Renesas R7FA6M3AH3CLK#AC0
- Part No.:
- R7FA6M3AH3CLK#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R7FA6M3AH3CLK#AC0.pdf
- Description:
- RA_FAMILY-2
- Quantity:
- Payment:

- Shipping:

Inventory:300
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Product details
Overview
R7FA6M3AH3CLK#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), USB 2.0 High-Speed and Full-Speed, QSPI, SDHI, GLCDC, DRW, CTSU, and SCE7 cryptographic engine - deployed in industrial HMI gateways requiring real-time control, secure connectivity, and graphics rendering.
For engineers reviewing the R7FA6M3AH3CLK#AC0 datasheet, R7FA6M3AH3CLK#AC0 pinout, R7FA6M3AH3CLK#AC0 application, or R7FA6M3AH3CLK#AC0 equivalent, key selection criteria include IEEE 1588 PTP timing accuracy, dual-CAN bus redundancy, on-chip graphics acceleration (GLCDC + DRW), hardware crypto acceleration (AES-256, ECC, TRNG), and 176-pin LGA package compatibility with space-constrained edge nodes.
Technical Context
The R7FA6M3AH3CLK#AC0 integrates an Armv7E-M core with DSP extensions and single-precision FPU, supported by 8-region MPU and ETM debugging. Its memory subsystem includes ECC-protected SRAM (first 32 KB), MMF for flexible firmware loading, and 64-KB data flash rated for 125,000 erase/write cycles.
Connectivity is centered on dual independent CAN 2.0B controllers, IEEE 1588-compliant ETHERC+EDMAC+EPTPC stack, USBHS/USBFS with on-chip transceivers, and dual SSIE audio interfaces supporting up to 8-channel I2S - all coordinated via ELC for CPU-free peripheral chaining and DMAC/DTC for zero-CPU data movement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables real-time deterministic control with floating-point math for motor algorithms or sensor fusion. |
| 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 safety-critical data retention. |
| Connectivity | Dual CAN 2.0B, IEEE 1588 Ethernet MAC (ETHERC), USB 2.0 HS/FS, QSPI, dual SDHI, 3×I²C, 2×SPI, 10×SCI - enables multi-protocol industrial gateway operation without external bridges. |
| Analog | 2×12-bit ADC12 (22 ch total, 8/10/12-bit res), 2×DAC12, 6×ACMPHS, 6×PGA, TSN - supports precision analog sensing and closed-loop actuator control. |
| Graphics & HMI | GLCDC + DRW + JPEG codec + CTSU - renders WVGA+ GUIs with antialiased 2D primitives, compresses/decompresses images in hardware, and detects touch without host CPU load. |
| Security | SCE7 with AES-128/192/256, ECC, RSA, SHA256, TRNG, 128-bit UID - provides certified cryptographic offload for TLS, secure boot, and device identity binding. |
| Package | 145-pin LGA (7 mm × 7 mm, 0.5 mm pitch), 21× 5-V-tolerant I/O - enables compact, thermally efficient layout for fanless industrial enclosures. |
Pinout & Package
145-pin LGA package (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, designed for reflow soldering and high-density PCB layouts in industrial environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply / Ground | 2.7–3.6 V core logic supply; dedicated analog/digital ground separation reduces noise coupling in mixed-signal operation. |
| CLKIN, CLKOUT | External clock input/output | Supports 8–24 MHz main oscillator (MOSC); CLKOUT enables traceable clock distribution to companion PHY or sensors. |
| ETH_MDC, ETH_MDIO, ETH_TXD[0:3], ETH_RXD[0:3], ETH_CRS, ETH_COL | Ethernet MAC interface | Direct connection to IEEE 802.3-compliant PHY; MDC/MDIO manages PHY registers; PTP timestamping enabled via EPTPC-linked GPIOs. |
| USB_VBUS, USB_DP, USB_DM, USB_ID | USB 2.0 High-Speed interface | On-chip transceiver supports host/device mode; VBUS detection and ID pin enable OTG role negotiation without external switches. |
| CTSU_Sx, CTSU_SO | Capacitive touch sensing | Dedicated CTSU pins support self- and mutual-capacitance measurement across up to 32 electrodes with noise immunity for front-panel HMI. |
| GLCD_D[0:23], GLCD_HSYNC, GLCD_VSYNC, GLCD_CLK, GLCD_DE | Graphics LCD interface | 24-bit RGB parallel output with programmable timing; supports WVGA (800×480) and higher resolutions directly driving TFT panels. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Precision Time Protocol (PTP) | EPTPC hardware block synchronizes network timestamps to ±50 ns over Ethernet, enabling deterministic motion control and distributed I/O sampling. |
| Memory Mirror Function (MMF) | Maps flash-resident firmware image to fixed link address in 23-bit mirror space - eliminates relocation code and simplifies OTA update validation. |
| Event Link Controller (ELC) | Routes 128+ peripheral events (e.g., ADC end-of-conversion → DMA trigger → GPT capture) without CPU intervention, reducing latency and ISR overhead. |
| Secure Crypto Engine 7 (SCE7) | Accelerates AES-256 encryption/decryption at >20 MB/s, RSA-2048 signing in <12 ms, and SHA256 hashing - meets IEC 62443-3-3 SL2 requirements out of box. |
| Graphics Subsystem (GLCDC + DRW) | Offloads GUI rendering: DRW rasterizes antialiased shapes at 1 px/clock; GLCDC overlays three planes with alpha blending - cuts CPU load by >70% vs software-only rendering. |
Applications
| Industrial HMI Gateway | Smart Energy Meter Hub |
|---|---|
Use Scenario: Central controller in factory HMIs integrating PLC data, local display, capacitive touch, and cloud telemetry via Ethernet/USB. IC Role / Device Role / Timing Role: Main application processor executing RTOS, managing GLCDC/DRW for 800×480 GUI, running CTSU for 12-button overlay, and synchronizing CAN/Ethernet timestamps via EPTPC. Use Value: Single-chip replaces MCU + FPGA + graphics ASIC; MMF enables field-upgradable firmware; SCE7 secures OTA updates and TLS handshakes. | Use Scenario: Multi-utility meter aggregator collecting data from submeters (CAN, RS-485 via SCI), storing logs in data flash, and transmitting via Ethernet with PTP-stamped billing intervals. IC Role / Device Role / Timing Role: Real-time data concentrator with dual CAN for legacy meter interfacing, RTC + PTP for precise 15-min interval logging, and ECC-SRAM for tamper-resistant event storage. Use Value: Meets IEC 62056-21 and IEEE 1377 (DLMS/COSEM) with hardware-accelerated crypto; 125k-cycle data flash ensures 10+ years of daily log writes. |
| Medical Infusion Pump Controller | Building Automation Edge Node |
Use Scenario: Safety-certified pump controller requiring motor control (GPT PWM), analog pressure/flow sensing (ADC12+PGA), and secure UI (CTSU+GLCDC). IC Role / Device Role / Timing Role: ASIL-B capable controller using IWDT, SRAM ECC, flash protection, and ADC self-diagnosis - GPT32EH delivers 100 ns PWM resolution for stepper/servo drive. Use Value: Integrated safety mechanisms reduce FMEDA effort; dual DAC12 outputs drive analog actuators; SCE7 signs audit logs per FDA 21 CFR Part 11. | Use Scenario: BACnet/IP-to-BACnet MS/TP gateway bridging Ethernet HVAC controllers to legacy RS-485 field devices via dual CAN/SCI. IC Role / Device Role / Timing Role: Protocol translator with ETHERC handling BACnet/IP UDP packets, dual CAN managing MS/TP arbitration, and ELC synchronizing temperature sampling (ADC12) with HVAC cycle timing. Use Value: Eliminates external protocol bridge IC; PTP ensures synchronized zone temperature reporting across distributed controllers; low-power AGT timers extend battery life in wireless sensor nodes. |
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 (20 mm × 20 mm), 101 I/O, same core/peripherals but no 5-V-tolerant pins | Better suited for prototyping or cost-sensitive designs where PCB area is less constrained and 5-V interfacing is unnecessary | Select when manual assembly or socket-based development is preferred; footprint incompatible with R7FA6M3AH3CLK#AC0's LGA. |
| R7FA6M4AF3CFB#AA0 | Same RA6M4 series, adds TrustZone, 16-MB Octa-SPI XIP support, and enhanced SCE7 (AES-GCM), but reduces SRAM to 512 KB | Targeted at higher-security applications requiring secure boot, encrypted firmware XIP, and PSA Certified Level 2 | Choose for new designs demanding hardware-enforced isolation; not drop-in due to different memory map and TrustZone register layout. |
Compared with R7FA6M3AH3CLK#AC0, the R7FA6M3AH3CFB#AA0 offers identical functionality in a larger, hand-solderable LQFP package but lacks 5-V tolerance - ideal for lab validation. The R7FA6M4AF3CFB#AA0 upgrades security and external memory capability at the expense of SRAM size and introduces architectural changes that require firmware adaptation.
Availability
R7FA6M3AH3CLK#AC0 is available at Aetrix Electronics and suitable for industrial HMI gateways, smart energy meter hubs, medical infusion pump controllers, and building automation edge nodes requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability.
Supply support for R7FA6M3AH3CLK#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 design innovation, with annual revenue exceeding $10 billion and operations spanning 20+ countries.
The RA6M3 Group targets high-performance, secure, and graphics-capable industrial and IoT edge applications - designed to unify real-time control, rich HMI, deterministic networking, and hardware-rooted security in a single chip.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M3AH3CLK#AC0?
The R7FA6M3AH3CLK#AC0 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-throughput signal processing and real-time control tasks while maintaining binary compatibility with existing Cortex-M4 toolchains and RTOS ports. The R7FA6M3AH3CLK#AC0 also includes an 8-region Memory Protection Unit (MPU) and ETM trace support for system-level debugging.
Does the R7FA6M3AH3CLK#AC0 support IEEE 1588 Precision Time Protocol (PTP) for Ethernet synchronization?
Yes, the R7FA6M3AH3CLK#AC0 integrates a dedicated Ethernet PTP Controller (EPTPC) compliant with IEEE 1588-2008 version 2.0. It works in conjunction with the Ethernet MAC Controller (ETHERC) and Ethernet DMA Controller (EDMAC) to provide hardware timestamping with sub-100 ns accuracy. The EPTPC includes a Synchronization Frame Processing unit (SYNFP0) and Statistical Time Correction Algorithm (STCA) unit, enabling deterministic time synchronization essential for industrial motion control and distributed I/O systems.
What graphics and human-machine interface (HMI) peripherals are integrated into the R7FA6M3AH3CLK#AC0?
The R7FA6M3AH3CLK#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+ parallel RGB interfaces, the DRW performs antialiased rasterization at 1 pixel per clock, and the CTSU handles up to 32 self- or mutual-capacitance electrodes. These peripherals collectively enable rich, responsive GUIs with minimal CPU load - critical for R7FA6M3AH3CLK#AC0-based industrial HMIs and medical displays.
How does the R7FA6M3AH3CLK#AC0 implement hardware security for firmware and communications?
The R7FA6M3AH3CLK#AC0 embeds the Secure Crypto Engine 7 (SCE7), which accelerates AES-128/192/256, 3DES, ARC4, SHA1/224/256, MD5, GHASH, RSA, DSA, and ECC cryptographic operations. It includes a True Random Number Generator (TRNG), 128-bit unique ID, and flash area protection. SCE7 enables secure boot verification, TLS 1.2/1.3 handshake acceleration, and encrypted firmware updates - meeting IEC 62443-3-3 SL2 requirements without external security elements.
What package type and pin count does the R7FA6M3AH3CLK#AC0 use, and what are its key I/O characteristics?
The R7FA6M3AH3CLK#AC0 uses a 145-pin LGA package (7 mm × 7 mm, 0.5 mm pitch) with 101 I/O pins, 9 dedicated inputs, 21 5-V-tolerant pins, and 18 high-current (20 mA) outputs. This compact, thermally efficient package supports high-density PCB layouts in space-constrained industrial enclosures. Its 5-V tolerance allows direct interfacing with legacy 5-V sensors and logic, while the high-current outputs drive LEDs or small relays without external buffers - a key advantage for R7FA6M3AH3CLK#AC0-based edge node designs.
R7FA6M3AH3CLK#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:
- 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:
R7FA6M3AH3CLK#AC0 FAQ
1.How can I place an order for R7FA6M3AH3CLK#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AH3CLK#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 R7FA6M3AH3CLK#AC0 reliable?
The price and inventory of R7FA6M3AH3CLK#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AH3CLK#AC0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AH3CLK#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AH3CLK#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AH3CLK#AC0?
R7FA6M3AH3CLK#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AH3CLK#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 R7FA6M3AH3CLK#AC0?
For technical support, including R7FA6M3AH3CLK#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AH3CLK#AC0 requirements.
6.How does Aetrix verify that R7FA6M3AH3CLK#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AH3CLK#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 R7FA6M3AH3CLK#AC0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AH3CLK#AC0?
All R7FA6M3AH3CLK#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AH3CLK#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 R7FA6M3AH3CLK#AC0 part is unused and in its original packaging.
Return procedure for R7FA6M3AH3CLK#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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