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Renesas R7FA6M3AH3CFB#BA0
- Part No.:
- R7FA6M3AH3CFB#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FA6M3AH3CFB#BA0.pdf
- Description:
- MCU RA6 ARM CM4 120MHZ 2M/640K Q
- Quantity:
- Payment:
- Shipping:
Inventory:2,940
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Product details
Overview
R7FA6M3AH3CFB#BA0 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), USB 2.0 High-Speed and Full-Speed modules, and integrated graphics subsystem (GLCDC + DRW) for HMI-rich industrial edge devices.
For engineers reviewing the R7FA6M3AH3CFB#BA0 datasheet, R7FA6M3AH3CFB#BA0 pinout, R7FA6M3AH3CFB#BA0 application, or R7FA6M3AH3CFB#BA0 equivalent, key selection considerations include its 144-pin LQFP package, -40°C to +105°C industrial temperature rating, dual SDHI interfaces for redundant storage, hardware-accelerated AES/SHA/RSA via SCE7, and PTP-enabled Ethernet for time-critical automation networks.
Technical Context
The R7FA6M3AH3CFB#BA0 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 CAN 2.0A/B controllers (32 mailboxes), IEEE 1588-2008-compliant Ethernet with integrated EPTPC for sub-microsecond timestamping, and dual USB controllers - one USBHS (host/device, high-speed capable) and one USBFS (host/device, low-speed support) - both with on-chip transceivers and voltage regulators.
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 (0-wait @ 40 MHz), 64-KB data flash (125k cycles), 640-KB SRAM (ECC on first 32 KB) - supports robust firmware updates and runtime data logging. |
| Package | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), -40°C to +105°C - suitable for industrial PCBs requiring thermal reliability and hand-solderable form factor. |
| Connectivity | Dual CAN, IEEE 1588 Ethernet (ETHERC + EPTPC), USBHS + USBFS, 2× SDHI, QSPI, 3× I²C, 2× SPI, 10× SCI - enables multi-protocol fieldbus integration and secure remote device management. |
| Analog | 2× 12-bit ADC (22 channels total, selectable resolution), 2× 12-bit DAC, 6× ACMPHS, 6× PGA, TSN - supports closed-loop analog sensing and actuation in PLC I/O modules. |
| Security | SCE7 crypto engine: AES-128/192/256, SHA256, RSA/ECC, TRNG, 128-bit UID - provides hardware-rooted secure boot, firmware authentication, and encrypted communication keys. |
| HMI | GLCDC + 2D DRW + JPEG codec + CTSU - enables local GUI rendering (WVGA+), touch interface, and image compression/decompression without external GPU. |
Pinout & Package
144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), with 101 I/O pins (including 21 5-V tolerant), 9 dedicated input pins, 102 pull-up resistors, and 101 N-ch open-drain outputs. Pin functions are defined per Renesas RA6M3 Group datasheet R01DS0358EJ0120.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | 2.7–3.6 V core/io supply; multiple dedicated pairs reduce noise coupling in mixed-signal operation. |
| XTAL / EXTAL | Main clock oscillator input/output | Supports 8–24 MHz crystal for precise timing; required for Ethernet PTP synchronization and USB clock recovery. |
| ETH_MDC / ETH_MDIO | PHY management interface | IEEE 802.3-compliant MDIO bus for configuring external Ethernet PHY registers during initialization. |
| ETH_TXD[3:0] / ETH_RXD[3:0] | Ethernet data lanes | 4-bit transmit/receive data path; used with external PHY for 10/100 Mbps operation and IEEE 1588 timestamp injection. |
| USB_VBUS / USB_ID | USB host/device detection | Enables automatic role switching between USB host and device modes based on VBUS presence and ID pin state. |
| SD0_CLK / SD0_CMD / SD0_DATA[3:0] | SD/MMC Host Interface 0 | Full 4-bit SDHC/SDXC interface with DMA support - enables local firmware update storage and data logging on removable media. |
| CTSU_Sx / CTSU_SO | Capacitive touch sensing inputs | Direct connection to touch electrodes; internal CTSU handles scanning, noise rejection, and proximity detection without CPU overhead. |
| GLCD_D[23:0] / GLCD_HSYNC / GLCD_VSYNC | Graphics LCD data/control | 24-bit parallel RGB interface supporting WVGA+ panels; synchronized by DRW-rendered frame buffers for smooth UI animation. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Decouples firmware load address (flash) from link address (mirror space), enabling seamless OTA updates without linker script changes or runtime relocation. |
| Event Link Controller (ELC) | Hardware routing of peripheral events (e.g., ADC end-of-conversion → GPT start) eliminates CPU polling and ISR latency for deterministic real-time response. |
| Sampling Rate Converter (SRC) | Resamples audio streams (e.g., MP3/WMA output) to match DAC or codec clock domains - essential for jitter-free playback in voice-enabled HMI devices. |
| Port Output Enable for GPT (POEG) | Hardware-gated PWM output control prevents shoot-through in half-bridge motor drivers during startup/fault conditions without software intervention. |
| Independent Watchdog Timer (IWDT) | Dedicated 15-kHz oscillator ensures fail-safe reset even if main clock fails - critical for safety-rated industrial controllers meeting IEC 61508 SIL-2 requirements. |
Applications
| Industrial PLC I/O Module | Smart Gateway for Fieldbus Integration |
|---|---|
Use Scenario: Modular I/O unit collecting analog sensor data, driving solenoids/valves, and communicating over EtherNet/IP or PROFINET. IC Role / Device Role / Timing Role: Central controller executing real-time I/O scan, PID loops, and protocol stack; GLCDC drives local diagnostics display. Use Value: Integrated dual CAN + Ethernet + USB enables native support for multiple fieldbuses; 12-bit ADC/DAC + PGA/ACMPHS allow direct sensor conditioning without external signal chains. | Use Scenario: Protocol translator bridging Modbus RTU (RS-485), CANopen, and MQTT-over-Ethernet in factory edge nodes. IC Role / Device Role / Timing Role: Protocol gateway with deterministic packet forwarding, TLS offload via SCE7, and PTP-synchronized log timestamps. Use Value: Hardware-accelerated crypto and IEEE 1588 PTP ensure secure, time-aligned data ingestion from legacy field devices into cloud platforms. |
| HMI Terminal with Touch & Graphics | Networked Motor Drive Controller |
Use Scenario: Local operator interface for HVAC or packaging machinery with capacitive touch buttons, animated status screens, and JPEG-based icon sets. IC Role / Device Role / Timing Role: HMI processor rendering GUI via DRW, managing touch via CTSU, compressing/decompressing images with JPEG codec. Use Value: On-chip GLCDC + DRW + JPEG eliminates external graphics IC, reducing BOM cost and board area while supporting 800×480 displays at 60 fps. | Use Scenario: Compact servo drive with position feedback (encoder), current sensing, and EtherCAT slave interface. IC Role / Device Role / Timing Role: Motion controller running FOC algorithms using FPU, generating PWM via GPT32EH, synchronizing to EtherCAT cycle via PTP. Use Value: 120-MHz Cortex-M4 + FPU + POEG + high-resolution GPT enables <1 µs PWM dead-time control and sub-microsecond EtherCAT sync jitter. |
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, identical core/peripherals, but 176-pin LQFP package (24 mm × 24 mm) - adds 23 more I/O pins and 2 additional SCI channels. | Better suited for designs requiring >101 I/Os or extra serial interfaces; larger footprint may conflict with space-constrained layouts. | Select when pin count or SCI channel count exceeds R7FA6M3AH3CFB#BA0's 144-pin LQFP limits. |
| R7FA6M4AF3CFB#AA0 | RA6M4 variant: adds TrustZone security, higher SRAM (1 MB), and enhanced Ethernet features (TSN support), but no GLCDC/DRW/JPEG. | Targeted at secure, high-bandwidth networking (e.g., IIoT edge routers); lacks integrated graphics - requires external display controller. | Choose for enhanced security and network determinism where local GUI is handled externally or not required. |
Compared with R7FA6M3AH3CFB#BA0, the R7FA6M3AH3CFC#AA0 offers expanded I/O and serial connectivity in a larger LQFP, while the R7FA6M4AF3CFB#AA0 trades graphics capability for TrustZone, TSN, and doubled SRAM - making it optimal for secure, high-throughput network edge roles rather than HMI-centric control.
Availability
R7FA6M3AH3CFB#BA0 is available at Aetrix Electronics and suitable for industrial automation, smart gateway development, and HMI terminal manufacturing requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7FA6M3AH3CFB#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 Corporation is a global semiconductor leader delivering trusted embedded design innovation 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, functional safety, and human-machine interface integration.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M3AH3CFB#BA0?
The R7FA6M3AH3CFB#BA0 features an Arm Cortex-M4 core with Floating Point Unit (FPU), compliant with the Armv7E-M architecture and DSP instruction set, operating at a maximum frequency of 120 MHz. This enables high-efficiency execution of floating-point math, digital signal processing, and real-time control algorithms - all confirmed in the official Renesas RA6M3 Group datasheet R01DS0358EJ0120.
Does the R7FA6M3AH3CFB#BA0 support IEEE 1588 Precision Time Protocol (PTP) for Ethernet synchronization?
Yes, the R7FA6M3AH3CFB#BA0 integrates a full IEEE 1588-2008 version 2.0-compliant Ethernet PTP Controller (EPTPC) alongside its Ethernet MAC (ETHERC) and DMA controller. It provides hardware timestamping for transmit and receive frames, synchronization frame processing (SYNFP0), and statistical time correction (STCA), enabling sub-microsecond time alignment in industrial automation networks - as documented in Section 29 of the R01DS0358EJ0120 datasheet.
What graphics and HMI peripherals are integrated into the R7FA6M3AH3CFB#BA0?
The R7FA6M3AH3CFB#BA0 integrates a Graphics LCD Controller (GLCDC), 2D Drawing Engine (DRW), JPEG codec, Capacitive Touch Sensing Unit (CTSU), and Parallel Data Capture (PDC) unit. Together, these enable local rendering of WVGA+ displays, hardware-accelerated GUI composition, touch gesture recognition, image compression/decompression, and camera sensor interfacing - eliminating the need for external graphics ICs in HMI terminals.
How does the R7FA6M3AH3CFB#BA0 handle security-critical operations like encryption and key generation?
The R7FA6M3AH3CFB#BA0 incorporates the Secure Crypto Engine 7 (SCE7), which provides hardware-accelerated AES-128/192/256, SHA256, RSA/ECC, 3DES/ARC4, GHASH, and MD5 operations, plus a True Random Number Generator (TRNG) and 128-bit unique ID. These features enable secure boot, firmware authentication, TLS offload, and cryptographic key protection - all detailed in Section 46 of the R01DS0358EJ0120 datasheet.
What package type and temperature grade does the R7FA6M3AH3CFB#BA0 use?
The R7FA6M3AH3CFB#BA0 is supplied in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) rated for industrial operation from -40°C to +105°C ambient temperature. This package provides 101 general-purpose I/O pins (21 of which are 5-V tolerant), making it suitable for space-constrained yet thermally demanding industrial control applications - as specified in Table 1.14 and Section 1.3 of the R01DS0358EJ0120 datasheet.
R7FA6M3AH3CFB#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-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:
- 110
- 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#BA0 FAQ
1.How can I place an order for R7FA6M3AH3CFB#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AH3CFB#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 R7FA6M3AH3CFB#BA0 reliable?
The price and inventory of R7FA6M3AH3CFB#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AH3CFB#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AH3CFB#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AH3CFB#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AH3CFB#BA0?
R7FA6M3AH3CFB#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AH3CFB#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 R7FA6M3AH3CFB#BA0?
For technical support, including R7FA6M3AH3CFB#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AH3CFB#BA0 requirements.
6.How does Aetrix verify that R7FA6M3AH3CFB#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AH3CFB#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 R7FA6M3AH3CFB#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AH3CFB#BA0?
All R7FA6M3AH3CFB#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AH3CFB#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 R7FA6M3AH3CFB#BA0 part is unused and in its original packaging.
Return procedure for R7FA6M3AH3CFB#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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