Renesas R7FA6M3AH3CFP#AA0
- Part No.:
- R7FA6M3AH3CFP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6M3AH3CFP#AA0.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 100LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:444
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Product details
Overview
R7FA6M3AH3CFP#AA0 from Renesas Electronics is a high-performance 32-bit Arm Cortex-M4 microcontroller with FPU, designed for industrial HMI, Ethernet-connected edge devices, and secure IoT gateways. It operates at up to 120 MHz, integrates 2 MB code flash, 640 KB SRAM, dual CAN, IEEE 1588 PTP-capable Ethernet MAC, USB 2.0 High-Speed/Full-Speed, and hardware-accelerated cryptography (AES-256, ECC, TRNG).
For engineers reviewing the R7FA6M3AH3CFP#AA0 datasheet, R7FA6M3AH3CFP#AA0 pinout, R7FA6M3AH3CFP#AA0 application, or R7FA6M3AH3CFP#AA0 equivalent, key selection criteria include its 100-pin LQFP package, -40°C to +105°C industrial temperature rating, integrated GLCDC + DRW for graphics rendering, dual SDHI for memory card support, and SCE7 security engine for certified cryptographic operations.
Technical Context
The R7FA6M3AH3CFP#AA0 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.
System-level features include dual independent watchdogs (WDT + IWDT), Event Link Controller (ELC) for CPU-free peripheral coordination, and a Safety-oriented design with CAC clock accuracy monitoring, SRAM parity/ECC error detection, and register write protection - all targeting IEC 61508 SIL2 and ISO 26262 ASIL-B readiness.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables floating-point math-intensive tasks like motor control algorithms without software emulation latency. |
| Memory | 2 MB code flash (0-wait @40 MHz), 640 KB SRAM (ECC on first 32 KB) - supports large embedded OS images and real-time data buffering with error resilience. |
| Connectivity | Ethernet MAC + IEEE 1588 PTP, dual CAN 2.0B, USBHS/USBFS, QSPI, dual SDHI - enables time-synchronized industrial networking and multi-protocol fieldbus bridging. |
| Analog | Dual 12-bit ADC (22 channels total), dual 12-bit DAC, 6× ACMPHS, 6× PGA, TSN - supports precision sensor acquisition, closed-loop analog control, and on-die temperature monitoring. |
| Graphics & HMI | GLCDC + 2D Drawing Engine (DRW) + JPEG codec + CTSU - delivers full GUI rendering, image decompression, and capacitive touch interface without external controllers. |
| Security | SCE7 crypto engine: AES-128/192/256, ECC, RSA, SHA256, TRNG, 128-bit UID - provides hardware-accelerated TLS handshake, secure boot, and device identity binding. |
| Package & Temp | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), -40°C to +105°C - suitable for space-constrained industrial control panels and extended-temperature gateway deployments. |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | 2.7–3.6 V core I/O supply; dedicated pins per power domain ensure stable operation under dynamic load. |
| XTAL1/XTAL2 | Main oscillator input | Supports 8–24 MHz crystal for precise system clock generation; internal trimming enables ±0.5% frequency stability. |
| RTCX1/RTCX2 | Sub-clock oscillator input | 32.768 kHz crystal connection for battery-backed RTC calendar and low-power wake-up timing. |
| ETH_MDC/MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO bus for PHY configuration and status readback without CPU intervention. |
| USB_VBUS/USB_DP/USB_DM | USB 2.0 High-Speed interface | Integrated transceiver with voltage regulator supports host/device mode; VBUS sensing enables automatic role detection. |
| SD0_CLK/SD0_CMD/SD0_DAT[0:3] | SD/MMC Host Interface 0 | 4-bit SDHC/SDXC interface with DMA support - enables direct firmware updates from removable media. |
| CTSU_RX0–RX7 | Capacitive touch sensing inputs | 8-channel CTSU electrode connections with built-in noise cancellation for robust touch panel operation in noisy environments. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps flash load address to link address transparently - simplifies firmware update mechanisms and eliminates relocation code overhead. |
| Event Link Controller (ELC) | Direct hardware-triggered peripheral chaining (e.g., ADC conversion complete → DMA transfer → timer capture) - reduces interrupt latency and CPU load by >70% in sensor-to-storage pipelines. |
| Secure Crypto Engine 7 (SCE7) | Side-channel resistant AES-256 encryption at 120 MB/s - enables real-time encrypted data logging to external flash without performance penalty. |
| Graphics LCD Controller (GLCDC) | Triple-plane overlay (background + 2 graphics layers) with alpha blending - supports layered UIs (e.g., live video + telemetry overlay + touch-sensitive controls) in a single display controller. |
| Sampling Rate Converter (SRC) | Hardware-accelerated audio resampling (16-bit stereo/mono) - offloads CPU during voice prompt playback or audio analytics preprocessing. |
Applications
| Industrial HMI Panel | Smart Energy Gateway |
|---|---|
|
Use Scenario: A DIN-rail mounted human-machine interface for PLC-controlled factory machinery, featuring TFT-LCD display, capacitive touch buttons, and real-time status visualization. IC Role / Device Role / Timing Role: Primary application processor executing FreeRTOS, driving GLCDC/DRW for UI rendering, sampling analog sensors via ADC12, and communicating over CAN/Ethernet. Use Value: Integrated graphics engine eliminates external GPU, reducing BOM cost and PCB area; CTSU enables glove-compatible touch interface in harsh environments. |
Use Scenario: A DIN-rail energy gateway aggregating data from smart meters (via RS-485/SCI), photovoltaic inverters (CAN), and utility backhaul (Ethernet/PTP). IC Role / Device Role / Timing Role: Central protocol translator and time-synchronized data concentrator using IEEE 1588 PTP for sub-millisecond timestamp alignment across distributed meters. Use Value: Hardware PTP timestamping in ETHERC/EPTPC ensures accurate energy billing; SCE7 secures firmware OTA updates and meter authentication keys. |
| Secure IoT Edge Node | Medical Diagnostic Interface |
|
Use Scenario: A portable patient monitor hub collecting ECG, SpO₂, and temperature data, transmitting encrypted reports via Wi-Fi (via external module) and storing logs locally. IC Role / Device Role / Timing Role: Secure data acquisition MCU with ADC12+PGA front-end, TRNG-based session key generation, and AES-256 encryption before storage or transmission. Use Value: On-chip SCE7 meets HIPAA-aligned cryptographic requirements; standby SRAM retains critical alarm history during battery switchover. |
Use Scenario: An ultrasound machine front-panel controller managing touchscreen UI, JPEG-encoded image preview, and real-time audio feedback via SSIE. IC Role / Device Role / Timing Role: Graphics and multimedia co-processor handling JPEG decode, DRW-based UI overlays, and synchronized audio output via SSIE with SRC resampling. Use Value: Hardware JPEG codec reduces decode latency to <5 ms; dual SSIE interfaces support simultaneous speaker output and microphone input for voice-guided diagnostics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance, secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M3AF3CFP#AA0 | Same RA6M3 family, identical pinout and peripherals, but with 1 MB code flash (vs. 2 MB) and 384 KB SRAM (vs. 640 KB). | Suitable for cost-sensitive designs where firmware size <1 MB and real-time buffer requirements are lower. | Select when full 2 MB flash and 640 KB SRAM are not required - reduces unit cost while retaining identical security, graphics, and connectivity features. |
| R7FA6T1AD3CFM#AA0 | RA6T1 series, 120 MHz Cortex-M4, 512 KB flash, 64 KB SRAM, no Ethernet, no GLCDC/DRW, no SCE7 - targets motor control only. | Limited to real-time motor drive applications; lacks HMI, networking, and security accelerators of R7FA6M3AH3CFP#AA0. | Choose only for pure motor control with minimal peripheral needs; not a functional substitute for HMI or secure gateway use cases. |
Compared with R7FA6M3AF3CFP#AA0, the R7FA6M3AH3CFP#AA0 delivers 100% more flash and 67% more SRAM for complex GUIs and encrypted data buffers; versus R7FA6T1AD3CFM#AA0, it adds full Ethernet PTP, graphics acceleration, and certified crypto - making it uniquely suited for secure, time-aware industrial edge nodes.
Availability
R7FA6M3AH3CFP#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy gateways, and secure IoT edge nodes requiring stable component supply across extended product lifecycles.
Supply support for R7FA6M3AH3CFP#AA0 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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.
The RA6M3 Group targets high-end industrial and IoT edge applications requiring real-time performance, rich connectivity, advanced graphics, and hardware-enforced security - with R7FA6M3AH3CFP#AA0 representing its 100-pin LQFP variant optimized for compact, thermally demanding deployments.
FAQ
What is the maximum operating frequency of the R7FA6M3AH3CFP#AA0?
The R7FA6M3AH3CFP#AA0 operates at a maximum frequency of 120 MHz using its Arm Cortex-M4 core with FPU. This speed is achievable with zero wait states on its 40 MHz code flash interface, supported by Flash Cache (FCACHE) and memory mirroring for deterministic execution. The R7FA6M3AH3CFP#AA0 maintains this performance across its full -40°C to +105°C industrial temperature range.
Does the R7FA6M3AH3CFP#AA0 support IEEE 1588 Precision Time Protocol?
Yes, the R7FA6M3AH3CFP#AA0 integrates a dedicated Ethernet PTP Controller (EPTPC) compliant with IEEE 1588-2008 v2.0. It works in conjunction with the on-chip Ethernet MAC (ETHERC) and PTP-capable DMA (PTPEDMAC) to provide hardware timestamping, synchronization frame processing, and statistical time correction - enabling sub-microsecond time alignment in industrial automation networks.
What graphics capabilities does the R7FA6M3AH3CFP#AA0 offer?
The R7FA6M3AH3CFP#AA0 includes a Graphics LCD Controller (GLCDC) supporting triple-plane overlay, a 2D Drawing Engine (DRW) for antialiased rasterization, and a JPEG codec for hardware-accelerated compression/decompression. These enable full GUI rendering, layered displays, and real-time image handling without external graphics ICs - all accessible via the R7FA6M3AH3CFP#AA0's 100-pin LQFP package.
How does the R7FA6M3AH3CFP#AA0 handle security-critical operations?
The R7FA6M3AH3CFP#AA0 uses the Secure Crypto Engine 7 (SCE7) to accelerate AES-128/192/256, ECC, RSA, SHA256, and TRNG operations. It provides tamper-resistant key storage, side-channel attack mitigation, and hardware-enforced secure boot - certified to meet IEC 62443-3-3 SL2 requirements. All cryptographic functions execute independently of the main CPU, preserving R7FA6M3AH3CFP#AA0's real-time determinism.
What is the pin count and package type of the R7FA6M3AH3CFP#AA0?
The R7FA6M3AH3CFP#AA0 uses a 100-pin LQFP package measuring 14 mm × 14 mm with 0.5 mm pitch. It provides 67 general-purpose I/O pins (including 14 tolerant to 5 V), 9 dedicated input-only pins, and full peripheral signal routing - matching the pinout of other RA6M3 variants in the same package footprint for scalable platform design.
R7FA6M3AH3CFP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- 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 19x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M3AH3CFP#AA0 FAQ
1.How can I place an order for R7FA6M3AH3CFP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AH3CFP#AA0 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 R7FA6M3AH3CFP#AA0 reliable?
The price and inventory of R7FA6M3AH3CFP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AH3CFP#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AH3CFP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AH3CFP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AH3CFP#AA0?
R7FA6M3AH3CFP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AH3CFP#AA0 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 R7FA6M3AH3CFP#AA0?
For technical support, including R7FA6M3AH3CFP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AH3CFP#AA0 requirements.
6.How does Aetrix verify that R7FA6M3AH3CFP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AH3CFP#AA0 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 R7FA6M3AH3CFP#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AH3CFP#AA0?
All R7FA6M3AH3CFP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AH3CFP#AA0, 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 R7FA6M3AH3CFP#AA0 part is unused and in its original packaging.
Return procedure for R7FA6M3AH3CFP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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