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Renesas R7FA6M3AH3CBG#AC0
- Part No.:
- R7FA6M3AH3CBG#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7FA6M3AH3CBG#AC0.pdf
- Description:
- RA_FAMILY-2
- Quantity:
- Payment:
- Shipping:
Inventory:142
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Product details
Overview
R7FA6M3AH3CBG#AC0 from Renesas Electronics is a high-performance 32-bit Arm Cortex-M4 microcontroller with FPU, designed for industrial HMI, networked 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 Ethernet MAC (ETHERC), USB 2.0 High-Speed/Full-Speed, and hardware-accelerated cryptography (AES-256, ECC, TRNG).
For engineers reviewing the R7FA6M3AH3CBG#AC0 datasheet, R7FA6M3AH3CBG#AC0 pinout, R7FA6M3AH3CBG#AC0 application, or R7FA6M3AH3CBG#AC0 equivalent, key selection criteria include its 176-pin BGA 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 R7FA6M3AH3CBG#AC0 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), 64 KB data flash rated for 125,000 erase/write cycles, and Memory Mirror Function (MMF) enabling flexible firmware load/link address separation.
Connectivity is centered on dual-bus domain integration: ETHERC+EDMAC+EPTPC delivers full IEEE 1588 PTP time synchronization, while USBHS/USBFS modules include on-chip transceivers compliant with USB Battery Charging 1.2. The peripheral set features two SSIE audio interfaces, QSPI for external flash, and dual SDHI supporting SDXC/eMMC 4.51.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables floating-point math and DSP operations without software emulation overhead. |
| Memory | 2 MB code flash (40 MHz zero-wait), 64 KB data flash (125k cycles), 640 KB SRAM (ECC on first 32 KB) - supports large embedded applications with robust data logging and error-resilient execution. |
| Package & Temp | 176-pin BGA (13 mm × 13 mm, 0.8 mm pitch), -40°C to +105°C - qualified for industrial automation and harsh-environment deployments. |
| Security | SCE7 crypto engine: AES-128/192/256, ECC, RSA, SHA256, TRNG, 128-bit UID - provides hardware-rooted trust for secure boot, OTA updates, and TLS offload. |
| Graphics & HMI | GLCDC + 2D Drawing Engine (DRW) + JPEG codec + CTSU - enables local GUI rendering, image compression/decompression, and touch interface without external controllers. |
| Networking | Ethernet MAC (ETHERC) with IEEE 1588 PTP, dual CAN 2.0B, USB 2.0 HS/FS - supports time-critical industrial networking, gateway bridging, and fieldbus coexistence. |
| Analog | Dual 12-bit ADC (22 channels total), dual 12-bit DAC, 6× ACMPHS, 6× PGA, TSN - enables sensor fusion, closed-loop control, and precision analog monitoring in motor drives or power supplies. |
Pinout & Package
176-pin BGA package (13 mm × 13 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL3). Pin functions mapped per Renesas RA6M3 Group datasheet R01DS0358EJ0120.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply / Ground | 2.7–3.6 V core I/O supply; multiple dedicated pairs ensure low-noise operation across high-speed peripherals. |
| XTAL1/XTAL2 | Main clock oscillator input | Supports 8–24 MHz crystal for precise system timing; paired with internal PLL for 120 MHz core clock generation. |
| EXCLK | External clock input | Accepts external clock source (e.g., from Ethernet PHY) for synchronous timing in time-sensitive applications. |
| ETH_MDC/MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO bus for configuring external PHY registers during initialization and runtime. |
| USB_VBUS/USB_ID | USB host/device detection | Enables automatic role switching (host/device) in OTG-like configurations using standard USB cable detection logic. |
| SD0_CLK/SD0_CMD/SD0_DATA[0:3] | SD/MMC Host Interface 0 | 4-bit SD bus supporting SDHC/SDXC cards and eMMC 4.51; enables local storage for firmware, logs, or media assets. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining without CPU intervention - reduces latency and ISR overhead in real-time control loops. |
| Memory Mirror Function (MMF) | Runtime remapping of flash load address to link address - simplifies firmware update mechanisms and eliminates relocation requirements. |
| Sampling Rate Converter (SRC) | Hardware-accelerated audio sample rate conversion for MP3/WMA/AAC streams - offloads CPU in voice-enabled edge devices. |
| Port Output Enable for GPT (POEG) | Safe PWM output disable via dedicated register - prevents unintended actuator activation during reset or fault conditions. |
| Independent Watchdog Timer (IWDT) | Dedicated 15 kHz oscillator ensures fail-safe reset even if main clock fails - critical for functional safety compliance (IEC 61508 SIL2). |
Applications
| Industrial HMI Terminal | Secure Edge Gateway |
|---|---|
|
Use Scenario: Local operator interface for PLC-controlled machinery with touchscreen, real-time status display, and alarm logging. IC Role / Device Role / Timing Role: Primary application processor executing GUI framework, driving 800×480 LCD via GLCDC, sampling analog sensors via ADC12, and managing capacitive touch via CTSU. Use Value: Integrated DRW and JPEG codec reduce external memory bandwidth; 640 KB SRAM accommodates frame buffers and application stack without external SDRAM. |
Use Scenario: Field-deployed protocol translator aggregating Modbus RTU, CANopen, and EtherNet/IP traffic into encrypted MQTT/TLS uplinks. IC Role / Device Role / Timing Role: Secure network hub running lightweight Linux or FreeRTOS, handling IEEE 1588 time sync across industrial networks, and performing AES-GCM encryption via SCE7. Use Value: Dual CAN + ETHERC + USBHS enable concurrent multi-protocol connectivity; hardware crypto accelerates TLS handshake by >10× vs. software-only implementation. |
| Networked Motor Drive Controller | Medical Diagnostic Imaging Module |
|
Use Scenario: Closed-loop servo drive with field-oriented control (FOC), real-time current sensing, and web-based configuration interface. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithm on Cortex-M4+FPU, capturing current feedback via dual ADC12 with PGA, generating PWM via GPT32EH, and serving web UI over Ethernet. Use Value: 120 MHz core + hardware FPU achieves sub-10 µs current loop execution; EPTPC ensures synchronized timestamping of motor events across distributed drives. |
Use Scenario: Portable ultrasound or point-of-care imaging device requiring real-time image capture, compression, and display. IC Role / Device Role / Timing Role: Image acquisition processor interfacing with parallel CMOS sensor via PDC, compressing frames using JPEG codec, rendering UI via GLCDC+DRW, and storing metadata in data flash. Use Value: Parallel Data Capture Unit (PDC) supports 80+ MHz pixel clocks; integrated JPEG engine achieves 30 fps 1280×720 encoding with <5% CPU load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance, secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M3AF3CFB#AA0 | 176-pin LQFP package (24 mm × 24 mm), same core/peripherals but different thermal and layout constraints. | Better suited for prototyping or manual assembly due to larger pitch and exposed pad accessibility. | Select when board-level rework, thermal vias, or legacy LQFP tooling is required; not pin-compatible with R7FA6M3AH3CBG#AC0's BGA. |
| R7FA6M4AF3CFB#AA0 | RA6M4 variant: adds TrustZone support, higher SRAM (1 MB), and enhanced security features (secure boot, debug lockdown). | Required for applications needing PSA Certified Level 2 or IEC 62443-4-2 compliance. | Choose for next-generation designs demanding hardware-isolated secure enclaves; not a drop-in replacement due to TrustZone register map changes. |
Compared with R7FA6M3AH3CBG#AC0, the R7FA6M3AF3CFB#AA0 offers identical functionality in a more serviceable package but with lower I/O density and thermal performance, while the R7FA6M4AF3CFB#AA0 extends security and memory capacity at the cost of architectural divergence and increased BOM cost.
Availability
R7FA6M3AH3CBG#AC0 is available at Aetrix Electronics and suitable for industrial HMI terminals, secure edge gateways, and networked motor drive controllers requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability validation.
Supply support for R7FA6M3AH3CBG#AC0 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 headquartered in Tokyo, Japan, 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 capability, and hardware security - designed to replace legacy 32-bit MCUs while enabling scalable platform development across performance tiers.
FAQ
What is the maximum operating frequency of the R7FA6M3AH3CBG#AC0?
The R7FA6M3AH3CBG#AC0 operates at a maximum frequency of 120 MHz using its Arm Cortex-M4 core with FPU. This speed is achieved with zero wait states on its 2 MB code flash when running at 40 MHz, supported by Flash Cache (FCACHE) and optimized bus architecture. The core maintains full DSP instruction set and IEEE 754-compliant floating-point performance at this frequency.
Does the R7FA6M3AH3CBG#AC0 support IEEE 1588 Precision Time Protocol?
Yes, the R7FA6M3AH3CBG#AC0 integrates a full IEEE 1588-2008 v2.0 Precision Time Protocol (PTP) engine via its Ethernet PTP Controller (EPTPC), which works in conjunction with the ETHERC and EDMAC. It includes SYNFP0 and STCA units for synchronization frame processing and statistical time correction, enabling sub-microsecond time stamping accuracy in industrial Ethernet applications.
What security features does the R7FA6M3AH3CBG#AC0 include?
The R7FA6M3AH3CBG#AC0 incorporates the Secure Crypto Engine 7 (SCE7), providing hardware-accelerated AES-128/192/256, 3DES, ARC4, RSA/ECC, SHA1/SHA224/SHA256, GHASH, and MD5. It also includes a True Random Number Generator (TRNG), 128-bit unique ID, flash area protection, and register write protection - meeting requirements for secure boot and TLS acceleration in IoT deployments.
Which graphics capabilities are integrated into the R7FA6M3AH3CBG#AC0?
The R7FA6M3AH3CBG#AC0 integrates a Graphics LCD Controller (GLCDC), 2D Drawing Engine (DRW), JPEG codec, and Capacitive Touch Sensing Unit (CTSU). The GLCDC supports WVGA+ panels with triple-plane superimposition; DRW enables antialiased rasterization of arbitrary geometry; JPEG handles baseline compression/decompression; and CTSU supports self-capacitive touch sensing with noise immunity.
What is the operating temperature range and package type of the R7FA6M3AH3CBG#AC0?
The R7FA6M3AH3CBG#AC0 is packaged in a 176-pin BGA (13 mm × 13 mm, 0.8 mm pitch) and rated for industrial operation from -40°C to +105°C ambient temperature. This package supports high I/O density and thermal dissipation required for sustained 120 MHz operation in enclosed enclosures or high-ambient environments.
R7FA6M3AH3CBG#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LQFP
- Series:
- RA6M3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- 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:
- 133
- 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:
R7FA6M3AH3CBG#AC0 FAQ
1.How can I place an order for R7FA6M3AH3CBG#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AH3CBG#AC0 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 R7FA6M3AH3CBG#AC0 reliable?
The price and inventory of R7FA6M3AH3CBG#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AH3CBG#AC0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AH3CBG#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AH3CBG#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AH3CBG#AC0?
R7FA6M3AH3CBG#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AH3CBG#AC0 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 R7FA6M3AH3CBG#AC0?
For technical support, including R7FA6M3AH3CBG#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AH3CBG#AC0 requirements.
6.How does Aetrix verify that R7FA6M3AH3CBG#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AH3CBG#AC0 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 R7FA6M3AH3CBG#AC0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AH3CBG#AC0?
All R7FA6M3AH3CBG#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AH3CBG#AC0, 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 R7FA6M3AH3CBG#AC0 part is unused and in its original packaging.
Return procedure for R7FA6M3AH3CBG#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6M3AH3CBG#AC0 Tags
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