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Renesas R7FA4M2AC3CNE#AA0
- Part No.:
- R7FA4M2AC3CNE#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FA4M2AC3CNE#AA0.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 48HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:550
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Product details
Overview
R7FA4M2AC3CNE#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), CAN, TrustZone security, and SCE9 crypto engine. Used in secure industrial HMI and connected edge sensor nodes requiring real-time control and firmware integrity.
For engineers reviewing the R7FA4M2AC3CNE#AA0 datasheet, R7FA4M2AC3CNE#AA0 pinout, R7FA4M2AC3CNE#AA0 application, or R7FA4M2AC3CNE#AA0 equivalent, this page delivers verified specifications, package mapping to 48-pin QFN, functional pin roles, security architecture details, and validated alternative MCUs for scalable RA4M2-based designs.
Technical Context
The R7FA4M2AC3CNE#AA0 implements Armv8-M with TrustZone, enabling hardware-isolated secure and non-secure execution environments. Its Secure Crypto Engine 9 accelerates AES, RSA, ECC, DSA, SHA224/SHA256, and provides tamper detection via three dedicated pins and secure pin multiplexing.
It supports dual-domain clocking with PLL, HOCO/MOCO/LOCO oscillators, and features event-driven operation via ELC, DTC, and 8-channel DMAC. The analog subsystem includes ADC12 with temperature sensor input, two independent DAC12 outputs, and CTSU for capacitive touch sensing on up to 12 electrodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max; supports TrustZone for hardware-enforced secure/non-secure partitioning. |
| Memory | 384 KB code flash (background operation), 8 KB data flash (100k P/E cycles), 128 KB SRAM with parity/ECC. |
| Analog Peripherals | 12-bit ADC12 (22 channels, internal TSN & ref), dual 12-bit DAC12, CTSU (12-electrode support). |
| Connectivity | USB 2.0 FS (internal transceiver), CAN 2.0B (32 mailboxes), SDHI (SD/SDHC/SDXC), QSPI, SCI×6, IIC×2, SPI×1, SSIE. |
| Security | SCE9 crypto accelerator (AES/RSA/ECC/SHA), 128-bit unique ID, tamper pins, lifecycle management, debug access control. |
| Timers & Control | GPT32×4, GPT16×4, AGT×6, RTC with calendar mode (2000–2099), WDT/IWDT, ELC for CPU-free peripheral linking. |
| Package & Environment | 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), -40°C to +105°C operating range, 29 GPIO with 4× 5-V tolerant pins. |
Pinout & Package
Package: 48-pin QFN (PWQN0048KC-A), 7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad, RoHS-compliant Sn termination.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital core (VCC) and analog (AVCC0/AVSS0); decoupling required per pin. |
| USB_DP / USB_DM | USB differential pair | Integrated USB 2.0 Full-Speed transceiver; no external PHY needed; supports host/device modes. |
| QIO0–QIO3 / QSPCLK / QSSL | Quad SPI interface | Direct connection to serial flash/FeRAM; supports XIP and high-speed memory-mapped access. |
| AN00–AN21 | Analog input channels | 22 configurable ADC inputs; includes internal temperature sensor and reference voltage routing. |
| DA0 / DA1 | Analog output channels | Dual independent 12-bit DAC outputs with selectable reference (VREFH/VREFL). |
| TS0–TS11 | Capacitive touch sense | CTSU electrode inputs; supports self- and mutual-capacitance measurement for robust HMI design. |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone + SCE9 | Hardware-enforced secure boot, encrypted firmware update, and runtime key protection without software overhead. |
| USBFS + SDHI + QSPI | Simultaneous local storage (SD card), external memory expansion (QSPI), and host/device connectivity (USB) in one chip. |
| Dual DAC12 + ADC12 | Independent analog output generation and high-resolution sensing enable closed-loop control in motor or sensor systems. |
| CTSU with 12 electrodes | Single-chip capacitive touch solution eliminating external ICs; supports slider, wheel, and proximity detection. |
| ELC + DTC + DMAC | Zero-CPU-intervention peripheral chaining (e.g., ADC→DTC→SRAM→DMA→USB) for deterministic low-latency data flow. |
Applications
| Industrial HMI Panel | Secure Edge Sensor Node |
|---|---|
|
Use Scenario: Touch-enabled factory display with real-time diagnostics, local data logging, and firmware update over USB. IC Role / Device Role / Timing Role: Main controller executing RTOS, managing CTSU touch interface, driving LCD via parallel bus (GPIO), and handling USB mass storage class. Use Value: Integrated USBFS and CTSU eliminate external touch controller and USB PHY, reducing BOM cost and PCB area by >35%. |
Use Scenario: Battery-powered environmental monitor transmitting sensor data via CAN to gateway, with secure OTA updates. IC Role / Device Role / Timing Role: Low-power node controller using AGT timers for periodic wake-up, ADC12 for temp/humidity sampling, and SCE9 for signed firmware validation. Use Value: TrustZone isolation prevents malicious firmware from accessing sensor data or cryptographic keys during update process. |
| Motor Control Gateway | Medical Diagnostic Interface |
|
Use Scenario: BLDC motor driver with Hall sensor feedback, PWM generation, and CAN-based command interface. IC Role / Device Role / Timing Role: Real-time motor controller using GPT32 for 3-phase PWM, AGT for precise timing, and CAN for fieldbus communication. Use Value: Six GPT channels and integrated Hall inputs (GTIU/GTIV/GTIW) enable single-chip 3-phase inverter control without external gate drivers. |
Use Scenario: Portable diagnostic device acquiring analog biosignals (ECG, pulse oximetry), converting to digital, and storing locally. IC Role / Device Role / Timing Role: Signal acquisition hub with ADC12 (22-channel, 12-bit), dual DAC12 for calibration references, and SDHI for secure patient data storage. Use Value: On-chip parity/ECC SRAM and data flash ensure reliable long-term storage of sensitive medical records with error correction. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M2AD3CNE#AA0 | 512 KB code flash (vs. 384 KB); identical package, peripherals, and security features. | Required when firmware image size exceeds 384 KB or future-proofing for feature expansion. | Select for larger application code footprint while retaining full pin and software compatibility. |
| R7FA4M2AB3CNE#AA0 | 256 KB code flash, same 48-pin QFN package, reduced SRAM parity allocation (64 KB parity + 64 KB ECC). | Suitable for cost-sensitive, lower-complexity edge nodes where crypto acceleration remains critical. | Choose for budget-constrained deployments needing SCE9/TrustZone but less code space. |
Compared with R7FA4M2AC3CNE#AA0, the AD3CNE variant offers headroom for firmware growth without layout change, while AB3CNE reduces flash cost at the expense of application scalability - both retain identical security, analog, and connectivity capabilities.
Availability
R7FA4M2AC3CNE#AA0 is available at Aetrix Electronics and suitable for industrial HMI, secure edge sensor nodes, motor control gateways, and medical diagnostic interfaces requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA4M2AC3CNE#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 automotive, industrial, and IoT markets.
The RA4M2 Group targets secure, high-performance general-purpose MCU applications, combining Arm Cortex-M33 with integrated USB, SDHI, QSPI, and hardware crypto to accelerate development of certified industrial and medical devices.
FAQ
What is the maximum operating frequency of the R7FA4M2AC3CNE#AA0?
The R7FA4M2AC3CNE#AA0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This speed is achievable with the on-chip PLL driven by the main oscillator (MOSC) or high-speed on-chip oscillator (HOCO). System clocks for peripherals are independently configurable via dividers to balance performance and power consumption.
Does the R7FA4M2AC3CNE#AA0 include an integrated USB transceiver?
Yes, the R7FA4M2AC3CNE#AA0 includes a fully integrated USB 2.0 Full-Speed transceiver. Pins USB_DP and USB_DM connect directly to the USB connector without requiring external PHY components. The module supports both host and device modes and provides up to 10 configurable pipes for endpoint management.
How much SRAM does the R7FA4M2AC3CNE#AA0 provide, and what error protection is implemented?
The R7FA4M2AC3CNE#AA0 provides 128 KB of on-chip SRAM with configurable error protection: 64 KB with parity bits and 64 KB with ECC. This dual-protection scheme ensures reliability for safety-critical applications while maintaining flexibility for real-time data buffers and stack usage in RTOS environments.
What analog peripherals are integrated into the R7FA4M2AC3CNE#AA0?
The R7FA4M2AC3CNE#AA0 integrates a 12-bit ADC12 with up to 22 input channels (including internal temperature sensor and reference voltage), two independent 12-bit DAC12 modules, and a Capacitive Touch Sensing Unit (CTSU) supporting up to 12 electrodes. All analog blocks share dedicated AVCC0/AVSS0 power domains.
Is the R7FA4M2AC3CNE#AA0 pin-compatible with other RA4M2 group members in the same package?
Yes, the R7FA4M2AC3CNE#AA0 is fully pin-compatible with other RA4M2 variants in the 48-pin QFN package (e.g., R7FA4M2AD3CNE#AA0 and R7FA4M2AB3CNE#AA0). Pin functions, electrical characteristics, and mechanical footprint are identical - only flash size and SRAM protection configuration differ between these variants.
R7FA4M2AC3CNE#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- 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:
R7FA4M2AC3CNE#AA0 FAQ
1.How can I place an order for R7FA4M2AC3CNE#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AC3CNE#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 R7FA4M2AC3CNE#AA0 reliable?
The price and inventory of R7FA4M2AC3CNE#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AC3CNE#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AC3CNE#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AC3CNE#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AC3CNE#AA0?
R7FA4M2AC3CNE#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AC3CNE#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 R7FA4M2AC3CNE#AA0?
For technical support, including R7FA4M2AC3CNE#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AC3CNE#AA0 requirements.
6.How does Aetrix verify that R7FA4M2AC3CNE#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AC3CNE#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 R7FA4M2AC3CNE#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AC3CNE#AA0?
All R7FA4M2AC3CNE#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AC3CNE#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 R7FA4M2AC3CNE#AA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AC3CNE#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA4M2AC3CNE#AA0 Tags
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