Renesas R7FA6M2AD3CFB#AA0
- Part No.:
- R7FA6M2AD3CFB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FA6M2AD3CFB#AA0.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 144LFQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R7FA6M2AD3CFB#AA0 from Renesas Electronics is a 120-MHz Arm Cortex-M4 microcontroller with FPU, 512-KB code flash, 384-KB SRAM, dual CAN, Ethernet MAC, USB 2.0 Full-Speed, QSPI, SDHI×2, CTSU, and hardware crypto (AES/SHA/RSA/ECDSA). It targets industrial gateways, motor control systems, and secure HMI devices requiring real-time connectivity and functional safety support.
For engineers reviewing the R7FA6M2AD3CFB#AA0 datasheet, R7FA6M2AD3CFB#AA0 pinout, R7FA6M2AD3CFB#AA0 application, or R7FA6M2AD3CFB#AA0 equivalent, key selection criteria include its -40°C to +105°C operation, 144-pin LQFP package, dual 12-bit ADC units (20-channel total), 2× DAC12, and integrated SCE7 security engine with TRNG and 128-bit unique ID.
Technical Context
This MCU implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time execution up to 120 MHz. Its memory subsystem includes 512-KB zero-wait-state flash, 32-KB data flash (125k erase cycles), ECC-protected 32-KB SRAM, and parity-checked remaining SRAM.
The peripheral set integrates ETHERC+EDMAC for zero-CPU Ethernet frame handling, dual CAN 2.0A/B controllers with 32 mailboxes, 10× SCI with FIFO and IrDA support, and SSIE audio interface with I2S/TDM up to 8-channel. Safety features include IWDT with dedicated 15-kHz oscillator, CAC clock accuracy monitoring, SRAM ECC/parity, and register write protection.
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. |
| Flash / SRAM | 512 KB code flash (40 MHz zero wait), 32 KB data flash, 384 KB SRAM - supports large firmware images, OTA updates, and real-time buffer storage. |
| Analog | ADC12×2 (13+9 channels, 3 S/H circuits), DAC12×2, ACMPHS×6, TSN - enables simultaneous multi-sensor acquisition and analog feedback in closed-loop systems. |
| Connectivity | ETHERC+EDMAC, CAN×2, USBFS (on-chip transceiver), QSPI, SDHI×2, SCI×10, IIC×3, SPI×2 - provides native wired connectivity for industrial networking and storage expansion. |
| Security | SCE7 crypto engine: AES128/192/256, SHA256, RSA/ECC, TRNG, 128-bit UID - delivers hardware-accelerated TLS, secure boot, and device identity binding. |
| Package / Temp | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), -40°C to +105°C - suitable for convection-cooled industrial enclosures and automotive under-hood adjacent applications. |
| Power | VCC = 2.7–3.6 V, low-power modes including Deep Software Standby with 8 KB standby SRAM retention - extends battery life in always-on edge nodes. |
Pinout & Package
Package: 144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, RoHS-compliant Sn termination.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Digital power supply / ground | 109 I/O pins share common 2.7–3.6 V domain; decoupling required per Renesas layout guidelines to maintain noise immunity at 120 MHz. |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 8–24 MHz external crystals; used for high-accuracy system clock generation and USB timing compliance. |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar mode and low-power wake-up timing. |
| RES | Active-low reset input | Asynchronous reset pin; must be held low ≥100 ns after power stabilization to ensure reliable initialization. |
| MD | Mode select input | Determines boot source (SCI or USB) at power-on; level must be stable before release from reset. |
| TMS / TCK / TDO / SWDIO / SWCLK | JTAG/SWD debug interface | Enables full on-chip debugging, flash programming, and trace via standard Arm tools; SWD uses 2-pin minimal footprint. |
| RD / WR / BC0 / BC1 / EBCLK | External bus strobes & clock | Supports 8/16-bit parallel memory expansion and SDRAM interfacing; EBCLK output synchronizes external peripherals. |
| ETXD0–7 / ERXD0–7 / ECRS / ECOL / EREFCLK | Ethernet MAC physical layer signals | Direct connection to external PHY; requires impedance-controlled routing and 50 Ω termination per IEEE 802.3 spec. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps flash load address to link address in unused 23-bit space - eliminates relocation code and simplifies firmware update deployment. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC conversion completion → DMA transfer → GPT capture) - removes CPU polling and reduces latency. |
| Capacitive Touch Sensing Unit (CTSU) | 18-channel self-capacitance sensing with noise immunity - enables robust touch buttons/sliders without external ICs in HMI designs. |
| Sampling Rate Converter (SRC) | Real-time audio sample rate adjustment for MP3/AAC/WMA streams - offloads DSP tasks from Cortex-M4 core in multimedia edge nodes. |
| Secure Crypto Engine 7 (SCE7) | Side-channel resistant AES/SHA/RSA acceleration with key wrapping - meets IEC 62443-3-3 SL2 requirements for industrial device authentication. |
Applications
| Industrial Gateway | Motor Control System |
|---|---|
|
Use Scenario: Edge gateway aggregating Modbus RTU, CANopen, and EtherNet/IP fieldbus data for cloud upload via TLS-secured MQTT. IC Role / Device Role / Timing Role: Central protocol translator and security anchor - handles concurrent Ethernet, dual CAN, and USB host/device roles with SCE7-based certificate management. Use Value: Eliminates external protocol bridge ICs and discrete crypto modules; 512-KB flash accommodates multiple stack implementations and field-upgradable firmware. |
Use Scenario: 3-phase BLDC motor drive with sensorless FOC, thermal monitoring, and overcurrent protection. IC Role / Device Role / Timing Role: Real-time motion controller - executes FOC loops at 20 kHz using GPT32EH timers, ADC12 sampling, and DAC12 current reference generation. Use Value: Integrated high-resolution PWM timers and analog front-end reduce BOM count; ECC SRAM ensures reliability during voltage transients in motor switching environments. |
| Secure HMI Terminal | Medical Data Logger |
|
Use Scenario: Touch-enabled patient monitor display with encrypted local data storage and wireless firmware updates. IC Role / Device Role / Timing Role: Human-machine interface hub - drives capacitive touch overlay (CTSU), renders UI via external display controller, and secures SDHI×2 storage with AES-256. Use Value: CTSU supports 18 independent touch keys with noise rejection; SCE7 enables secure key injection and firmware signature verification without external TPM. |
Use Scenario: Portable ECG/SpO₂ logger capturing analog biosignals, timestamping with RTC calendar, and storing to encrypted microSD. IC Role / Device Role / Timing Role: Signal acquisition and trusted storage controller - uses ADC12 with 3-sample-and-hold for simultaneous lead measurements and TSN for ambient temperature compensation. Use Value: 12-bit ADC resolution and internal reference enable medical-grade accuracy; 8 KB standby SRAM retains critical logs during battery swap or low-power sleep. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M2AF3CFB#AA0 | 1-MB code flash vs. 512 KB; identical peripherals, package, and temp grade | Required for larger firmware (e.g., embedded Linux RTOS, dual-application partitioning) | Select when firmware size exceeds 512 KB or future-proofing for feature expansion is needed. |
| STM32H743VIT6 | 480-MHz Cortex-M7, 2-MB flash, no integrated Ethernet MAC or CTSU; requires external PHY and touch controller | Higher compute throughput but increased BOM and PCB complexity for industrial connectivity | Choose only if raw CPU performance outweighs integration benefits and external component cost is acceptable. |
Compared with R7FA6M2AD3CFB#AA0, the R7FA6M2AF3CFB#AA0 offers double flash capacity with no trade-offs in I/O or analog resources, while the STM32H743VIT6 demands additional components for Ethernet and touch functionality - increasing design risk and time-to-market for integrated industrial edge nodes.
Availability
R7FA6M2AD3CFB#AA0 is available at Aetrix Electronics and suitable for industrial gateways, motor control systems, and secure HMI terminals requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA6M2AD3CFB#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for industrial, automotive, and enterprise applications.
The RA6M2 Group targets mid-range industrial and IoT edge devices, combining Arm Cortex-M4 performance with hardware security, functional safety features, and rich connectivity to accelerate certified product development.
FAQ
What is the maximum operating frequency and core type of the R7FA6M2AD3CFB#AA0?
The R7FA6M2AD3CFB#AA0 features an Arm Cortex-M4 core with Floating Point Unit (FPU) and operates at a maximum frequency of 120 MHz. This enables high-performance real-time processing for motor control, signal analysis, and protocol stack execution while maintaining energy efficiency in industrial applications.
Does the R7FA6M2AD3CFB#AA0 include hardware cryptographic acceleration?
Yes, the R7FA6M2AD3CFB#AA0 integrates the Secure Crypto Engine 7 (SCE7), which provides hardware-accelerated AES128/192/256, SHA256, RSA, ECC, and TRNG. This allows secure boot, TLS handshake offload, and device identity binding without consuming Cortex-M4 CPU cycles - critical for industrial cybersecurity compliance.
What package and temperature range does the R7FA6M2AD3CFB#AA0 use?
The R7FA6M2AD3CFB#AA0 is supplied in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) and is rated for operation from -40°C to +105°C. This makes it suitable for deployment in harsh industrial environments, including factory automation controls and outdoor edge infrastructure.
How many analog-to-digital converter channels does the R7FA6M2AD3CFB#AA0 support?
The R7FA6M2AD3CFB#AA0 includes two 12-bit ADC units (ADC12): Unit 0 supports up to 11 input channels, Unit 1 supports up to 8, with two shared analog input pins (AN005/AN105 and AN006/AN106), totaling 20 usable analog input ports - ideal for multi-sensor industrial monitoring systems.
Is Ethernet MAC functionality integrated into the R7FA6M2AD3CFB#AA0?
Yes, the R7FA6M2AD3CFB#AA0 integrates a full IEEE 802.3-compliant Ethernet MAC Controller (ETHERC) with dedicated Ethernet DMA Controller (EDMAC). It requires an external PHY but handles frame transmission/reception, checksum calculation, and descriptor management in hardware - reducing CPU overhead in networked industrial devices.
R7FA6M2AD3CFB#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-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:
- 512KB (512K 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 22x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M2AD3CFB#AA0 FAQ
1.How can I place an order for R7FA6M2AD3CFB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M2AD3CFB#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 R7FA6M2AD3CFB#AA0 reliable?
The price and inventory of R7FA6M2AD3CFB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M2AD3CFB#AA0 is usually 5 days.
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5.How can I obtain technical support or documentation for R7FA6M2AD3CFB#AA0?
For technical support, including R7FA6M2AD3CFB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M2AD3CFB#AA0 requirements.
6.How does Aetrix verify that R7FA6M2AD3CFB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M2AD3CFB#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 R7FA6M2AD3CFB#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M2AD3CFB#AA0?
All R7FA6M2AD3CFB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M2AD3CFB#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 R7FA6M2AD3CFB#AA0 part is unused and in its original packaging.
Return procedure for R7FA6M2AD3CFB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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