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Renesas R7FA6M3AH3CFC#BA1
- Part No.:
- R7FA6M3AH3CFC#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7FA6M3AH3CFC#BA1.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 176LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,298
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Product details
Overview
R7FA6M3AH3CFC#BA1 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), USB 2.0 High-Speed and Full-Speed modules, QSPI, SDHI ×2, GLCDC, DRW, CTSU, and SCE7 security engine - deployed in industrial HMIs, networked gateways, and real-time control systems requiring deterministic timing and rich peripheral integration.
For engineers reviewing the R7FA6M3AH3CFC#BA1 datasheet, R7FA6M3AH3CFC#BA1 pinout, R7FA6M3AH3CFC#BA1 application, or R7FA6M3AH3CFC#BA1 equivalent, key selection considerations include IEEE 1588 PTP support for time-sensitive networking, dual USB controller capability (HS + FS), integrated graphics acceleration (GLCDC + DRW), 12-bit ADC/DAC with PGA/ACMPHS analog front-end, and hardware crypto acceleration (AES-256, ECC, TRNG) for secure edge device deployment.
Technical Context
The R7FA6M3AH3CFC#BA1 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time execution via GPT32EH timers (4×), AGT low-power timers (2×), and ELC event linking for CPU-free peripheral coordination. Its memory subsystem includes ECC-protected SRAM (first 32 KB), MMF for flexible firmware load/link separation, and 64-KB data flash rated for 125,000 erase/write cycles.
Connectivity is centered on dual high-integration interfaces: ETHERC + EDMAC + EPTPC for IEEE 1588-compliant time-synchronized Ethernet, and USBHS/USBFS with on-chip transceivers and battery charging v1.2 compliance. Analog subsystems integrate two independent 12-bit ADC units (22 total channels), six ACMPHS comparators, six PGAs, and dual 12-bit DACs - all accessible via shared I/O pins with 5-V tolerance on 21 terminals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables floating-point-intensive control algorithms and DSP filtering without software emulation overhead. |
| Memory | 2-MB code flash (zero wait states @40 MHz), 640-KB SRAM (ECC on first 32 KB) - supports large embedded OS images and real-time data buffering with error resilience. |
| Connectivity | Ethernet MAC + PTP (IEEE 1588 v2), USB 2.0 HS/FS, CAN ×2, QSPI, SDHI ×2 - enables converged industrial networking with time-aware protocols and multi-interface peripheral expansion. |
| Analog | ADC12 ×2 (22 ch, 12/10/8-bit selectable), DAC12 ×2, ACMPHS ×6, PGA ×6 - provides sensor signal conditioning, closed-loop actuator control, and precision monitoring in one chip. |
| Graphics & HMI | GLCDC + DRW + JPEG codec + CTSU - delivers full-color LCD rendering, antialiased 2D graphics, image compression/decompression, and touch interface without external controllers. |
| Security | SCE7 crypto engine (AES-128/192/256, ECC, RSA, SHA256, TRNG, 128-bit UID) - enables secure boot, encrypted firmware updates, and TLS offload in resource-constrained edge nodes. |
| 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 PCBs requiring leaded, rework-friendly packaging. |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3. Pin count and I/O configuration align with RA6M3 Group specification: 124 CMOS I/O, 9 dedicated inputs, 21 5-V tolerant pins, 18 high-current (20 mA) outputs, and 125 internal pull-up resistors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | 2.7–3.6 V core/io supply; multiple VCC/VSS pairs ensure low-noise operation and robust decoupling for mixed-signal performance. |
| XTAL/EXTAL (MOSC) | Main clock oscillator input/output | Supports 8–24 MHz crystal for precise system timing; required for Ethernet PTP synchronization accuracy and USB HS clock derivation. |
| RTC_XTAL/RTC_EXTAL | Sub-clock oscillator input/output | 32.768 kHz crystal connection for RTC calendar mode and VBATT-backed timekeeping during deep sleep. |
| ETH_MDC/MDIO, ETH_TXD[3:0], ETH_RXD[3:0], ETH_CRS, ETH_COL, ETH_REF_CLK | Ethernet PHY interface signals | Dedicated RMII/MII-capable pins for direct connection to external PHY; REF_CLK supports IEEE 1588 timestamping alignment. |
| USB_VBUS, USB_DP, USB_DM, USB_ID | USB 2.0 High-Speed physical layer | On-chip transceiver eliminates external PHY; VBUS sensing and ID pin enable OTG role negotiation and battery charging detection. |
| CTSU_Sx (x=0–15) | Capacitive touch sensing electrode inputs | Direct connection to touch pads/sliders; supports self- and mutual-capacitance measurement with noise immunity for industrial HMI panels. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables firmware image relocation: linked address ≠ flash load address - simplifies OTA update handling and bootloader design without runtime address remapping. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC conversion completion → DMA transfer → timer capture) - eliminates CPU polling and interrupt latency in real-time control loops. |
| Graphics LCD Controller (GLCDC) | Triple-plane overlay (background + 2 graphics layers), WVGA+ digital output, GPX bus master - drives color TFT displays up to 800×480 with alpha blending and no external video RAM. |
| Secure Crypto Engine 7 (SCE7) | Hardware-accelerated AES-256 encryption/decryption, ECDSA signature generation, and TRNG entropy source - meets IEC 62443-3-3 SL2 requirements for industrial IoT device authentication. |
| Sampling Rate Converter (SRC) | Real-time audio sample rate adjustment (e.g., 44.1 kHz ↔ 48 kHz) for SSIE-connected codecs - enables interoperability between legacy and modern audio peripherals without CPU intervention. |
| Port Output Enable for GPT (POEG) | Hardware-controlled disable of GPT PWM outputs during fault conditions - ensures safe shutdown of motor drivers or power converters without software delay. |
Applications
| Industrial HMI Panel | Smart Gateway Controller |
|---|---|
|
Use Scenario: A wall-mounted factory operator interface with 7-inch color LCD, capacitive touch overlay, and real-time process visualization. IC Role / Device Role / Timing Role: Primary application processor executing FreeRTOS, driving GLCDC/DRW for UI rendering, sampling analog sensors via ADC12, and managing CTSU touch events with sub-10-ms response. Use Value: Integrated graphics engine eliminates external GPU; 2-MB flash stores full GUI assets and firmware; SCE7 secures remote diagnostics access. |
Use Scenario: Field-deployed protocol converter bridging Modbus RTU devices to cloud via Ethernet and cellular uplink. IC Role / Device Role / Timing Role: Central protocol stack host with ETHERC for wired LAN, dual CAN for fieldbus interfacing, USBFS for local configuration, and SDHI for logging. Use Value: IEEE 1588 PTP enables synchronized data timestamping across distributed sensors; dual CAN supports redundant fieldbus links; QSPI boots from external flash for modular firmware. |
| Networked Motor Drive | Secure Edge Node |
|
Use Scenario: Compact servo drive with EtherCAT slave interface, current/voltage sensing, and PWM-driven IGBT gate control. IC Role / Device Role / Timing Role: Real-time motion controller using GPT32EH timers for 100-kHz PWM generation, ADC12 for current loop sampling, and ETHERC for deterministic EtherCAT frame processing. Use Value: Sub-microsecond timer resolution and ELC-triggered ADC-DMA transfers meet EtherCAT cycle time requirements; 5-V tolerant I/O interfaces directly with legacy encoder feedback. |
Use Scenario: Tamper-resistant environmental monitor collecting temperature, humidity, and air quality data for secure transmission to cloud platform. IC Role / Device Role / Timing Role: Trusted execution environment hosting secure bootloader, TLS stack, and sensor fusion algorithm - leveraging SCE7 for AES-GCM encryption and TRNG for session keys. Use Value: Hardware crypto offloads >95% of TLS handshake computation; 128-bit UID binds firmware identity to hardware; RTC with VBATT maintains audit log timestamps during power loss. |
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 core, identical peripherals, but 144-pin LQFP (20 mm × 20 mm) package - 23 fewer I/O pins, no SDHI channel 2, reduced QSPI pin count. | Suitable for space-constrained designs where full 176-pin I/O count and dual SDHI are not required - e.g., compact HMIs or simpler gateways. | Select when board area is critical and peripheral count can be reduced; pinout is not compatible with R7FA6M3AH3CFC#BA1. |
| R7FA6M4AF3CFP#AA0 | RA6M4 variant: adds TrustZone support, enhanced SCE7 (SHA-384), larger 3-MB flash, but removes GLCDC, DRW, and CTSU - retains ETHERC, USBHS/FS, CAN ×2, QSPI. | Targeted at security-first edge nodes needing certified secure boot and firmware attestation, but no local display or touch interface. | Choose for zero-trust architectures requiring PSA Certified Level 2; not interchangeable due to missing graphics/touch IP blocks and different memory map. |
Compared with R7FA6M3AH3CFC#BA1, the R7FA6M3AH3CFB#AA0 offers footprint reduction at the cost of I/O and peripheral scalability, while the R7FA6M4AF3CFP#AA0 shifts focus from HMI-rich integration to hardened security - neither is pin-compatible, and both require PCB redesign and firmware adaptation for feature parity.
Availability
R7FA6M3AH3CFC#BA1 is available at Aetrix Electronics and suitable for industrial HMIs, smart gateways, networked motor drives, and secure edge nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production ramp.
Supply support for R7FA6M3AH3CFC#BA1 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 - founded in 2010 through the merger of NEC Electronics and Renesas Technology.
The RA6M3 Group targets high-end industrial and building automation systems requiring real-time performance, rich connectivity, graphics capability, and hardware security - designed to replace legacy 32-bit MCUs while enabling scalable platform development across product families.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M3AH3CFC#BA1?
The R7FA6M3AH3CFC#BA1 features an Arm Cortex-M4 core with floating-point unit (FPU) and DSP extensions, operating at a maximum frequency of 120 MHz. It implements the Armv7E-M architecture and includes an Arm Memory Protection Unit (MPU) with eight configurable regions. This architecture enables deterministic real-time execution, efficient signal processing, and secure memory partitioning - essential for industrial control and HMI applications where R7FA6M3AH3CFC#BA1 serves as the primary system controller.
Does the R7FA6M3AH3CFC#BA1 support IEEE 1588 Precision Time Protocol (PTP)?
Yes, the R7FA6M3AH3CFC#BA1 integrates a full IEEE 1588-2008 v2.0 compliant Ethernet PTP Controller (EPTPC) alongside its Ethernet MAC (ETHERC) and Ethernet DMA (EDMAC). The EPTPC includes a Synchronization Frame Processing unit (SYNFP0) and Statistical Time Correction Algorithm (STCA) unit, enabling sub-microsecond timestamp accuracy for time-sensitive networking in industrial automation. This capability is intrinsic to R7FA6M3AH3CFC#BA1's hardware and requires no external timing ICs or software-only PTP stacks.
What graphics and human-machine interface (HMI) peripherals are integrated into the R7FA6M3AH3CFC#BA1?
The R7FA6M3AH3CFC#BA1 integrates a Graphics LCD Controller (GLCDC), 2D Drawing Engine (DRW), JPEG codec, and Capacitive Touch Sensing Unit (CTSU). The GLCDC supports triple-plane overlay and WVGA+ displays; DRW enables antialiased rasterization; JPEG handles baseline compression/decompression; and CTSU provides noise-immune touch detection on up to 16 electrodes. These peripherals collectively eliminate the need for external graphics controllers or touch ICs in R7FA6M3AH3CFC#BA1-based HMI designs.
How does the R7FA6M3AH3CFC#BA1 handle security-critical operations like encryption and key generation?
The R7FA6M3AH3CFC#BA1 incorporates the Secure Crypto Engine 7 (SCE7), a hardware accelerator supporting AES-128/192/256, 3DES, ARC4, SHA1/224/256, MD5, GHASH, RSA, DSA, and ECC. It includes a True Random Number Generator (TRNG) and a 128-bit unique ID. SCE7 offloads cryptographic operations from the CPU, provides tamper-resistant key storage, and enables secure boot verification - making R7FA6M3AH3CFC#BA1 suitable for IEC 62443-compliant industrial edge devices.
What package type and pin count does the R7FA6M3AH3CFC#BA1 use?
The R7FA6M3AH3CFC#BA1 uses a 176-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch), as indicated by the "FC" in its part number per Renesas' RA6M3 numbering scheme. It provides 124 general-purpose I/O pins, 9 dedicated inputs, 21 5-V tolerant pins, and 18 high-current (20 mA) outputs. This package is RoHS-compliant and rated for operation from −40°C to +105°C - matching the industrial temperature grade of R7FA6M3AH3CFC#BA1.
R7FA6M3AH3CFC#BA1 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:
- 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 24x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M3AH3CFC#BA1 FAQ
1.How can I place an order for R7FA6M3AH3CFC#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AH3CFC#BA1 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 R7FA6M3AH3CFC#BA1 reliable?
The price and inventory of R7FA6M3AH3CFC#BA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AH3CFC#BA1 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AH3CFC#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AH3CFC#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AH3CFC#BA1?
R7FA6M3AH3CFC#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AH3CFC#BA1 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 R7FA6M3AH3CFC#BA1?
For technical support, including R7FA6M3AH3CFC#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AH3CFC#BA1 requirements.
6.How does Aetrix verify that R7FA6M3AH3CFC#BA1 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AH3CFC#BA1 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 R7FA6M3AH3CFC#BA1 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AH3CFC#BA1?
All R7FA6M3AH3CFC#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AH3CFC#BA1, 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 R7FA6M3AH3CFC#BA1 part is unused and in its original packaging.
Return procedure for R7FA6M3AH3CFC#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6M3AH3CFC#BA1 Tags
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