Renesas R7FA6M3AF3CLK#AC0
- Part No.:
- R7FA6M3AF3CLK#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R7FA6M3AF3CLK#AC0.pdf
- Description:
- RA_FAMILY-2
- Quantity:
- Payment:

- Shipping:

Inventory:416
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Product details
Overview
R7FA6M3AF3CLK#AC0 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 applications in industrial automation and networked edge devices.
For engineers reviewing the R7FA6M3AF3CLK#AC0 datasheet, R7FA6M3AF3CLK#AC0 pinout, R7FA6M3AF3CLK#AC0 application, or R7FA6M3AF3CLK#AC0 equivalent, key selection considerations include its 145-pin LGA package, -40°C to +105°C industrial temperature grade, dual SDHI interfaces for redundant storage, hardware-accelerated AES/SHA/RSA crypto (SCE7), and memory protection features including ECC on first 32 KB of SRAM.
Technical Context
The R7FA6M3AF3CLK#AC0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time control and signal processing. Its system-level integration includes an Event Link Controller (ELC) enabling peripheral-to-peripheral event chaining without CPU intervention, and dual DMA controllers (8-channel DMAC + DTC) for zero-CPU data movement across peripherals like SDHI, USBHS, and SSIE.
It integrates safety-critical functions including SRAM ECC and parity checking, Flash area protection, ADC self-diagnosis, CAC clock accuracy monitoring, and independent watchdog (IWDT) with dedicated 15-kHz oscillator - all aligned with IEC 61508 functional safety requirements for industrial control systems.
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 (40 MHz zero-wait), 64-KB data flash (125k erase cycles), 640-KB SRAM - supports large firmware images, field-upgradable parameter storage, and real-time buffer allocation. |
| Connectivity | Ethernet MAC (IEEE 1588 PTP), dual CAN 2.0B, USB 2.0 HS/FS, dual SDHI, QSPI, 3× I²C, 2× SPI, 10× SCI - enables deterministic time-synchronized networking, automotive-grade bus communication, and high-bandwidth storage expansion. |
| Analog | 2× 12-bit ADC (22 ch total, 8/10/12-bit selectable), 2× 12-bit DAC, 6× ACMPHS, 6× PGA, TSN - supports precision sensor acquisition, closed-loop analog output control, and on-die temperature monitoring. |
| Graphics & HMI | GLCDC + 2D DRW + JPEG codec + CTSU - renders multi-layer GUIs, accelerates image compositing and scaling, decodes compressed assets, and enables touch-enabled front panels. |
| Security | SCE7 crypto engine with AES-128/192/256, SHA256, RSA/ECC, TRNG, 128-bit UID - provides hardware-rooted secure boot, encrypted firmware updates, and key management for IoT device identity. |
| Package & Temp | 145-pin LGA (7 mm × 7 mm, 0.5 mm pitch), -40°C to +105°C - compact industrial-grade封装 suitable for space-constrained, thermally demanding environments. |
Pinout & Package
145-pin LGA package (7 mm × 7 mm, 0.5 mm pitch), optimized for high-density PCB layouts and thermal performance in industrial enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | 2.7–3.6 V core/io supply; multiple pins ensure low-impedance distribution and noise immunity for mixed-signal operation. |
| CLKIN, CLKOUT | External clock input/output | Supports 8–24 MHz main oscillator (MOSC); CLKOUT enables traceable clock distribution to external PHY or sensors. |
| ETH_MDC, ETH_MDIO, ETH_TXD[3:0], ETH_RXD[3:0] | Ethernet MAC interface | Direct connection to external PHY; supports IEEE 1588 PTP timestamping via dedicated EPTPC hardware. |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 High-Speed interface | On-chip transceiver with voltage regulator; supports host/device mode and Battery Charging Spec 1.2 negotiation. |
| SD0_CLK, SD0_CMD, SD0_DATA[7:0] | SD/MMC Host Interface 0 | Full 8-bit SDXC support; enables high-speed local storage for logging, firmware updates, or media playback. |
| CTSU_Sx, CTSU_SO | Capacitive Touch Sensing Unit | Dedicated sigma-delta channels for up to 32-button touch panel with proximity detection and noise rejection. |
| GLCD_D[23:0], GLCD_HSYNC, GLCD_VSYNC | Graphics LCD Controller output | 24-bit RGB parallel interface supporting WVGA+ panels; synchronized by hardware-timed signals for flicker-free display. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables seamless firmware updates by redirecting execution from mirrored flash address space - no bootloader relocation required. |
| Event Link Controller (ELC) | Eliminates CPU polling/interrupt latency by triggering GPT timers, ADC conversions, or DMA transfers directly from peripheral events (e.g., timer overflow → ADC start). |
| Secure Crypto Engine 7 (SCE7) | Accelerates AES-GCM encryption/decryption at >20 MB/s and ECDSA signing in <15 ms - meets TLS 1.2/1.3 handshake timing for secure OTA updates. |
| Sampling Rate Converter (SRC) | Resamples audio streams (MP3/WMA/AAC) in hardware at up to 192 kHz - offloads CPU for voice UI or industrial audio monitoring. |
| Port Output Enable for GPT (POEG) | Hardware-gated PWM outputs prevent shoot-through during startup/fault conditions - critical for IGBT/MOSFET gate driving in motor inverters. |
Applications
| Industrial PLC Controller | Smart Energy Gateway |
|---|---|
Use Scenario: Real-time logic execution, analog I/O conditioning, and EtherCAT/PROFINET gateway bridging in modular control cabinets. IC Role / Device Role / Timing Role: Main application processor with deterministic interrupt latency (<1 µs), dual CAN for fieldbus interfacing, and IEEE 1588 PTP for sub-microsecond time synchronization across distributed I/O. Use Value: Integrated GLCDC and CTSU enable built-in HMI for commissioning and diagnostics; SCE7 secures remote configuration and firmware updates over TLS. | Use Scenario: Aggregating metering data (AMI), managing EVSE charging protocols, and enforcing grid compliance (IEEE 1547, UL 1741 SA). IC Role / Device Role / Timing Role: Secure edge node with dual SDHI for redundant data logging, hardware crypto for SEPP/SEP2 authentication, and RTC with VBATT backup for time-stamped event recording. Use Value: 640-KB SRAM buffers burst telemetry; SRC and SSIE process acoustic fault detection audio; Ethernet PTP aligns phase measurements across distributed sensors. |
| Medical Imaging Console | Networked Building Automation Panel |
Use Scenario: Touch-enabled diagnostic display console interfacing with ultrasound or X-ray subsystems via parallel camera capture (PDC) and JPEG decode. IC Role / Device Role / Timing Role: Graphics subsystem controller with GLCDC driving 800×480 LCD, DRW compositing UI layers and overlays, JPEG codec decompressing DICOM thumbnails in <50 ms. Use Value: Dual SSIE interfaces stream audio alerts and voice commands; 12-bit DAC outputs calibrated reference voltages for sensor calibration routines. | Use Scenario: BACnet/IP or KNX-over-IP wall-mounted HMI with environmental sensing, occupancy detection, and HVAC actuator control. IC Role / Device Role / Timing Role: Central HMI processor with CTSU supporting 12-key capacitive keypad, Ethernet for IP backbone connectivity, and AGT timers managing low-power occupancy sensing intervals. Use Value: 2-MB flash stores localized UI assets and firmware; SCE7 signs BACnet MSTP frames; 5-V tolerant GPIOs interface directly with legacy 24 V DC building sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M3AH3CFB#AA0 | 144-pin LQFP package; same core/peripherals but lacks 5-V tolerant I/O and has reduced SRAM (512 KB vs. 640 KB). | Better suited for prototyping or cost-sensitive designs where PCB rework for LGA is impractical. | Select when lead-free LQFP assembly infrastructure exists and 5-V interface compatibility is not required. |
| R7FA6M4AF3CFB#AA0 | Same RA6M3 pinout but upgraded to 16 MB Octa-SPI interface and enhanced security (SCE8), no GLCDC/DRW. | Targets headless secure gateways needing higher external memory bandwidth but no local display. | Choose when prioritizing external flash throughput and advanced crypto over integrated graphics. |
Compared with R7FA6M3AF3CLK#AC0, the R7FA6M3AH3CFB#AA0 offers easier hand-soldering and lower assembly cost but sacrifices 5-V tolerance and 128 KB SRAM; the R7FA6M4AF3CFB#AA0 trades graphics capability for Octa-SPI bandwidth and SCE8 - making it optimal for secure, non-display edge nodes.
Availability
R7FA6M3AF3CLK#AC0 is available at Aetrix Electronics and suitable for industrial PLC controllers, smart energy gateways, medical imaging consoles, and networked building automation panels requiring stable component supply, long-term lifecycle support, and guaranteed industrial temperature operation.
Supply support for R7FA6M3AF3CLK#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 applications, with deep expertise in MCU, analog, power, and connectivity technologies.
The RA6M3 Group targets high-performance, secure, and graphics-capable industrial HMI and networked edge applications - designed to replace legacy 32-bit MCUs while providing scalable software compatibility across the RA portfolio.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M3AF3CLK#AC0?
The R7FA6M3AF3CLK#AC0 features an Arm Cortex-M4 core with Floating Point Unit (FPU), operating at a maximum frequency of 120 MHz. It implements the Armv7E-M architecture with DSP instruction set and supports a 4-GB address space. This architecture enables high-efficiency real-time signal processing and control tasks, making the R7FA6M3AF3CLK#AC0 suitable for demanding industrial and HMI applications.
Does the R7FA6M3AF3CLK#AC0 support IEEE 1588 Precision Time Protocol for Ethernet synchronization?
Yes, the R7FA6M3AF3CLK#AC0 integrates an Ethernet MAC Controller (ETHERC) with a dedicated Ethernet PTP Controller (EPTPC) compliant with IEEE 1588-2008 version 2.0. The EPTPC includes a Synchronization Frame Processing unit (SYNFP0) and Statistical Time Correction Algorithm (STCA) unit, enabling sub-microsecond time synchronization across distributed industrial networks - a key requirement for R7FA6M3AF3CLK#AC0 deployments in PLCs and energy gateways.
What graphics and human-machine interface capabilities does the R7FA6M3AF3CLK#AC0 provide?
The R7FA6M3AF3CLK#AC0 integrates a full graphics subsystem comprising a Graphics LCD Controller (GLCDC), 2D Drawing Engine (DRW), JPEG codec, and Capacitive Touch Sensing Unit (CTSU). The GLCDC supports WVGA+ displays with three overlay planes; the DRW accelerates anti-aliased rendering; the JPEG codec decodes baseline-compliant images in under 50 ms; and the CTSU handles up to 32 touch electrodes. These features make the R7FA6M3AF3CLK#AC0 ideal for standalone HMI applications without external GPU support.
How does the R7FA6M3AF3CLK#AC0 ensure functional safety and reliability in industrial environments?
The R7FA6M3AF3CLK#AC0 incorporates multiple safety mechanisms including SRAM ECC (first 32 KB) and parity checking, Flash area protection, ADC self-diagnosis, Clock Frequency Accuracy Measurement Circuit (CAC), Independent Watchdog Timer (IWDT) with dedicated 15-kHz oscillator, and illegal memory access detection. These features align with IEC 61508 requirements and enable robust operation in harsh industrial settings - directly enhancing system integrity for R7FA6M3AF3CLK#AC0-based control platforms.
What security features are implemented in the R7FA6M3AF3CLK#AC0's Secure Crypto Engine 7 (SCE7)?
The R7FA6M3AF3CLK#AC0's SCE7 provides hardware-accelerated cryptographic operations including AES-128/192/256, SHA256, RSA/ECC, 3DES, ARC4, GHASH, and MD5, plus a True Random Number Generator (TRNG) and 128-bit unique ID. It supports secure boot, encrypted firmware updates, and TLS 1.2/1.3 handshake acceleration - delivering root-of-trust functionality essential for secure IoT and industrial edge deployments using the R7FA6M3AF3CLK#AC0.
R7FA6M3AF3CLK#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®-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:
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M3AF3CLK#AC0 FAQ
1.How can I place an order for R7FA6M3AF3CLK#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AF3CLK#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 R7FA6M3AF3CLK#AC0 reliable?
The price and inventory of R7FA6M3AF3CLK#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AF3CLK#AC0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AF3CLK#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AF3CLK#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AF3CLK#AC0?
R7FA6M3AF3CLK#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AF3CLK#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 R7FA6M3AF3CLK#AC0?
For technical support, including R7FA6M3AF3CLK#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AF3CLK#AC0 requirements.
6.How does Aetrix verify that R7FA6M3AF3CLK#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AF3CLK#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 R7FA6M3AF3CLK#AC0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AF3CLK#AC0?
All R7FA6M3AF3CLK#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AF3CLK#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 R7FA6M3AF3CLK#AC0 part is unused and in its original packaging.
Return procedure for R7FA6M3AF3CLK#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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