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Renesas R7FA6M3AH2CLK#AC0
- Part No.:
- R7FA6M3AH2CLK#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R7FA6M3AH2CLK#AC0.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 145TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:312
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Product details
Overview
R7FA6M3AH2CLK#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-rich industrial control and gateway applications.
For engineers reviewing the R7FA6M3AH2CLK#AC0 datasheet, R7FA6M3AH2CLK#AC0 pinout, R7FA6M3AH2CLK#AC0 application, or R7FA6M3AH2CLK#AC0 equivalent, key selection criteria include its 176-pin LGA package, -40°C to +105°C industrial temperature rating, dual SDHI interfaces, QSPI support, and hardware-accelerated security (AES-256, ECC, TRNG) for secure edge node deployment.
Technical Context
The R7FA6M3AH2CLK#AC0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, enabling deterministic real-time signal processing and motor control. 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) for flexible firmware update handling without address remapping.
System-level integration is enhanced by the Event Link Controller (ELC), which enables direct peripheral-to-peripheral triggering without CPU intervention, and dual DMA controllers (8-channel DMAC + DTC) supporting concurrent high-bandwidth transfers for Ethernet, USBHS, SDHI, and SSIE audio streams.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables floating-point-intensive algorithms in real-time control loops. |
| Memory | 2-MB code flash (0-wait @40 MHz), 640-KB SRAM (ECC on first 32 KB) - supports large embedded OS, OTA updates, and safety-critical data integrity. |
| Connectivity | Ethernet MAC (IEEE 1588 PTP), dual CAN 2.0B, USB 2.0 HS/FS, dual SDHI, QSPI, 3×I²C, 2×SPI, 10×SCI - full-stack industrial networking and storage interface coverage. |
| Analog | 2×12-bit ADC (22 channels total, PGA ×6), 2×12-bit DAC, 6×ACMPHS, TSN - precision sensor acquisition and closed-loop analog control without external signal conditioning. |
| Graphics & HMI | GLCDC + 2D Drawing Engine (DRW) + JPEG codec + CTSU - hardware-accelerated GUI rendering, capacitive touch, and image compression for standalone HMIs. |
| Security | SCE7 crypto engine: AES-128/192/256, ECC, RSA, SHA256, TRNG, 128-bit UID - meets IEC 62443-3-3 SL2 requirements for secure boot and encrypted communication. |
| Package & Temp | 145-pin LGA (7 mm × 7 mm, 0.5 mm pitch), -40°C to +105°C - compact footprint suitable for space-constrained industrial gateways and motor drives. |
Pinout & Package
Package: 145-pin LGA (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | 2.7–3.6 V core/io supply; dedicated power domains for analog, USB, and RTC ensure noise isolation. |
| CLKIN, CLKOUT | External clock input/output | Supports 8–24 MHz main oscillator (MOSC); CLKOUT enables clock distribution to companion ICs. |
| ETH_MDC, ETH_MDIO, ETH_TXD[3:0], ETH_RXD[3:0] | Ethernet PHY interface | Direct RMII/MII-capable connection to external PHY; IEEE 1588 timestamping supported in hardware. |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 High-Speed physical layer | On-chip transceiver with regulator; supports host/device mode, BC 1.2 charging detection, and HS/FS operation. |
| SD0_CMD, SD0_CLK, SD0_D[3:0] | SD/MMC Host Interface 0 | 4-bit SDHC/SDXC interface with DMA support; compatible with eMMC 4.51 via 8-bit MMC mode on SDHI1. |
| CTSU_Sx (x=0–15) | Capacitive touch sensing inputs | Dedicated CTSU pins with internal current sources; enable robust multi-touch button/slider implementation without external components. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables firmware image relocation in flash without linker script changes - simplifies field updates and A/B swap schemes. |
| Event Link Controller (ELC) | Eliminates CPU polling/interrupt latency by routing 120+ peripheral events directly between modules (e.g., ADC trigger → DMA → SRAM). |
| Secure Crypto Engine 7 (SCE7) | Hardware-accelerated AES-256 encryption/decryption at >20 MB/s with zero software overhead - critical for TLS offload and secure firmware signing. |
| Graphics LCD Controller (GLCDC) | Triple-plane overlay (background + 2 graphics layers), WVGA+ resolution output, and GPX bus master - drives color TFT displays up to 800×480 with no frame buffer RAM required. |
| Sampling Rate Converter (SRC) | Real-time audio sample rate conversion (e.g., 44.1 kHz ↔ 48 kHz) for SSIE-connected codecs - eliminates need for external SRC IC in voice-enabled edge devices. |
Applications
| Industrial Ethernet Gateway | Human-Machine Interface (HMI) Panel |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, CANopen, and PROFINET data across factory floor devices into a unified OPC UA server. IC Role / Device Role / Timing Role: Primary application processor with dual Ethernet MAC (one for upstream cloud link, one for downstream fieldbus bridge), dual CAN for legacy machine connectivity, and hardware PTP for sub-microsecond time synchronization. Use Value: Eliminates external Ethernet switch and protocol converter ICs; IEEE 1588 hardware timestamping ensures deterministic cycle times in time-sensitive networking (TSN) deployments. |
Use Scenario: Standalone 7-inch capacitive touchscreen panel for HVAC control, displaying real-time sensor graphs and accepting gesture-based navigation. IC Role / Device Role / Timing Role: Single-chip HMI controller integrating GLCDC, DRW, JPEG decoder, CTSU, and resistive/capacitive touch support - no external GPU or touch controller needed. Use Value: Reduces BOM cost by 30% vs. MPU + FPGA + touch ASIC solutions; DRW rasterization at 1 pixel/clock enables 60 fps UI refresh even with complex anti-aliased vector graphics. |
| Secure Edge Node for IIoT | Motor Control & Power Conversion |
|
Use Scenario: Field-deployable sensor node performing local AI inference (TinyML), encrypted telemetry upload, and secure over-the-air (OTA) firmware updates. IC Role / Device Role / Timing Role: Trusted execution environment host with SCE7 crypto acceleration, TRNG, secure boot ROM, and isolated SRAM regions - meets PSA Certified Level 2 requirements. Use Value: Hardware root of trust prevents firmware rollback attacks; AES-256-GCM encryption at line rate secures MQTT payloads without degrading wireless throughput. |
Use Scenario: 3-phase BLDC motor drive with field-oriented control (FOC), real-time current sensing, thermal monitoring, and CAN-based diagnostics. IC Role / Device Role / Timing Role: Real-time control MCU with GPT32EH timers (1.2 ns resolution), dual 12-bit ADCs with simultaneous sampling, and PWM dead-time insertion - all synchronized to a single clock domain. Use Value: Achieves <1 µs current loop latency; integrated PGA and ACMPHS enable direct shunt resistor sensing and hardware fault shutdown, eliminating external op-amps and comparators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M3AH2CFB#AA0 | 144-pin LQFP (20 mm × 20 mm) vs. 145-pin LGA; identical core/peripherals but different pin mapping and thermal profile. | Better suited for prototyping and manual soldering; lacks 5 V-tolerant I/O pins available on LGA variant. | Select when PCB reworkability or legacy LQFP assembly infrastructure is prioritized over board area and thermal performance. |
| R7FA6M4AF2CFB#AA0 | RA6M4 variant: adds TrustZone, larger 1-MB SRAM, and enhanced security features (secure boot, tamper detection), but same 144-pin LQFP package. | Required for applications needing PSA Certified Level 3 or Common Criteria EAL4+ certification. | Choose when formal security certification is mandated; not drop-in compatible due to register-level TrustZone configuration differences. |
Compared with R7FA6M3AH2CLK#AC0, the R7FA6M3AH2CFB#AA0 offers identical functionality in a more manufacturable package but sacrifices 5 V tolerance and thermal efficiency, while the R7FA6M4AF2CFB#AA0 extends security capabilities at the cost of increased software complexity and non-interchangeable firmware images.
Availability
R7FA6M3AH2CLK#AC0 is available at Aetrix Electronics and suitable for industrial gateways, HMI panels, secure IIoT nodes, motor drives, and medical diagnostic equipment requiring stable component supply across extended product lifecycles.
Supply support for R7FA6M3AH2CLK#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 since 1957, with expertise in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise markets.
The RA6M3 Group targets high-performance, secure, and graphics-capable industrial and IoT edge applications, designed to replace legacy 32-bit MCUs with scalable Arm-based platforms featuring integrated safety, security, and human-machine interface subsystems.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M3AH2CLK#AC0?
The R7FA6M3AH2CLK#AC0 features an Arm Cortex-M4 core with floating-point unit (FPU) and operates at a maximum frequency of 120 MHz. It implements the Armv7E-M architecture with DSP instruction set, supporting single-precision IEEE 754 floating-point operations and memory protection via an 8-region MPU. This architecture enables deterministic real-time control and signal processing in applications such as motor drives and industrial gateways where R7FA6M3AH2CLK#AC0 serves as the primary application processor.
Does the R7FA6M3AH2CLK#AC0 support IEEE 1588 Precision Time Protocol (PTP) for Ethernet synchronization?
Yes, the R7FA6M3AH2CLK#AC0 integrates a dedicated Ethernet PTP Controller (EPTPC) compliant with IEEE 1588-2008 v2.0. It includes a Synchronization Frame Processing unit (SYNFP0) and Statistical Time Correction Algorithm (STCA) unit, working in conjunction with the on-chip Ethernet MAC (ETHERC) and PTPEDMAC to achieve sub-microsecond timestamp accuracy. This capability is essential for time-sensitive networking in industrial automation, where R7FA6M3AH2CLK#AC0 synchronizes distributed controllers without external timing hardware.
What graphics and display capabilities does the R7FA6M3AH2CLK#AC0 provide?
The R7FA6M3AH2CLK#AC0 includes a Graphics LCD Controller (GLCDC) supporting triple-plane overlay (background + two graphics layers), WVGA+ resolution output, and GPX bus master functionality. It also integrates a 2D Drawing Engine (DRW) capable of anti-aliased rasterization at 1 pixel per clock and a JPEG codec for hardware-accelerated image compression/decompression. These features allow R7FA6M3AH2CLK#AC0 to drive color TFT displays up to 800×480 without external frame buffer RAM or GPU, making it ideal for standalone HMI panels.
How does the R7FA6M3AH2CLK#AC0 handle security-critical operations like encryption and key generation?
The R7FA6M3AH2CLK#AC0 incorporates the Secure Crypto Engine 7 (SCE7), which provides hardware-accelerated AES-128/192/256, 3DES, ARC4, RSA/ECC, SHA256, and GHASH operations, along with a True Random Number Generator (TRNG) and 128-bit unique ID. SCE7 offloads cryptographic processing from the CPU, enabling >20 MB/s AES throughput with zero software overhead - critical for TLS stack acceleration and secure OTA updates in R7FA6M3AH2CLK#AC0-based IIoT nodes.
What analog peripherals are integrated into the R7FA6M3AH2CLK#AC0 for sensor interfacing?
The R7FA6M3AH2CLK#AC0 integrates two 12-bit successive-approximation ADCs (ADC12) with up to 22 total analog input channels, two 12-bit DACs (DAC12), six high-speed analog comparators (ACMPHS), six programmable gain amplifiers (PGA), and an on-die temperature sensor (TSN). These peripherals support simultaneous sampling, selectable resolution (8/10/12-bit), and internal reference routing - enabling R7FA6M3AH2CLK#AC0 to perform precision current/voltage sensing, closed-loop analog control, and thermal monitoring in motor drives and power supplies without external signal conditioning.
R7FA6M3AH2CLK#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:
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M3AH2CLK#AC0 FAQ
1.How can I place an order for R7FA6M3AH2CLK#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AH2CLK#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 R7FA6M3AH2CLK#AC0 reliable?
The price and inventory of R7FA6M3AH2CLK#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AH2CLK#AC0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AH2CLK#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AH2CLK#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AH2CLK#AC0?
R7FA6M3AH2CLK#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AH2CLK#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 R7FA6M3AH2CLK#AC0?
For technical support, including R7FA6M3AH2CLK#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AH2CLK#AC0 requirements.
6.How does Aetrix verify that R7FA6M3AH2CLK#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AH2CLK#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 R7FA6M3AH2CLK#AC0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AH2CLK#AC0?
All R7FA6M3AH2CLK#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AH2CLK#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 R7FA6M3AH2CLK#AC0 part is unused and in its original packaging.
Return procedure for R7FA6M3AH2CLK#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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