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Renesas R7FA4M3AE3CFM#AA0
- Part No.:
- R7FA4M3AE3CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA4M3AE3CFM#AA0.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:206
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Product details
Overview
R7FA4M3AE3CFM#AA0 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 768 KB code flash, 8 KB data flash, and 128 KB SRAM (with ECC), designed for secure industrial HMI and connected edge nodes requiring USB FS, CAN, SDHI, and capacitive touch. It integrates Secure Crypto Engine 9, TrustZone, and CTSU for tamper-resistant UI control in smart meters and PLCs.
For engineers reviewing the R7FA4M3AE3CFM#AA0 datasheet, R7FA4M3AE3CFM#AA0 pinout, R7FA4M3AE3CFM#AA0 application, or R7FA4M3AE3CFM#AA0 equivalent, key selection criteria include its -40°C to +105°C operation, 64-pin LQFP package, dual CAN interfaces, QSPI memory controller, and hardware-accelerated AES/RSA/SHA256 for firmware integrity and secure boot.
Technical Context
The R7FA4M3AE3CFM#AA0 implements Armv8-M with TrustZone-enforced isolation between secure and non-secure worlds, supporting up to three code flash regions and two data flash regions. Its dual 12-bit ADC units (12+10 channels) and two 12-bit DACs enable simultaneous analog sensing and actuation in motor control loops.
It features a dual-domain timer system: four 32-bit GPT32 timers with BLDC PWM outputs (GTOUUP/GTOULO etc.) and six low-power AGT timers for wake-up from Deep Software Standby. The ELC enables CPU-free peripheral chaining-e.g., ADC trigger → DMA transfer → interrupt generation-reducing latency in real-time sensor fusion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz with TrustZone and MPU_S/MPU_NS (8 regions each) |
| Memory | 768 KB code flash (background SWAP), 8 KB data flash (100k P/E cycles), 128 KB SRAM with ECC |
| Connectivity | 2× CAN 2.0B, USB 2.0 Full-Speed (internal transceiver), SDHI (4-bit), QSPI, 6× SCI, 2× I²C, SPI, SSIE |
| Analog | ADC12 × 2 (5 Msps interleaved), DAC12 × 2, TSN, VREFH/VREFL per unit |
| Security | Secure Crypto Engine 9 (AES-128/256, RSA-2048/4096, SHA224/256), 128-bit UID, tamper pins |
| Package & Temp | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), -40°C to +105°C operating range |
| Power | VCC = 2.7–3.6 V; supports VBATT backup for RTC/SOSC/backup RAM; LVD with 3 thresholds |
Pinout & Package
64-pin LQFP (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, with 41 general-purpose I/O pins (9× 5-V tolerant), 1× VBATT, 2× VCC/VSS pairs, dedicated USB_DP/DM, CAN_RX/TX, QSPI_IO0–IO3, and CTSU_TSn pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital core (VCC) and analog (AVCC0/AVSS0); decoupling required per datasheet layout rules |
| USB_DP / USB_DM | USB 2.0 differential pair | Integrated transceiver; requires 27 Ω series resistors and 1.5 kΩ pull-up on DP for device mode |
| CRX0 / CTX0, CRX1 / CTX1 | CAN bus interface | Each pair needs external CAN transceiver (e.g., TJA1042); supports ISO 11898-1 compliant messaging |
| QIO0–QIO3 / QSPCLK / QSSL | Quad SPI interface | Direct connection to serial flash (e.g., Winbond W25Q80); supports XIP and memory-mapped read |
| TS0–TS19 / TSCAP | Capacitive touch inputs | CTSU-driven self-capacitance measurement; TSCAP supplies secondary voltage for enhanced SNR |
| AN000–AN011, AN100–AN109 | Analog input channels | Shared pins with GPIO; unit 0 has 12 channels, unit 1 has 10; internal temperature sensor routed to both |
Key Features
| Feature | Design Value |
|---|---|
| Hardware crypto acceleration | AES-128/256, RSA-2048/4096, SHA224/256 offloaded from CPU; reduces secure OTA update time by >70% vs software-only |
| TrustZone memory partitioning | Configurable secure/non-secure regions in flash (3), data flash (2), and SRAM (3); enforces isolation for bootloader and key storage |
| Event Link Controller (ELC) | Direct hardware linking of 128+ event sources (e.g., ADC end-of-conversion → DMAC trigger → NVIC interrupt) without CPU involvement |
| Low-power AGT timers | Six 16-bit asynchronous timers powered from LOCO (32.768 kHz); operate in Deep Software Standby to wake on external pulse or RTC alarm |
| CTSU with noise immunity | Capacitive Touch Sensing Unit with spread-spectrum modulation and shield drive; achieves >60 dB noise rejection in 50/60 Hz EMI environments |
Applications
| Smart Energy Metering | Industrial PLC I/O Module |
|---|---|
Use Scenario: Utility-grade electricity meter with tariff switching, tamper detection, and secure firmware updates over cellular link. IC Role / Device Role / Timing Role: Main application MCU handling metrology calculations, CAN-based sensor bus communication, and SCE9-secured OTA decryption. Use Value: Hardware AES/SHA256 accelerates signature verification of signed firmware images; TrustZone isolates secure boot ROM from application code. | Use Scenario: DIN-rail mounted remote I/O node collecting analog sensor data (4–20 mA, thermocouple) and controlling solenoids via PWM. IC Role / Device Role / Timing Role: Real-time controller running FreeRTOS with GPT32 timers generating precise 20 kHz PWM for valve drivers and AGT timers managing periodic ADC sampling. Use Value: Dual ADC units enable simultaneous 12-channel analog acquisition at 5 Msps interleaved rate; ECC SRAM prevents silent data corruption in long-life deployments. |
| Secure HMI Terminal | Automotive Body Control Module |
Use Scenario: Touch-enabled human-machine interface for HVAC control in commercial buildings with encrypted cloud telemetry. IC Role / Device Role / Timing Role: CTSU-driven capacitive touch controller interfacing with USB HID stack and SCE9-encrypted BLE gateway bridge. Use Value: Integrated CTSU eliminates external touch controller IC; tamper pins detect enclosure breach and trigger secure erase of keys. | Use Scenario: Gateway module aggregating LIN sensor data and forwarding via CAN to vehicle body domain controller. IC Role / Device Role / Timing Role: Dual-CAN interface handles high-priority lighting control (CAN0) and diagnostics (CAN1); SDHI stores diagnostic logs on microSD card. Use Value: QSPI boots firmware from external flash; VBATT-backed RTC maintains accurate timestamps during ignition-off periods. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Arm Cortex-M33 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M3AF3CFM#AA0 | 1 MB code flash (vs. 768 KB), same package, peripherals, and security features | Required when full firmware image + OTA staging area exceeds 768 KB capacity | Select R7FA4M3AF3CFM#AA0 only if application firmware size exceeds 700 KB after linker optimization. |
| STM32H743VI | Arm Cortex-M7 @ 480 MHz, 2 MB flash, no integrated TrustZone or SCE; requires external crypto IC for comparable security | Higher compute throughput needed for vision preprocessing or complex control algorithms | Choose STM32H743VI only when floating-point performance or external SDRAM interface outweighs R7FA4M3AE3CFM#AA0's security integration and lower BOM cost. |
Compared with R7FA4M3AF3CFM#AA0, the R7FA4M3AE3CFM#AA0 trades 232 KB flash for identical security, analog, and connectivity features-ideal for cost-sensitive designs with verified firmware footprint <700 KB. Versus STM32H743VI, it delivers superior out-of-box security with lower power and simpler certification path for IEC 62443 Level 1.
Availability
R7FA4M3AE3CFM#AA0 is available at Aetrix Electronics and suitable for industrial automation, smart energy metering, and secure HMI terminals requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA4M3AE3CFM#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and IoT markets.
The RA4M3 group targets secure, high-integration edge nodes-designed to unify real-time control, connectivity (USB/CAN/SDHI), and hardware security (TrustZone+SCE9) in a single chip for industrial and building automation.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M3AE3CFM#AA0?
The R7FA4M3AE3CFM#AA0 features an Arm Cortex-M33 core operating at up to 100 MHz, implementing the Armv8-M architecture with security extensions including TrustZone and Memory Protection Unit (MPU). It supports both secure and non-secure execution states, with separate MPU configurations (8 regions each) and dual SysTick timers-one for each world. This architecture enables robust separation of trusted firmware and application code.
Does the R7FA4M3AE3CFM#AA0 support hardware-accelerated cryptography, and which algorithms are implemented?
Yes, the R7FA4M3AE3CFM#AA0 integrates the Secure Crypto Engine 9 (SCE9), providing hardware acceleration for AES-128/256 (ECB/CBC/CTR/GCM), RSA-2048/4096, ECC (NIST P-256/P-384), DSA, and hash functions SHA224/SHA256/GHASH. It also includes a 128-bit unique ID and tamper detection circuitry. These capabilities are accessible via Renesas' Trusted Firmware-M (TF-M) port and enable fast, side-channel-resistant secure boot and OTA updates in the R7FA4M3AE3CFM#AA0.
What package type and pin count does the R7FA4M3AE3CFM#AA0 use, and how many I/O pins are available?
The R7FA4M3AE3CFM#AA0 uses a 64-pin LQFP package (PLQP0064KB-C, 10 mm × 10 mm, 0.5 mm pitch) with 41 general-purpose I/O pins, 1 dedicated input pin (P200), 42 pull-up resistors, 41 N-ch open-drain outputs, and 9 pins rated for 5-V tolerance. Pin assignments-including USB, CAN, QSPI, CTSU, and ADC-are fully documented in Section 1.6 of the R01DS0368EJ0150 datasheet for the R7FA4M3AE3CFM#AA0.
Can the R7FA4M3AE3CFM#AA0 operate in extended temperature ranges, and what is its supply voltage range?
Yes, the R7FA4M3AE3CFM#AA0 is rated for industrial operation from -40°C to +105°C and operates from a single 2.7 V to 3.6 V supply (VCC). It includes Low Voltage Detection (LVD) with three configurable thresholds (LVD0/LVD1/LVD2) and battery backup support (VBATT) for RTC, SOSC, and backup RAM retention during main power loss-critical for uninterrupted timestamping and configuration preservation in the R7FA4M3AE3CFM#AA0.
Which communication interfaces are integrated into the R7FA4M3AE3CFM#AA0, and does it include USB functionality?
The R7FA4M3AE3CFM#AA0 integrates USB 2.0 Full-Speed (with internal transceiver), two CAN 2.0B controllers, SD/MMC Host Interface (SDHI), Quad SPI (QSPI), six Serial Communications Interfaces (SCI), two I²C buses, one SPI, Serial Sound Interface Enhanced (SSIE), and a 12-bit A/D converter with 22 total input channels. USBFS supports both host and device modes, with 10 configurable pipes and built-in buffer memory-enabling HID, CDC, or MSC class implementations directly on the R7FA4M3AE3CFM#AA0 without external PHY.
R7FA4M3AE3CFM#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA4M3
- 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:
- 42
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 11x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M3AE3CFM#AA0 FAQ
1.How can I place an order for R7FA4M3AE3CFM#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M3AE3CFM#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 R7FA4M3AE3CFM#AA0 reliable?
The price and inventory of R7FA4M3AE3CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M3AE3CFM#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M3AE3CFM#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M3AE3CFM#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M3AE3CFM#AA0?
R7FA4M3AE3CFM#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M3AE3CFM#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 R7FA4M3AE3CFM#AA0?
For technical support, including R7FA4M3AE3CFM#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M3AE3CFM#AA0 requirements.
6.How does Aetrix verify that R7FA4M3AE3CFM#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M3AE3CFM#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 R7FA4M3AE3CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M3AE3CFM#AA0?
All R7FA4M3AE3CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M3AE3CFM#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 R7FA4M3AE3CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FA4M3AE3CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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