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Renesas R7FA6M3AF2CLK#AC0
- Part No.:
- R7FA6M3AF2CLK#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R7FA6M3AF2CLK#AC0.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 145TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:416
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Product details
Overview
R7FA6M3AF2CLK#AC0 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/EDMAC/EPTPC), USB 2.0 High-Speed and Full-Speed modules, QSPI, SDHI × 2, and integrated graphics subsystem (GLCDC + DRW + JPEG codec) for HMI-rich industrial edge devices.
For engineers reviewing the R7FA6M3AF2CLK#AC0 datasheet, R7FA6M3AF2CLK#AC0 pinout, R7FA6M3AF2CLK#AC0 application, or R7FA6M3AF2CLK#AC0 equivalent, key selection considerations include IEEE 1588 PTP timing accuracy, dual-CAN bus redundancy, on-chip graphics acceleration, secure boot via SCE7 crypto engine, and 176-pin LQFP package compatibility with industrial temperature range (−40°C to +105°C).
Technical Context
The R7FA6M3AF2CLK#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 independent communication stacks: one for time-critical industrial networking (ETHERC + EPTPC + CAN × 2) and another for multimedia I/O (SSIE × 2, SDHI × 2, USBHS/USBFS, QSPI). Analog integration includes dual 12-bit ADCs with PGA × 6 and ACMPHS × 6, while safety is enforced via IWDT, CAC, CRC calculator, DOC, and MPU with 8 regions.
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. |
| Memory | 2 MB code flash (0-wait @ 40 MHz), 640 KB SRAM (ECC on first 32 KB) - supports large real-time OS images and safety-critical data buffers. |
| Connectivity | Ethernet MAC + IEEE 1588 PTP (EPTPC), CAN × 2, USB 2.0 HS/FS, QSPI, SDHI × 2 - enables synchronized multi-protocol industrial gateways. |
| Analog | ADC12 × 2 (12-/10-/8-bit selectable), DAC12 × 2, ACMPHS × 6, PGA × 6 - supports sensor fusion, closed-loop motor control, and analog monitoring. |
| Graphics & HMI | GLCDC + DRW + JPEG codec + CTSU - accelerates GUI rendering, image decode, capacitive touch, and reduces host CPU load. |
| Security | SCE7 crypto engine (AES-128/192/256, RSA/ECC, TRNG, SHA256, 128-bit UID) - enables secure boot, firmware authentication, and encrypted communications. |
| Package & Temp | 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), −40°C to +105°C - suitable for convection-cooled industrial control panels and motor drives. |
Pinout & Package
176-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, with 124 CMOS I/O pins, 9 dedicated inputs, 21 5 V-tolerant pins, and 18 high-current (20 mA) outputs. Pin functions are defined per Renesas RA6M3 Group datasheet R01DS0358EJ0120.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | 2.7–3.6 V core/io supply; decoupling required per datasheet layout guidelines for noise immunity. |
| XTAL1/XTAL2 | Main clock oscillator input | Supports 8–24 MHz crystal for precise system timing; used by ETHERC, USB, and RTC synchronization paths. |
| ETH_MDC/MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO bus for PHY configuration and status polling in industrial Ethernet applications. |
| CAN0_TX/CAN0_RX | Controller Area Network channel 0 | Differential CAN 2.0B physical layer interface; supports 1 Mbps baud rate and bus-off recovery for motor control networks. |
| USB_VBUS/USB_DP/USB_DM | USB 2.0 High-Speed transceiver | On-chip transceiver with voltage regulator; supports host/device mode, BC 1.2 charging detection, and full-speed fallback. |
| SD0_CLK/SD0_CMD/SD0_DATA[0:3] | SD/MMC Host Interface 0 | 4-bit SDHC/SDXC interface supporting UHS-I SDR25 mode; enables local firmware update storage and data logging. |
| QSPI_IO0–QSPI_IO3 | Quad SPI interface | Configurable as memory-mapped XIP interface for external flash; reduces boot time and extends code space beyond on-chip flash. |
| CTSU_S0–CTSU_S15 | Capacitive Touch Sensing Unit channels | 16-channel self-capacitance sensing with hardware-based noise rejection; enables robust touch buttons/sliders without external ICs. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Precision Time Protocol (PTP) | Hardware-accelerated timestamping and correction (SYNFP0 + STCA units) enables sub-microsecond clock synchronization across Ethernet nodes. |
| Memory Mirror Function (MMF) | Maps flash load address to configurable link address in 23-bit mirror space - simplifies OTA updates and eliminates linker script complexity. |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering without CPU intervention - enables deterministic response for motor control PWM and ADC sampling. |
| Secure Crypto Engine 7 (SCE7) | Hardware-accelerated AES/RSA/ECC with TRNG and key wrapping - meets IEC 62443-3-3 SL2 requirements for secure firmware signing. |
| Graphics LCD Controller (GLCDC) | Triple-plane overlay (background + 2 graphics layers), WVGA+ output, GPX bus master - drives color TFT displays up to 800×480 with zero CPU overhead. |
| Sampling Rate Converter (SRC) | Real-time audio sample rate conversion (e.g., 44.1 kHz ↔ 48 kHz) for SSIE-linked codecs - eliminates external SRC IC in voice-enabled HMI designs. |
Applications
| Industrial Ethernet Gateway | Human-Machine Interface (HMI) Panel |
|---|---|
Use Scenario: Aggregating Modbus TCP, CANopen, and EtherCAT fieldbus data into a unified OPC UA server over 100BASE-TX Ethernet. IC Role / Device Role / Timing Role: R7FA6M3AF2CLK#AC0 serves as protocol translation hub with IEEE 1588 PTP ensuring deterministic inter-node timing alignment. Use Value: Dual CAN + ETHERC + EPTPC enables synchronized multi-bus acquisition and time-stamped event logging without external timing hardware. |
Use Scenario: Embedded operator panel with 7-inch WVGA TFT display, capacitive touch overlay, and JPEG-decoded alarm icons. IC Role / Device Role / Timing Role: R7FA6M3AF2CLK#AC0 executes GUI rendering via GLCDC/DRW, touch sensing via CTSU, and image decode via JPEG codec. Use Value: Hardware-accelerated graphics offloads ARM core, enabling 60 fps UI updates while running real-time control tasks concurrently. |
| Secure Edge Node for IIoT | Motor Drive Control Unit |
Use Scenario: Field-deployed predictive maintenance sensor node performing vibration FFT analysis and encrypted telemetry upload via TLS. IC Role / Device Role / Timing Role: R7FA6M3AF2CLK#AC0 performs sensor fusion (ADC + TSN), cryptographic signing (SCE7), and secure network stack execution. Use Value: On-chip AES-256, TRNG, and SHA256 eliminate need for external secure element - reducing BOM cost and attack surface. |
Use Scenario: Brushless DC motor controller with hall-effect commutation, current sensing, and real-time torque regulation. IC Role / Device Role / Timing Role: R7FA6M3AF2CLK#AC0 runs FOC algorithm using GPT32EH timers, ADC12 sampling, and DAC12 feedback loop closure. Use Value: 120 MHz FPU + 640 KB SRAM enables high-frequency PWM (≥20 kHz) with floating-point PID and observer-based control. |
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 |
|---|---|---|---|
| R7FA6M3AH2CFB#AA0 | Same RA6M3 core, 144-pin LQFP, 100 MHz max frequency, 1 MB flash, no Ethernet MAC or PTP | Lacks IEEE 1588 Ethernet and dual CAN - suitable for non-networked HMI or motor control where size/cost outweigh connectivity needs. | Select when Ethernet and PTP are unnecessary and PCB footprint must be minimized (20 mm × 20 mm vs. 24 mm × 24 mm). |
| R7FA6M4AF2CLK#AC0 | RA6M4 variant: adds TrustZone, enhanced SCE8, 16 KB cache, but same pinout and peripherals; 120 MHz, 2 MB flash | Enables secure partitioning of firmware (secure/non-secure worlds) and certified bootloader - required for IEC 62443-4-2 Level 1 compliance. | Choose when hardware-enforced security isolation and certified secure boot are mandatory, accepting higher unit cost and toolchain migration effort. |
Compared with R7FA6M3AH2CFB#AA0, the R7FA6M3AF2CLK#AC0 delivers full industrial Ethernet timing and dual-CAN redundancy at no pinout change; versus R7FA6M4AF2CLK#AC0, it trades TrustZone and cache for lower cost and mature toolchain support in established designs.
Availability
R7FA6M3AF2CLK#AC0 is available at Aetrix Electronics and suitable for industrial gateways, HMI panels, IIoT edge nodes, and motor drive controllers requiring stable component supply across extended temperature and long product lifecycles.
Supply support for R7FA6M3AF2CLK#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with over 40 years of MCU innovation.
The RA6M3 Group targets high-end industrial and building automation applications requiring real-time performance, rich graphics, functional safety, and cybersecurity - designed to replace legacy 32-bit MCUs with scalable Arm-based platforms.
FAQ
What is the maximum operating frequency and core type of the R7FA6M3AF2CLK#AC0?
The R7FA6M3AF2CLK#AC0 features an Arm Cortex-M4 core with Floating Point Unit (FPU), operating at a maximum frequency of 120 MHz. This enables high-throughput signal processing, real-time control algorithms, and efficient execution of floating-point math without software emulation - critical for motor control and industrial analytics workloads.
Does the R7FA6M3AF2CLK#AC0 support IEEE 1588 Precision Time Protocol (PTP)?
Yes, the R7FA6M3AF2CLK#AC0 integrates a dedicated Ethernet PTP Controller (EPTPC) compliant with IEEE 1588-2008 v2.0. It includes hardware timestamping units (SYNFP0) and statistical time correction (STCA) to achieve sub-microsecond synchronization accuracy across Ethernet networks - essential for coordinated motion control and distributed I/O systems.
What graphics and human-machine interface (HMI) capabilities does the R7FA6M3AF2CLK#AC0 provide?
The R7FA6M3AF2CLK#AC0 integrates a Graphics LCD Controller (GLCDC), 2D Drawing Engine (DRW), JPEG codec, and Capacitive Touch Sensing Unit (CTSU). Together, they enable hardware-accelerated GUI rendering, image decoding, and touch input processing - allowing full-color WVGA+ displays and responsive touch interfaces without burdening the main CPU.
How many CAN interfaces does the R7FA6M3AF2CLK#AC0 support, and what standards are implemented?
The R7FA6M3AF2CLK#AC0 supports two Controller Area Network (CAN) modules compliant with ISO 11898-1 (CAN 2.0A/B), each with up to 32 configurable mailboxes and support for both standard (11-bit) and extended (29-bit) identifiers. These interfaces operate independently and are suitable for redundant fieldbus communication in motor drives and PLC backplanes.
What security features are included in the R7FA6M3AF2CLK#AC0's Secure Crypto Engine 7 (SCE7)?
The R7FA6M3AF2CLK#AC0 embeds SCE7 with hardware-accelerated AES-128/192/256, RSA/ECC, SHA256, TRNG, and 128-bit unique ID. It supports secure boot, firmware authentication, and encrypted communications - meeting foundational requirements for IEC 62443-3-3 SL2 and enabling root-of-trust implementation without external secure elements.
R7FA6M3AF2CLK#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 145-TFLGA
- 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:
- 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 22x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M3AF2CLK#AC0 FAQ
1.How can I place an order for R7FA6M3AF2CLK#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AF2CLK#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 R7FA6M3AF2CLK#AC0 reliable?
The price and inventory of R7FA6M3AF2CLK#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AF2CLK#AC0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AF2CLK#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AF2CLK#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AF2CLK#AC0?
R7FA6M3AF2CLK#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AF2CLK#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 R7FA6M3AF2CLK#AC0?
For technical support, including R7FA6M3AF2CLK#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AF2CLK#AC0 requirements.
6.How does Aetrix verify that R7FA6M3AF2CLK#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AF2CLK#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 R7FA6M3AF2CLK#AC0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AF2CLK#AC0?
All R7FA6M3AF2CLK#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AF2CLK#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 R7FA6M3AF2CLK#AC0 part is unused and in its original packaging.
Return procedure for R7FA6M3AF2CLK#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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