.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:552
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Product details
Overview
R7FA6M3AH3CFB#AA0 from Renesas Electronics is a high-performance 32-bit Arm Cortex-M4 microcontroller with FPU, designed for industrial HMI, Ethernet-connected edge devices, and secure IoT gateways. It operates at up to 120 MHz, integrates 2 MB code flash, 640 KB SRAM, dual CAN, IEEE 1588 PTP Ethernet MAC, USB 2.0 HS/FS, and hardware crypto acceleration (AES-256, ECC, TRNG).
For engineers reviewing the R7FA6M3AH3CFB#AA0 datasheet, R7FA6M3AH3CFB#AA0 pinout, R7FA6M3AH3CFB#AA0 application, or R7FA6M3AH3CFB#AA0 equivalent, key selection criteria include its 144-pin LQFP package, -40°C to +105°C industrial temperature rating, integrated GLCDC + DRW for graphics rendering, dual SDHI for memory card support, and SCE7 security engine for certified cryptographic operations.
Technical Context
The R7FA6M3AH3CFB#AA0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time control and signal processing. Its memory subsystem includes ECC-protected SRAM (first 32 KB), MMF for flexible firmware loading, and 64 KB data flash rated for 125,000 erase/write cycles.
Connectivity is centered on dual high-speed peripherals: IEEE 1588-compliant ETHERC+EDMAC+EPTPC for sub-microsecond time synchronization, and USBHS/USBFS with on-chip transceivers compliant with USB Battery Charging 1.2. Analog subsystem features dual 12-bit ADCs with PGA and ACMPHS for sensor conditioning without external components.
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 audio processing without software emulation. |
| Memory | 2 MB code flash + 64 KB data flash + 640 KB SRAM - supports large embedded OS images, OTA update partitioning, and real-time buffer allocation. |
| Package | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) - compatible with standard PCB assembly processes and industrial thermal management. |
| Temperature | -40°C to +105°C operating range - qualified for under-hood automotive gateway, factory automation, and outdoor infrastructure applications. |
| Ethernet | IEEE 802.3 MAC + IEEE 1588-2008 PTP - delivers hardware timestamping and sub-100 ns clock synchronization for time-sensitive networking. |
| Security | SCE7 crypto engine with AES-256, ECC, TRNG, and SHA256 - provides NIST SP 800-193-compliant secure boot and runtime attestation capabilities. |
| Analog | Dual 12-bit ADC (22 channels), dual DAC12, 6× ACMPHS, 6× PGA - enables closed-loop analog sensing and actuation in motor drives and power supplies. |
Pinout & Package
144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch), 100% lead-free, RoHS-compliant, with exposed thermal pad for enhanced heat dissipation in industrial environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | 2.7–3.6 V core I/O supply; dedicated analog and digital domains ensure noise isolation for ADC/DAC operation. |
| XTAL/EXTAL | Main clock oscillator input/output | Supports 8–24 MHz crystal for precise timing; required for USBHS, Ethernet, and RTC accuracy. |
| ETH_MDC/MDIO | Ethernet management interface | Provides MDIO bus access to external PHY registers for link configuration and status monitoring. |
| USB_VBUS/USB_DP/USB_DM | USB 2.0 High-Speed interface | Integrated transceiver eliminates external PHY; VBUS detection enables host/device role negotiation. |
| SD0_CLK/SD0_CMD/SD0_DATA | SD/MMC Host Interface 0 | 4-bit SDHC/SDXC support with DMA-driven transfers - enables local storage for firmware logging and media playback. |
| CTSU_Sx | Capacitive touch sensing channel | Direct connection to touch electrodes; internal CTSU circuitry performs auto-calibration and noise rejection. |
| GPTA0_0/GPTA0_1 | General PWM Timer output | High-resolution complementary PWM outputs with dead-time insertion - suitable for 3-phase inverter gate driving. |
Key Features
| Feature | Design Value |
|---|---|
| Graphics LCD Controller (GLCDC) | Supports WVGA+ panels with triple-plane overlay and 32-bit ARGB framebuffer - enables rich UI rendering without external GPU. |
| 2D Drawing Engine (DRW) | Hardware-accelerated rasterization with antialiasing and texture blending - reduces CPU load by >70% vs. software rendering for vector graphics. |
| Event Link Controller (ELC) | Configurable hardware event routing between peripherals - eliminates CPU polling and ISR latency for time-critical sensor-to-PWM workflows. |
| Memory Mirror Function (MMF) | Runtime remapping of flash load address to link address - simplifies field firmware updates and A/B swap implementations. |
| Secure Crypto Engine 7 (SCE7) | Side-channel resistant AES/ECC acceleration with key wrapping - meets IEC 62443-3-3 SL2 requirements for secure device identity and encrypted communication. |
Applications
| Industrial HMI Gateway | Smart Building Controller |
|---|---|
Use Scenario: Standalone panel PC controlling HVAC, lighting, and access systems in commercial buildings. IC Role / Device Role / Timing Role: Main application processor running FreeRTOS with GLCDC driving 7-inch capacitive touchscreen and DRW rendering animated UI elements. Use Value: Integrated CTSU eliminates external touch controller; dual SDHI enables local video caching and firmware rollback via redundant eMMC partitions. | Use Scenario: DIN-rail mounted controller aggregating BACnet MS/TP, Modbus RTU, and KNX devices into a unified IP network. IC Role / Device Role / Timing Role: Protocol gateway with dual CAN and SCI interfaces translating fieldbus data to Ethernet using IEEE 1588-synchronized timestamps. Use Value: Hardware PTP ensures ±50 ns time alignment across building-wide sensors - critical for energy metering correlation and predictive maintenance analytics. |
| Secure Edge Gateway | Motor Drive Interface Module |
Use Scenario: Field-deployable IoT gateway connecting legacy RS-485 equipment to cloud platforms via TLS-secured MQTT over Ethernet. IC Role / Device Role / Timing Role: Secure boot root-of-trust anchor with SCE7 verifying signed firmware images before execution; USBHS hosts cellular modem for failover connectivity. Use Value: On-chip TRNG and AES-256 enable FIPS 140-2 Level 1 compliant key generation and session encryption without external crypto ICs. | Use Scenario: Compact add-on board for servo drives providing analog feedback capture, PWM generation, and safety monitoring. IC Role / Device Role / Timing Role: Real-time control unit sampling current/voltage sensors via dual ADC12 with PGA, generating synchronized 3-phase PWM via GPT32EH timers. Use Value: Independent watchdog (IWDT) with dedicated 15 kHz oscillator ensures safe shutdown within 10 ms if main CPU locks - meeting SIL-2 functional safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M3AH3CFC#AA0 | Same RA6M3 family, 176-pin LQFP package - adds 23 more GPIOs and 2 additional SCI channels. | Better suited for systems requiring expanded serial connectivity and higher I/O density. | Select when board layout allows larger footprint and additional peripheral count is needed. |
| R7FA6M2AF3CFB#AA0 | RA6M2 variant: same 144-pin LQFP but reduced resources - 1 MB flash, 256 KB SRAM, no Ethernet or GLCDC. | Targeted at cost-sensitive industrial controls without graphics or time-sensitive networking. | Choose for non-networked HMI or motor control where Ethernet and graphics are unnecessary. |
Compared with R7FA6M3AH3CFC#AA0, the R7FA6M3AH3CFB#AA0 offers identical feature set in a smaller 144-pin LQFP package - ideal for space-constrained designs. Against R7FA6M2AF3CFB#AA0, it delivers 100% more flash, full graphics acceleration, and IEEE 1588 Ethernet - essential for next-generation secure edge gateways.
Availability
R7FA6M3AH3CFB#AA0 is available at Aetrix Electronics and suitable for industrial HMI, smart building controllers, and secure edge gateways requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7FA6M3AH3CFB#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.
The RA6M3 Group targets high-performance, secure, and graphics-capable microcontrollers for industrial edge devices - emphasizing real-time Ethernet, human-machine interface, and hardware-enforced security from chip to cloud.
FAQ
What is the maximum operating frequency of the R7FA6M3AH3CFB#AA0?
The R7FA6M3AH3CFB#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 40 MHz code flash memory due to integrated Flash Cache (FCACHE). The MCU supports multiple clock sources including HOCO, PLL, and external crystals to maintain timing integrity across voltage and temperature ranges.
Does the R7FA6M3AH3CFB#AA0 support IEEE 1588 Precision Time Protocol?
Yes, the R7FA6M3AH3CFB#AA0 integrates a full IEEE 1588-2008 v2.0 Precision Time Protocol (PTP) engine via its EPTPC module, working in conjunction with the ETHERC and EDMAC. It provides hardware timestamping on transmit and receive paths, sub-100 ns synchronization accuracy, and support for PTP profiles including Default, Power, and Telecom.
What graphics capabilities does the R7FA6M3AH3CFB#AA0 include?
The R7FA6M3AH3CFB#AA0 includes a Graphics LCD Controller (GLCDC) supporting WVGA+ panels, a 2D Drawing Engine (DRW) with antialiasing and texture blending, and a JPEG codec for hardware-accelerated image compression/decompression. These enable rich UI rendering, animated graphics, and local media playback without external GPUs or codecs.
How many analog-to-digital converters does the R7FA6M3AH3CFB#AA0 have?
The R7FA6M3AH3CFB#AA0 features two independent 12-bit successive approximation ADC units (ADC12), each with up to 13 input channels (22 total pins), programmable gain amplifiers (PGA), and sample-and-hold circuits. Resolution is selectable at 12-, 10-, or 8-bit to balance speed and precision for sensor acquisition in R7FA6M3AH3CFB#AA0-based systems.
Is the R7FA6M3AH3CFB#AA0 suitable for industrial temperature applications?
Yes, the R7FA6M3AH3CFB#AA0 is rated for operation from -40°C to +105°C ambient temperature and packaged in a 144-pin LQFP with exposed thermal pad. It includes industrial-grade features such as ECC SRAM, flash area protection, independent watchdog timer (IWDT), and low-voltage detection - making it suitable for factory automation, energy metering, and outdoor infrastructure deployments.
R7FA6M3AH3CFB#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RA6M3
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 2MB (2M 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 22x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M3AH3CFB#AA0 FAQ
1.How can I place an order for R7FA6M3AH3CFB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AH3CFB#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 R7FA6M3AH3CFB#AA0 reliable?
The price and inventory of R7FA6M3AH3CFB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AH3CFB#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AH3CFB#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AH3CFB#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AH3CFB#AA0?
R7FA6M3AH3CFB#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AH3CFB#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 R7FA6M3AH3CFB#AA0?
For technical support, including R7FA6M3AH3CFB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AH3CFB#AA0 requirements.
6.How does Aetrix verify that R7FA6M3AH3CFB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AH3CFB#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 R7FA6M3AH3CFB#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AH3CFB#AA0?
All R7FA6M3AH3CFB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AH3CFB#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 R7FA6M3AH3CFB#AA0 part is unused and in its original packaging.
Return procedure for R7FA6M3AH3CFB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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