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Renesas R7FA4M2AC3CFL#AA0
- Part No.:
- R7FA4M2AC3CFL#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FA4M2AC3CFL#AA0.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:480
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Product details
Overview
R7FA4M2AC3CFL#AA0 from Renesas is a 32-bit Arm Cortex-M33 microcontroller operating at up to 100 MHz, featuring 384 KB code flash, 8 KB data flash, and 128 KB SRAM with parity/ECC. It integrates USB 2.0 Full-Speed, SDHI, Quad SPI, dual 12-bit DACs, 12-bit ADC (22-channel), CTSU, CAN, and Secure Crypto Engine 9 with TrustZone for secure embedded control in industrial HMI and IoT edge nodes.
For engineers reviewing the R7FA4M2AC3CFL#AA0 datasheet, R7FA4M2AC3CFL#AA0 pinout, R7FA4M2AC3CFL#AA0 application, or R7FA4M2AC3CFL#AA0 equivalent, this page delivers verified technical context, package-specific pin mapping, security-aware feature value, real-world application cards, and two validated alternative MCUs for scalable RA-family design migration.
Technical Context
The R7FA4M2AC3CFL#AA0 implements Armv8-M architecture with TrustZone-enforced secure/non-secure execution states, dual Systick timers, and PMSAv8 MPU with eight regions per state. Its memory subsystem includes background operation-capable flash, battery-backed RTC with calendar mode, and 1 KB standby SRAM.
Connectivity combines six SCI channels (UART, SPI, IIC, smart card), two I2C interfaces, one SPI, one CAN 2.0B controller, USBFS with internal transceiver, QSPI for external serial memory, and SSIE supporting I2S/TDM audio at up to 50 MHz. Analog integration includes temperature sensor, dual DAC12 outputs, and ADC12 with internal reference selection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max; enables deterministic real-time control with TrustZone isolation. |
| Memory | 384 KB code flash + 8 KB data flash + 128 KB SRAM (parity/ECC); supports background programming and robust data retention. |
| Security | Secure Crypto Engine 9 (AES/RSA/ECC/SHA256) + Arm TrustZone; provides hardware-accelerated cryptography and secure boot enforcement. |
| Analog Peripherals | 12-bit ADC12 (22 channels), dual 12-bit DAC12, on-die temperature sensor; enables closed-loop sensing and analog output without external components. |
| Connectivity | USB 2.0 FS (host/device), SDHI, QSPI, CAN, 6× SCI, 2× I2C, SPI, SSIE; supports mixed-protocol edge gateway and motor control applications. |
| Timers & PWM | GPT32 × 4, GPT16 × 4, AGT × 6, RTC with VBATT support; delivers precise timing, BLDC motor control (3-phase PWM), and low-power wake-up capability. |
| Package & Temp | 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), -40°C to +105°C; suitable for compact industrial control modules with extended thermal range. |
Pinout & Package
48-pin LQFP (PLQP0048KB-B), 7 mm × 7 mm, 0.5 mm pitch, lead-free Sn finish. Pin count and I/O allocation match RA4M2 group specification for 48-pin variants: 29 I/O pins, 1 input-only pin, 30 pull-up resistors, 29 N-ch open-drain outputs, 4 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 pin for noise immunity. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables high-accuracy system timing and PLL-based clock generation. |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar operation and low-power wake-up timing. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates external PHY; supports device/host modes with 10-pipe endpoint buffer. |
| QSPCLK / QIO0–QIO3 | Quad SPI clock and data lines | Direct interface to serial flash/FeRAM; enables XIP execution and firmware updates without external memory bus. |
| AN00–AN06 | ADC12 analog inputs | 7 dedicated channels for R7FA4M2AC3CFL#AA0; supports temperature sensor and internal reference voltage sampling. |
| DA00 / DA01 | DAC12 analog outputs | Two independent 12-bit voltage outputs; usable for sensor calibration, biasing, or analog waveform generation. |
| P000–P007, P100–P107, P200–P214, P300–P307, P501–P505, P600–P609 | General-purpose I/O | 29 configurable GPIOs with 5-V tolerance on 4 pins; supports pull-up, open-drain, and programmable drive strength. |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone with flash/SRAM region partitioning | Enables secure bootloader, encrypted firmware update, and isolated secure peripheral access without software overhead. |
| Secure Crypto Engine 9 (SCE9) | Hardware-accelerated AES-128/256, RSA-2048, ECC-P256, SHA256, and 128-bit unique ID for device authentication. |
| Capacitive Touch Sensing Unit (CTSU) | 12-channel touch sensing with noise immunity; supports slider, wheel, and proximity detection without external ICs. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC conversion → DMA transfer → GPT capture) without CPU intervention. |
| Battery-backed RTC with calendar mode | Maintains time/date across power loss using VBATT; supports Gregorian calendar (2000–2099) with leap-year correction. |
| Low Power Asynchronous Timers (AGT × 6) | Independent 16-bit timers running from LOCO (32.768 kHz); enable ultra-low-power wake-up and periodic sensor polling. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
|
Use Scenario: Compact touchscreen interface with real-time energy display, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: Main application MCU handling GUI rendering via CTSU, secure metering data logging via SCE9, and RTC-based billing cycles. Use Value: Integrated CTSU eliminates external touch controller; TrustZone isolates metering firmware from UI code; VBATT-backed RTC ensures accurate billing timestamps during mains outage. |
Use Scenario: DIN-rail mounted electricity meter with pulse output, RS-485 communication, and anti-tampering features. IC Role / Device Role / Timing Role: System controller managing ADC sampling of current/voltage, CAN/SCI communication, and secure firmware updates. Use Value: Dual 12-bit DACs calibrate sensor offsets; SCE9 signs firmware images; 100 MHz Cortex-M33 processes harmonic analysis in real time. |
| IoT Gateway Node | BLDC Motor Drive Controller |
|
Use Scenario: Edge node aggregating sensor data from Modbus/KNX devices and forwarding via Wi-Fi/Ethernet to cloud. IC Role / Device Role / Timing Role: Protocol translation hub using SDHI for local storage, USBFS for configuration, and QSPI for OTA firmware image storage. Use Value: SDHI supports FAT32-formatted microSD cards for log buffering; USBFS enables field technician reconfiguration; QSPI allows fast, secure firmware rollback. |
Use Scenario: Fan/pump controller with Hall-effect feedback, thermal monitoring, and overcurrent protection. IC Role / Device Role / Timing Role: Real-time motor control MCU generating 3-phase PWM via GPT outputs, sampling current via ADC12, and detecting faults via AGT timers. Use Value: GPT32/GPT16 support complementary PWM with dead-time insertion; ADC12's 22 channels monitor phase currents and temperature; AGT timers detect stall conditions within 1 µs resolution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit Arm Cortex-M microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M2AD3CFL#AA0 | 512 KB code flash (vs. 384 KB), same 48-pin LQFP package, identical peripherals and security features. | Required when firmware size exceeds 384 KB or future-proofing for feature expansion is needed. | Select if long-term code growth is anticipated; no PCB change required due to pin-to-pin compatibility. |
| R7FA2E1A93CFK#AA0 | Arm Cortex-M23 core (80 MHz), 256 KB flash, no USBFS/SDHI/QSPI, reduced analog (single DAC), no TrustZone. | Suitable for cost-sensitive, lower-compute applications without secure boot or high-speed connectivity. | Choose for simpler control tasks where SCE9, USB, or SD card support is unnecessary; requires layout review due to different pinout. |
Compared with R7FA4M2AC3CFL#AA0, R7FA4M2AD3CFL#AA0 offers higher flash capacity in identical packaging for seamless scalability, while R7FA2E1A93CFK#AA0 trades security and connectivity for lower BOM cost and power - making it appropriate only for non-secure, resource-constrained deployments.
Availability
R7FA4M2AC3CFL#AA0 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, IoT gateways, and BLDC motor control requiring stable component supply across automotive-grade temperature ranges and long product lifecycles.
Supply support for R7FA4M2AC3CFL#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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise applications.
The RA4M2 group targets secure, high-performance general-purpose microcontrollers for industrial automation and IoT edge devices, combining Arm TrustZone, cryptographic acceleration, and rich analog/peripheral integration.
FAQ
What is the maximum operating frequency of the R7FA4M2AC3CFL#AA0?
The R7FA4M2AC3CFL#AA0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This speed is achieved with the on-chip PLL driven by the main clock oscillator (8–24 MHz crystal) or high-speed on-chip oscillator (HOCO). The core maintains full performance across its rated temperature range of –40°C to +105°C, with voltage supply between 2.7 V and 3.6 V.
Does the R7FA4M2AC3CFL#AA0 support USB device and host functionality?
Yes, the R7FA4M2AC3CFL#AA0 includes a USB 2.0 Full-Speed module (USBFS) that supports both device and host modes. It features an integrated transceiver, 10 configurable pipes, and supports all USB 2.0 transfer types (control, bulk, interrupt, isochronous). As a host, it supports low-speed devices; as a device, it complies fully with USB 2.0 specifications without requiring external PHY components.
How many analog-to-digital converter channels does the R7FA4M2AC3CFL#AA0 provide?
The R7FA4M2AC3CFL#AA0 integrates a 12-bit successive approximation ADC (ADC12) with up to 22 input channels. For the 48-pin LQFP variant (R7FA4M2AC3CFL#AA0), seven analog input pins (AN00–AN06) are available. These include dedicated connections for the internal temperature sensor and reference voltage, enabling on-chip calibration and environmental monitoring without external circuitry.
What security features are implemented in the R7FA4M2AC3CFL#AA0?
The R7FA4M2AC3CFL#AA0 implements Arm TrustZone for hardware-enforced secure/non-secure world separation, plus the Secure Crypto Engine 9 (SCE9) with AES-128/256, RSA-2048, ECC-P256, SHA224/256, and GHASH acceleration. It also includes a 128-bit unique ID, tamper detection pins, secure pin multiplexing, and device lifecycle management - all coordinated under TrustZone to protect firmware, keys, and runtime operations.
Is the R7FA4M2AC3CFL#AA0 pin-compatible with other RA4M2 group members?
Yes, the R7FA4M2AC3CFL#AA0 is pin-compatible with other 48-pin RA4M2 variants including R7FA4M2AD3CFL#AA0 and R7FA4M2AB3CFL#AA0. All share identical LQFP-48 packaging (PLQP0048KB-B), identical pin functions, and compatible I/O characteristics - enabling direct substitution based on flash size requirements without PCB redesign or firmware changes.
R7FA4M2AC3CFL#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- 30
- Program Memory Size:
- 384KB (384K 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 7x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M2AC3CFL#AA0 FAQ
1.How can I place an order for R7FA4M2AC3CFL#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AC3CFL#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 R7FA4M2AC3CFL#AA0 reliable?
The price and inventory of R7FA4M2AC3CFL#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AC3CFL#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AC3CFL#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AC3CFL#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AC3CFL#AA0?
R7FA4M2AC3CFL#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AC3CFL#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 R7FA4M2AC3CFL#AA0?
For technical support, including R7FA4M2AC3CFL#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AC3CFL#AA0 requirements.
6.How does Aetrix verify that R7FA4M2AC3CFL#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AC3CFL#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 R7FA4M2AC3CFL#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AC3CFL#AA0?
All R7FA4M2AC3CFL#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AC3CFL#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 R7FA4M2AC3CFL#AA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AC3CFL#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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