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Renesas R7FA4M2AD3CFM#AA0
- Part No.:
- R7FA4M2AD3CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA4M2AD3CFM#AA0.pdf
- Description:
- IC MCU 32BIT 512KB 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:303
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Product details
Overview
R7FA4M2AD3CFM#AA0 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 512 KB code flash, 8 KB data flash, 128 KB SRAM (with parity/ECC), USB 2.0 Full-Speed, SDHI, QSPI, dual 12-bit DACs, and integrated Secure Crypto Engine (SCE9) with AES/RSA/ECC/SHA256 for secure firmware updates in industrial HMI applications.
For engineers reviewing the R7FA4M2AD3CFM#AA0 datasheet, R7FA4M2AD3CFM#AA0 pinout, R7FA4M2AD3CFM#AA0 application, or R7FA4M2AD3CFM#AA0 equivalent, this page delivers verified specifications, package mapping, security architecture details, and real-world use cases for secure edge node design, motor control, and touch-enabled human-machine interfaces.
Technical Context
The R7FA4M2AD3CFM#AA0 implements Armv8-M with TrustZone, enabling hardware-isolated secure and non-secure execution environments. It integrates SCE9 for cryptographic acceleration and tamper-resistant key management, with up to three secure regions in code flash and SRAM.
Its system architecture includes dual 16-bit AGT timers for low-power wake-up, six-channel SCI supporting UART/IIC/SPI/Manchester, and a dedicated ELC for CPU-free peripheral event chaining-enabling deterministic real-time response without interrupt latency overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max - enables real-time deterministic execution with TrustZone isolation for secure boot and firmware update validation. |
| Memory | 512 KB code flash + 8 KB data flash + 128 KB SRAM (parity/ECC) - supports background flash programming and robust runtime error detection in safety-critical systems. |
| Security | SCE9 crypto engine + Arm TrustZone - accelerates AES-128/256, RSA-2048, ECC-P256, SHA256, and provides tamper-detection pins for physical attack resistance. |
| Analog | 12-bit ADC12 (22 channels), dual 12-bit DAC12, on-die temperature sensor - enables closed-loop analog sensing and actuation without external signal conditioning. |
| Connectivity | USBFS (host/device), SDHI, QSPI, CAN 2.0B, 6× SCI, 2× I2C, SPI, SSIE - supports embedded storage, fieldbus communication, and audio interface in single-chip designs. |
| Timers & Control | 4× GPT32 + 4× GPT16 + 6× AGT + RTC + WDT/IWDT - delivers precise PWM generation for BLDC motor control and ultra-low-power timekeeping with battery backup. |
| Package | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) - provides 43 GPIOs including 9× 5-V-tolerant pins and CTSU touch sensing inputs for compact industrial PCB layouts. |
Pinout & Package
64-pin LQFP package (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, -40°C to +105°C operating range. Pin count and I/O allocation match Renesas' RA4M2 group specification for 64-pin variants: 43 general-purpose I/O pins, 1 dedicated input pin (P200), 44 pull-up resistors, 43 N-ch open-drain outputs, and 9× 5-V-tolerant pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital (VCC/VSS) and analog (AVCC0/AVSS0); decoupling required per datasheet layout guidelines. |
| P300 / TCK / SWCLK | JTAG/SWD debug clock | Shared pin for boundary scan and serial wire debug - enables in-system programming and real-time trace without dedicated debug header. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates external PHY; requires 27 Ω series termination and 1.5 kΩ pull-up on DP for device mode. |
| QSPCLK / QIO0–QIO3 | Quad SPI clock and data lines | Direct interface to serial NOR flash; supports XIP (execute-in-place) and dual/quad read modes for fast boot and OTA update storage. |
| SD0CMD / SD0CLK / SD0DAT0–3 | SD/MMC host bus | Full 4-bit SDHC/SDXC support with DMA-driven transfers - enables local data logging and firmware image storage on removable media. |
| CTSU_TSn | Capacitive touch sense input | Hardware-accelerated self-capacitance measurement; supports up to 12 touch buttons with noise immunity in noisy industrial environments. |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone with memory region partitioning | Enables secure bootloader, encrypted firmware decryption, and isolated key storage - prevents unauthorized access to secure assets during runtime. |
| Secure Crypto Engine 9 (SCE9) | Hardware-accelerated AES-128/256 encryption/decryption, RSA-2048 signing, ECC-P256 key exchange, and SHA256 hashing - reduces crypto latency by >10× vs. software-only implementation. |
| Event Link Controller (ELC) | Configurable hardware routing between peripherals (e.g., ADC trigger → DMA transfer → GPT capture) - eliminates CPU polling and interrupt overhead for deterministic timing. |
| Capacitive Touch Sensing Unit (CTSU) | On-die touch controller with built-in noise cancellation and auto-calibration - enables robust button/slider operation through 2 mm plastic overlay without external IC. |
| Battery-backed RTC + VBATT | Real-time calendar (2000–2099) with leap-year correction and 100-year retention using external coin cell - maintains time across main power loss in metering and alarm systems. |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with localized firmware updates and audit logging. IC Role / Device Role / Timing Role: Main application processor executing RTOS, managing CTSU touch events, driving USB-connected displays, and validating signed firmware images via SCE9. Use Value: Eliminates external touch controller and crypto co-processor; TrustZone isolates UI stack from secure update handler to prevent privilege escalation attacks. |
Use Scenario: Field-deployed IoT gateway aggregating Modbus/RS485 sensor data and forwarding to cloud via TLS-secured MQTT over USB or Ethernet (via external PHY). IC Role / Device Role / Timing Role: Secure root-of-trust MCU handling certificate-based TLS handshake, encrypted data buffering in SRAM, and tamper-triggered secure erase of keys. Use Value: SCE9 offloads TLS handshake crypto; 128 KB SRAM with ECC ensures integrity of encrypted payload buffers during network transmission bursts. |
| BLDC Motor Drive Controller | Smart Energy Meter |
Use Scenario: Compact 3-phase motor controller with hall-sensor feedback, current sensing, and overcurrent protection for HVAC fans and pumps. IC Role / Device Role / Timing Role: Real-time motor control unit generating synchronized 3-phase PWM (GTOUUP/GTOULO etc.), sampling ADC12 at 1 MSps, and executing FOC algorithm in TrustZone-secured memory. Use Value: GPT32 timers with dead-time insertion and AGT wake-up from standby enable <10 µs fault response; integrated DAC12 drives analog current reference without external DAC. |
Use Scenario: Revenue-grade electricity meter with metrology SoC interface, tamper detection, and secure firmware updates over PLC or RF link. IC Role / Device Role / Timing Role: Security co-processor managing key injection, secure boot, and cryptographic signing of energy consumption logs stored in data flash. Use Value: 8 KB data flash rated for 100,000 P/E cycles stores lifetime metering logs; tamper pins (TAMP0–TAMP2) trigger immediate key erasure upon enclosure breach. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M2AC3CFM#AA0 | 384 KB code flash, same 64-pin LQFP package, identical peripherals and security features. | Lower code density suitable for cost-sensitive HMI or gateway applications without complex GUI or protocol stacks. | Select when firmware footprint is ≤384 KB and BOM cost reduction is prioritized over future firmware headroom. |
| R7FA6M2AF3CFM#AA0 | Arm Cortex-M33 @ 200 MHz, 1 MB flash, 256 KB SRAM, additional CAN FD and Ethernet MAC; larger 64-pin LQFP variant. | Targeted at high-throughput industrial gateways requiring dual CAN FD, TCP/IP stack, or advanced motion control algorithms. | Choose only if 100 MHz CPU performance or 512 KB flash is insufficient; requires PCB redesign due to different pinout and voltage regulator requirements. |
Compared with R7FA4M2AC3CFM#AA0, the R7FA4M2AD3CFM#AA0 provides 128 KB more code flash for feature-rich firmware and OTA update staging, while R7FA6M2AF3CFM#AA0 introduces architectural scaling beyond the RA4M2 family's power/performance envelope-making R7FA4M2AD3CFM#AA0 the optimal balance of security, integration, and thermal efficiency for industrial edge nodes.
Availability
R7FA4M2AD3CFM#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, secure edge gateways, BLDC motor controllers, smart energy meters, and capacitive touch interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA4M2AD3CFM#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with deep expertise in microcontrollers, analog, and power devices.
The RA4M2 group, including R7FA4M2AD3CFM#AA0, was designed for secure, low-power industrial edge applications-integrating Arm TrustZone, SCE9, and rich analog/peripheral sets to replace multi-chip solutions in HMI, motor control, and sensor aggregation systems.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M2AD3CFM#AA0?
The R7FA4M2AD3CFM#AA0 features an Arm Cortex-M33 core operating at up to 100 MHz, implementing the Armv8-M architecture with TrustZone security extensions. It supports both secure and non-secure execution states, with dedicated SysTick timers and MPU regions for memory protection-enabling certified secure firmware execution in industrial applications.
Does the R7FA4M2AD3CFM#AA0 support USB device and host functionality?
Yes, the R7FA4M2AD3CFM#AA0 integrates a USB 2.0 Full-Speed module (USBFS) that operates in both device and host modes. It includes an internal transceiver, supports all USB transfer types (control, bulk, interrupt, isochronous), and provides up to 10 configurable pipes with dedicated buffer memory-enabling direct connection to USB peripherals or host-side data aggregation without external PHY components.
How does the Secure Crypto Engine 9 (SCE9) in the R7FA4M2AD3CFM#AA0 enhance firmware security?
The SCE9 in the R7FA4M2AD3CFM#AA0 accelerates AES-128/256 encryption/decryption, RSA-2048 signing, ECC-P256 key exchange, and SHA256 hashing, while providing tamper detection and power analysis resistance. It works in concert with Arm TrustZone to isolate cryptographic operations-ensuring private keys never leave secure memory and enabling secure boot, encrypted OTA updates, and authenticated communication in the R7FA4M2AD3CFM#AA0.
What analog peripherals are integrated into the R7FA4M2AD3CFM#AA0?
The R7FA4M2AD3CFM#AA0 integrates a 12-bit successive-approximation ADC12 with up to 22 input channels, two independent 12-bit DAC12 modules, and an on-die temperature sensor (TSN). These analog resources support simultaneous acquisition and waveform generation-enabling closed-loop control, sensor signal conditioning, and thermal monitoring without external ADC/DAC components in the R7FA4M2AD3CFM#AA0.
Is the R7FA4M2AD3CFM#AA0 pin-compatible with other RA4M2 group members?
Yes, the R7FA4M2AD3CFM#AA0 is pin-compatible with other 64-pin LQFP variants in the RA4M2 group, including R7FA4M2AC3CFM#AA0 and R7FA4M2AB3CFM#AA0. All share identical pin assignments, electrical characteristics, and peripheral mappings-allowing seamless migration between flash densities (256 KB/384 KB/512 KB) without PCB redesign or layout changes for the R7FA4M2AD3CFM#AA0.
R7FA4M2AD3CFM#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA4M2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- Capacitive Touch, Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT
- Number of I/O:
- 44
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- -
- EEPROM Size:
- 8K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 9x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M2AD3CFM#AA0 FAQ
1.How can I place an order for R7FA4M2AD3CFM#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AD3CFM#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 R7FA4M2AD3CFM#AA0 reliable?
The price and inventory of R7FA4M2AD3CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AD3CFM#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AD3CFM#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AD3CFM#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AD3CFM#AA0?
R7FA4M2AD3CFM#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AD3CFM#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 R7FA4M2AD3CFM#AA0?
For technical support, including R7FA4M2AD3CFM#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AD3CFM#AA0 requirements.
6.How does Aetrix verify that R7FA4M2AD3CFM#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AD3CFM#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 R7FA4M2AD3CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AD3CFM#AA0?
All R7FA4M2AD3CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AD3CFM#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 R7FA4M2AD3CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AD3CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA4M2AD3CFM#AA0 Tags
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