Renesas R7FA6M2AF3CFP#AA0
- Part No.:
- R7FA6M2AF3CFP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6M2AF3CFP#AA0.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 100LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:310
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Product details
Overview
R7FA6M2AF3CFP#AA0 from Renesas is a high-performance 32-bit Arm Cortex-M4 microcontroller with FPU, operating at up to 120 MHz, featuring 1-MB code flash, 384-KB SRAM, dual CAN, Ethernet MAC, USB 2.0 Full-Speed, and hardware crypto acceleration (AES/SHA/RSA/ECC). It targets industrial control gateways requiring deterministic real-time response, secure connectivity, and analog signal conditioning.
For engineers reviewing the R7FA6M2AF3CFP#AA0 datasheet, R7FA6M2AF3CFP#AA0 pinout, R7FA6M2AF3CFP#AA0 application, or R7FA6M2AF3CFP#AA0 equivalent, key selection criteria include its 100-pin LQFP package, -40°C to +105°C industrial temperature grade, integrated CTSU for touch HMI, dual SDHI for redundant storage, and SCE7 security engine supporting TRNG and 128-bit unique ID.
Technical Context
The R7FA6M2AF3CFP#AA0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, enabling efficient motor control and digital signal processing. Its memory subsystem includes ECC-protected SRAM (32 KB), parity-checked SRAM (352 KB), and 32-KB data flash rated for 125,000 erase/write cycles - critical for firmware-over-the-air updates in field-deployed equipment.
Peripheral integration centers on deterministic I/O coordination: the Event Link Controller (ELC) enables direct peripheral-to-peripheral triggering without CPU intervention, while the 8-channel DMAC and DTC offload data movement from ADC, SDHI, and USBFS. Dual CAN interfaces support ISO 11898-1-compliant messaging with 32 configurable mailboxes for automotive-grade diagnostics and redundancy.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables real-time floating-point math for closed-loop control without software emulation. |
| Memory | 1-MB code flash (zero wait states @ 40 MHz), 32-KB data flash (125k cycles), 384-KB SRAM (32 KB ECC + 352 KB parity) - supports robust firmware storage, parameter logging, and large buffer handling. |
| Connectivity | Ethernet MAC + EDMAC, USB 2.0 FS (on-chip transceiver), 2× CAN, 3× I²C, 2× SPI, 10× SCI, QSPI, SDHI×2 - enables multi-protocol industrial networking and local storage expansion. |
| Analog | ADC12×2 (13+9 channels, 12/10/8-bit selectable), DAC12×2, ACMPHS×6, TSN - provides precision sensor acquisition, actuator drive, and thermal monitoring in one chip. |
| Security | SCE7 crypto engine: AES128/192/256, SHA256, RSA/ECC, TRNG, 128-bit UID - delivers 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 convection-cooled industrial enclosures with no forced airflow requirement. |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, lead-free (Sn only), RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Digital power supply / ground | 10 pairs distributed across perimeter - ensures low-noise core voltage delivery and minimizes ground bounce in mixed-signal operation. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal - enables precise timing for Ethernet PHY synchronization and USB frame generation. |
| MD | Operating mode select | Fixed at reset; determines boot source (flash vs. SCI/USB) - must be stable during power-up to avoid undefined startup behavior. |
| RES | Active-low reset input | Asynchronous, Schmitt-triggered - allows external supervisory ICs to force hard reset during brown-out or watchdog timeout. |
| SWDIO / SWCLK | Serial Wire Debug interface | 2-pin debug port supporting full JTAG/SWD functionality - enables non-intrusive firmware debugging and flash programming in production test. |
| TXD0 / RXD0 | SCI0 UART channel | Asynchronous serial interface with FIFO - used for bootloader communication, configuration console, or Modbus RTU slave implementation. |
| ETXD0 / ERXD0 | Ethernet MAC physical layer interface | RMII signals (TXD[1:0], RXD[1:0], TX_EN, CRS_DV, REF_CLK) - connects directly to external PHY (e.g., LAN8742A) without level-shifting. |
| SD0CMD / SD0CLK / SD0DAT[3:0] | SDHI0 bus signals | 4-bit SD card interface - supports SDHC/SDXC cards for firmware update storage or data logging with CRC-7/CRC-16 protection. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps flash load address to link address transparently - eliminates need for position-independent code and simplifies OTA firmware patching. |
| Event Link Controller (ELC) | Hardware routing of 128+ peripheral events - enables jitter-free ADC sampling triggered by PWM edge, or CAN message transmission synchronized to timer overflow. |
| Capacitive Touch Sensing Unit (CTSU) | 18-channel capacitive sensing with noise immunity - supports up to 18 buttons/sliders without external RC networks or calibration per unit. |
| Sampling Rate Converter (SRC) | Real-time audio sample rate translation (e.g., 44.1 kHz ↔ 48 kHz) - enables seamless integration of legacy audio codecs with modern digital audio subsystems. |
| Port Output Enable for GPT (POEG) | Hardware-controlled output disable for PWM pins - prevents shoot-through during motor phase commutation by synchronizing gate driver disable with PWM zero-crossing. |
Applications
| Industrial PLC I/O Module | Secure Gateway Controller |
|---|---|
|
Use Scenario: Modular remote I/O unit collecting analog sensor data (temperature, pressure) and controlling solenoids/valves via PWM outputs in factory automation. IC Role / Device Role / Timing Role: Central controller executing cyclic scan logic, managing EtherNet/IP messaging, and performing real-time PID loop execution at 1-ms intervals. Use Value: Integrated 12-bit ADC12 with 3 S/H circuits enables simultaneous sampling of 3 critical sensors per cycle; dual CAN supports redundant fieldbus communication. |
Use Scenario: Edge gateway aggregating data from Modbus RTU field devices and forwarding to cloud via TLS-secured Ethernet or cellular backhaul. IC Role / Device Role / Timing Role: Secure protocol translator with hardware crypto acceleration, managing certificate validation, encrypted MQTT sessions, and secure firmware updates. Use Value: SCE7 engine performs AES-256-GCM encryption at >20 Mbps without CPU load; 128-bit UID binds device identity to X.509 certificates. |
| Human-Machine Interface Terminal | Audio-Enabled Industrial Display |
|
Use Scenario: Touch-enabled operator panel with graphical LCD, status LEDs, and buzzer feedback in HVAC control systems. IC Role / Device Role / Timing Role: HMI processor running FreeRTOS, driving display via parallel interface, scanning capacitive buttons, and managing audio alerts. Use Value: CTSU supports 18 independent touch channels with built-in noise rejection; SSIE and SRC enable high-fidelity voice prompts and alarm tones. |
Use Scenario: Panel-mounted display with stereo audio playback for machine status announcements and diagnostic feedback in packaging machinery. IC Role / Device Role / Timing Role: Audio subsystem controller interfacing with I²S DAC, managing sample rate conversion between internal audio buffers and external codec clocks. Use Value: SRC handles asynchronous clock domain crossing (e.g., 44.1 kHz audio stream → 48 kHz display controller clock); SSIE supports 8-channel TDM for multi-zone audio distribution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M2AF3CFB | 144-pin LQFP package, 109 GPIOs, 21× 5-V tolerant pins, full peripheral set including all 10 SCI channels and 3 I²C interfaces | Preferred for designs requiring maximum I/O count and full feature parity with RA6M2 superset | Select R7FA6M2AF3CFB when board layout accommodates larger 20 mm × 20 mm footprint and additional I/O or peripheral channels are needed. |
| R7FA6M2AD3CFP | Same 100-pin LQFP package but with 512 KB code flash, identical SRAM, peripherals, and temperature grade | Suitable for cost-sensitive applications where firmware size remains under 512 KB and future scalability is limited | Choose R7FA6M2AD3CFP only if current firmware image fits within 512 KB and no field-upgrade headroom is required beyond 32 KB data flash. |
Compared with R7FA6M2AF3CFP#AA0, the R7FA6M2AF3CFB offers higher I/O density and full peripheral complement at the cost of larger PCB area, while R7FA6M2AD3CFP reduces flash capacity by 50% with no other functional trade-offs - making it a true footprint-compatible alternative only when code size constraints are verified.
Availability
R7FA6M2AF3CFP#AA0 is available at Aetrix Electronics and suitable for industrial PLC modules, secure IoT gateways, HMI terminals, and audio-enabled displays requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA6M2AF3CFP#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 Corporation is a global semiconductor manufacturer headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RA6M2 Group is designed for high-performance, secure, and scalable industrial IoT endpoints - integrating real-time control, connectivity, safety, and cryptography in a single MCU platform optimized for factory automation and edge intelligence.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M2AF3CFP#AA0?
The R7FA6M2AF3CFP#AA0 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 signal processing and real-time control tasks essential for industrial applications where the R7FA6M2AF3CFP#AA0 is deployed.
Does the R7FA6M2AF3CFP#AA0 support hardware-based cryptographic operations?
Yes, the R7FA6M2AF3CFP#AA0 integrates the Secure Crypto Engine 7 (SCE7), which provides hardware acceleration for AES128/192/256, 3DES, ARC4, SHA1/224/256, MD5, GHASH, RSA, DSA, and ECC algorithms. It also includes a True Random Number Generator (TRNG) and a 128-bit unique ID. These capabilities are fully utilized in the R7FA6M2AF3CFP#AA0 to enable secure boot, TLS stack acceleration, and device authentication without compromising real-time performance.
What package type and pin count does the R7FA6M2AF3CFP#AA0 use?
The R7FA6M2AF3CFP#AA0 uses a 100-pin LQFP package (PLQP0100KB-B), measuring 14 mm × 14 mm with 0.5 mm pitch and Sn-only lead finish. This package provides 75 general-purpose I/O pins, 14 of which are 5-V tolerant, and supports industrial operating temperatures from -40°C to +105°C. The compact footprint makes the R7FA6M2AF3CFP#AA0 ideal for space-constrained industrial control and gateway designs.
How many analog-to-digital and digital-to-analog converters does the R7FA6M2AF3CFP#AA0 include?
The R7FA6M2AF3CFP#AA0 includes two independent 12-bit successive approximation ADC units (ADC12): Unit 0 supports up to 13 input channels, Unit 1 supports up to 9, with shared pins reducing total usable analog inputs to 12 in the 100-pin variant. It also integrates two 12-bit DAC channels (DAC12) with output amplifiers. These analog resources are fully accessible and validated in the R7FA6M2AF3CFP#AA0 for sensor interface and actuator control applications.
Is Ethernet MAC functionality available on the R7FA6M2AF3CFP#AA0, and what interface does it use?
Yes, the R7FA6M2AF3CFP#AA0 includes a fully compliant IEEE 802.3 Ethernet MAC Controller (ETHERC) with integrated Ethernet DMA Controller (EDMAC). It supports RMII interface with dedicated pins (ETXD0/1, ERXD0/1, TX_EN, CRS_DV, REF_CLK) for direct connection to external PHYs such as the LAN8742A. This Ethernet capability is confirmed and enabled in the R7FA6M2AF3CFP#AA0 for industrial networking applications requiring deterministic packet handling and low-latency communication.
R7FA6M2AF3CFP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RA6M2
- 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, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 109
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 384K 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:
R7FA6M2AF3CFP#AA0 FAQ
1.How can I place an order for R7FA6M2AF3CFP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M2AF3CFP#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 R7FA6M2AF3CFP#AA0 reliable?
The price and inventory of R7FA6M2AF3CFP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M2AF3CFP#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M2AF3CFP#AA0?
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Once your R7FA6M2AF3CFP#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 R7FA6M2AF3CFP#AA0?
For technical support, including R7FA6M2AF3CFP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M2AF3CFP#AA0 requirements.
6.How does Aetrix verify that R7FA6M2AF3CFP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M2AF3CFP#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 R7FA6M2AF3CFP#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M2AF3CFP#AA0?
All R7FA6M2AF3CFP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M2AF3CFP#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 R7FA6M2AF3CFP#AA0 part is unused and in its original packaging.
Return procedure for R7FA6M2AF3CFP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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