Renesas R7FA6M3AH3CFP#AA5
- Part No.:
- R7FA6M3AH3CFP#AA5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6M3AH3CFP#AA5.pdf
- Description:
- MCU RA6 ARM CM4 120MHZ 2M/640K Q
- Quantity:
- Payment:

- Shipping:

Inventory:2,999
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Product details
Overview
R7FA6M3AH3CFP#AA5 from Renesas Electronics is a high-performance 32-bit Arm Cortex-M4 microcontroller with FPU, designed for industrial HMI, networked edge devices, and real-time control systems. It operates at up to 120 MHz, integrates 2 MB code flash, 640 KB SRAM, dual CAN, IEEE 1588 Ethernet MAC (ETHERC), USB 2.0 High-Speed/Full-Speed, and hardware-accelerated graphics (GLCDC + DRW) - enabling embedded GUIs with capacitive touch (CTSU) and JPEG decoding.
For engineers reviewing the R7FA6M3AH3CFP#AA5 datasheet, R7FA6M3AH3CFP#AA5 pinout, R7FA6M3AH3CFP#AA5 application, or R7FA6M3AH3CFP#AA5 equivalent, key selection criteria include its 100-pin LQFP package, -40°C to +105°C industrial temperature rating, integrated security engine (SCE7 with AES-256/RSA/ECC/TRNG), and dual SDHI/QSPI support for secure boot and external memory expansion.
Technical Context
The R7FA6M3AH3CFP#AA5 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time execution in safety-critical applications. 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 deployment without address remapping.
System-level timing and reliability are enforced via dual watchdogs (WDT + IWDT), Clock Frequency Accuracy Measurement Circuit (CAC), SRAM parity/ECC error detection, and MPU-based memory protection across four regions. Connectivity is orchestrated through Event Link Controller (ELC), enabling autonomous peripheral-to-peripheral triggering - e.g., ADC conversion completion directly initiating DMA transfer to SRAM without CPU intervention.
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 signal processing without software emulation overhead. |
| Memory | 2 MB code flash (40 MHz zero-wait), 64 KB data flash (125k cycles), 640 KB SRAM (ECC on first 32 KB) - supports robust firmware storage, parameter logging, and large framebuffer 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 time-synchronized industrial networking and multi-protocol device interfacing. |
| Analog | 2× 12-bit ADC (22 channels total, 8/10/12-bit selectable), 2× 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 - renders anti-aliased GUIs, decodes compressed images, and detects multi-touch gestures without host CPU load. |
| Security | SCE7 crypto engine: AES-128/192/256, RSA/ECC, SHA256, TRNG, 128-bit unique ID - provides hardware-accelerated secure boot, firmware authentication, and encrypted communication key generation. |
| Package & Temp | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), -40°C to +105°C - suitable for compact industrial controllers requiring extended thermal margin and PCB assembly compatibility. |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual 2.7–3.6 V supply domains with dedicated analog/digital ground pins - ensures noise isolation for mixed-signal operation. |
| XTAL/EXTAL | Main clock oscillator input/output | Supports 8–24 MHz crystal for precise system timing; paired with internal PLL for 120 MHz core clock generation. |
| RTC_VCC/VBATT | Real-time clock backup power | Enables calendar-mode RTC operation during main power loss using external coin-cell battery. |
| ETH_MDC/MDIO | Ethernet management interface | Provides MDIO bus access to external PHY registers for IEEE 1588 PTP configuration and link status monitoring. |
| USB_VBUS/USB_DP/USB_DM | USB 2.0 Full-Speed physical interface | On-chip transceiver with voltage regulator - eliminates need for external USB PHY; supports battery charging spec 1.2 detection. |
| SD0_CLK/SD0_CMD/SD0_DATA[0:3] | SD/MMC Host Interface 0 | 4-bit SDHC/SDXC interface with CRC offload - enables direct FAT32 file system access to removable media or eMMC. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps flash-resident firmware image to fixed link address in 23-bit unused memory space - simplifies OTA updates by decoupling load address from execution address. |
| Event Link Controller (ELC) | Routes 128+ peripheral events (e.g., ADC EOC, timer overflow) directly to DMAC/DTC/GPT without NVIC latency - enables sub-microsecond deterministic response. |
| Capacitive Touch Sensing Unit (CTSU) | Self-capacitance measurement with built-in noise cancellation - achieves >60 dB SNR for reliable touch detection through 5 mm glass overlay. |
| Secure Crypto Engine 7 (SCE7) | Hardware-accelerated AES-256 encryption/decryption at 100+ MB/s - enables real-time TLS handshake and encrypted firmware image verification. |
| Sampling Rate Converter (SRC) | Resamples audio streams (MP3/WMA/AAC) from 8–48 kHz to 44.1/48 kHz - eliminates need for external audio DSP in voice-enabled HMI applications. |
Applications
| Industrial HMI Panel | Smart Gateway Device |
|---|---|
|
Use Scenario: A 7-inch capacitive touchscreen panel for factory floor machine control, displaying real-time PLC data and alarm history. IC Role / Device Role / Timing Role: R7FA6M3AH3CFP#AA5 serves as the primary application processor, driving GLCDC-rendered UI, executing CTSU touch detection, and managing Ethernet/USB connectivity for SCADA integration. Use Value: Integrated DRW and JPEG codec reduce external memory bandwidth by 40% vs. software rendering; MMF enables seamless field firmware updates without re-linking. |
Use Scenario: An IIoT gateway aggregating Modbus RTU sensors over RS-485, translating to MQTT over IEEE 1588-synchronized Ethernet. IC Role / Device Role / Timing Role: R7FA6M3AH3CFP#AA5 acts as protocol translator and time-aware edge node, using ETHERC+EPTPC for sub-microsecond timestamping of sensor events. Use Value: Dual CAN and 10× SCI allow concurrent connection to legacy fieldbus networks; SCE7 secures TLS 1.2 handshakes with cloud brokers. |
| Medical Patient Monitor | Automated Test Equipment (ATE) |
|
Use Scenario: Portable vital signs monitor acquiring ECG, SpO₂, and temperature, with local display and USB export to clinical workstation. IC Role / Device Role / Timing Role: R7FA6M3AH3CFP#AA5 performs analog front-end conditioning (PGA/ADC), real-time waveform analysis (FPU), and USB mass-storage-class data export. Use Value: On-chip 12-bit DAC generates precise calibration references; TRNG seeds cryptographic keys for HIPAA-compliant data encryption. |
Use Scenario: Benchtop ATE controller performing automated functional tests on PCBAs, capturing digital patterns via parallel capture (PDC) and validating analog responses. IC Role / Device Role / Timing Role: R7FA6M3AH3CFP#AA5 functions as test sequencer and measurement hub, synchronizing GPT32EH timers with PDC triggers for nanosecond-accurate stimulus/response capture. Use Value: 640 KB SRAM buffers full test result sets; CRC calculator validates pattern integrity before reporting; IWDT guarantees fail-safe reset on test timeout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M3AH3CFB#AA0 | Same RA6M3 family, 176-pin LQFP package - adds 33 more GPIOs and 2 extra SCI channels vs. R7FA6M3AH3CFP#AA5's 100-pin variant. | Better suited for designs requiring >67 I/Os or additional serial interfaces; larger footprint increases PCB area and cost. | Select R7FA6M3AH3CFB#AA0 only if pin count or peripheral channel count exceeds R7FA6M3AH3CFP#AA5's 100-pin limits. |
| R7FA6M2AF3CFP#AA5 | RA6M2 family, same 100-pin LQFP but lower specs: 100 MHz core, 1 MB flash, no Ethernet MAC, no GLCDC/DRW, single CAN. | Targeted at cost-sensitive non-networked HMI or control applications where IEEE 1588 sync or graphics acceleration are unnecessary. | Choose R7FA6M2AF3CFP#AA5 when Ethernet, dual CAN, or hardware graphics are not required - reduces BOM cost by ~18%. |
Compared with R7FA6M3AH3CFP#AA5, R7FA6M3AH3CFB#AA0 offers higher I/O density at the expense of board space, while R7FA6M2AF3CFP#AA5 trades connectivity and graphics capability for lower unit cost - making R7FA6M3AH3CFP#AA5 the optimal balance for compact, feature-rich industrial edge nodes.
Availability
R7FA6M3AH3CFP#AA5 is available at Aetrix Electronics and suitable for industrial HMI panels, smart gateways, medical monitors, and automated test equipment requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability validation.
Supply support for R7FA6M3AH3CFP#AA5 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RA6M3 Group - including R7FA6M3AH3CFP#AA5 - was engineered for real-time, secure, and graphics-rich edge applications, combining Arm Cortex-M4 performance with hardware-accelerated HMI, industrial networking, and cryptographic trust anchors.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M3AH3CFP#AA5?
The R7FA6M3AH3CFP#AA5 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 and supports a 4-GB address space. This architecture enables high-efficiency signal processing and real-time deterministic execution critical for industrial control and HMI applications. The R7FA6M3AH3CFP#AA5 delivers consistent performance across its full industrial temperature range (-40°C to +105°C).
Does the R7FA6M3AH3CFP#AA5 support IEEE 1588 Precision Time Protocol (PTP)?
Yes, the R7FA6M3AH3CFP#AA5 integrates a full IEEE 1588-2008 v2.0 compliant Ethernet PTP Controller (EPTPC) alongside its Ethernet MAC (ETHERC). The EPTPC includes synchronization frame processing (SYNFP0) and statistical time correction (STCA) units, enabling sub-microsecond timestamp accuracy for time-critical industrial automation and test equipment. This capability is hardware-accelerated and does not require external PTP hardware. The R7FA6M3AH3CFP#AA5 uses this to synchronize distributed sensors and actuators over standard Ethernet infrastructure.
What graphics and human-machine interface (HMI) peripherals are integrated into the R7FA6M3AH3CFP#AA5?
The R7FA6M3AH3CFP#AA5 integrates a Graphics LCD Controller (GLCDC), 2D Drawing Engine (DRW), JPEG codec, and Capacitive Touch Sensing Unit (CTSU). The GLCDC supports WVGA+ panels with triple-plane superimposition; DRW provides antialiased rasterization and texture blending; JPEG codec handles baseline compression/decompression; and CTSU delivers noise-immune touch detection. Together, these enable rich, responsive GUIs without external graphics processors. The R7FA6M3AH3CFP#AA5 leverages these to drive displays up to 800×480 with smooth animations and multi-touch gesture support.
What security features does the R7FA6M3AH3CFP#AA5 provide for firmware and data protection?
The R7FA6M3AH3CFP#AA5 includes Renesas' Secure Crypto Engine 7 (SCE7), offering hardware-accelerated AES-128/192/256, RSA/ECC, SHA256, GHASH, and TRNG. It also provides 128-bit unique ID, flash area protection, and memory protection units (MPU). These features enable secure boot, encrypted firmware updates, TLS offload, and tamper-resistant key storage. The R7FA6M3AH3CFP#AA5 uses SCE7 to validate signed firmware images before execution and generate cryptographically secure session keys for encrypted communications.
What package type and pin count does the R7FA6M3AH3CFP#AA5 use?
The R7FA6M3AH3CFP#AA5 is supplied in a 100-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch), rated for industrial temperature operation (-40°C to +105°C). This package provides 67 general-purpose I/O pins, including 14 5-V-tolerant inputs and 18 high-current (20 mA) outputs. Its compact footprint and standard reflow compatibility make it ideal for space-constrained industrial controllers. The R7FA6M3AH3CFP#AA5 shares pinout compatibility with other RA6M3 variants in the same LQFP family, enabling scalable design reuse.
R7FA6M3AH3CFP#AA5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RA6M3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- 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:
- 76
- 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#AA5 FAQ
1.How can I place an order for R7FA6M3AH3CFP#AA5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AH3CFP#AA5 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#AA5 reliable?
The price and inventory of R7FA6M3AH3CFP#AA5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AH3CFP#AA5 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AH3CFP#AA5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AH3CFP#AA5 transactions.
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R7FA6M3AH3CFP#AA5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AH3CFP#AA5 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#AA5?
For technical support, including R7FA6M3AH3CFP#AA5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AH3CFP#AA5 requirements.
6.How does Aetrix verify that R7FA6M3AH3CFP#AA5 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AH3CFP#AA5 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#AA5 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AH3CFP#AA5?
All R7FA6M3AH3CFP#AA5 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AH3CFP#AA5, 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#AA5 part is unused and in its original packaging.
Return procedure for R7FA6M3AH3CFP#AA5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6M3AH3CFP#AA5 Tags

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