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Renesas R7FA4M2AC3CFL#BA0
- Part No.:
- R7FA4M2AC3CFL#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FA4M2AC3CFL#BA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 384K/128
- Quantity:
- Payment:
- Shipping:
Inventory:2,467
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Product details
Overview
R7FA4M2AC3CFL#BA0 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, CAN, dual 12-bit DACs, 12-bit ADC (22-channel), CTSU, RTC with VBATT support, and Secure Crypto Engine 9 with TrustZone for secure embedded control in industrial HMI and connected edge devices.
For engineers reviewing the R7FA4M2AC3CFL#BA0 datasheet, R7FA4M2AC3CFL#BA0 pinout, R7FA4M2AC3CFL#BA0 application, or R7FA4M2AC3CFL#BA0 equivalent, key selection considerations include its 48-pin LQFP package, -40°C to +105°C operation, 2.7–3.6 V supply, integrated SCE9 cryptographic accelerators (AES/RSA/ECC/SHA256), and hardware-based tamper detection with three dedicated pins.
Technical Context
The R7FA4M2AC3CFL#BA0 implements Armv8-M architecture with TrustZone-enforced secure/non-secure memory partitioning across flash, SRAM, and peripherals. Its dual Systick timers, MPU_S/MPU_NS (8 regions each), and CoreSight ETM-M33 enable deterministic real-time execution and debug visibility in safety-aware firmware.
System-level integration includes Event Link Controller (ELC) for CPU-free peripheral chaining, DTC for interrupt-triggered transfers, and 8-channel DMAC for high-bandwidth data movement-enabling low-latency sensor fusion, motor control, and secure OTA update pipelines without CPU overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max; supports TrustZone security extension and PMSAv8 memory protection. |
| Memory | 384 KB code flash (background operation), 8 KB data flash (100k P/E cycles), 128 KB SRAM with parity/ECC. |
| Analog | 12-bit ADC12 (22 channels), two 12-bit DAC12 outputs, on-die temperature sensor (TSN) with ADC input path. |
| Connectivity | USB 2.0 FS (internal transceiver), CAN 2.0B (32 mailboxes), SDHI (4-bit bus), QSPI, SCI×6, IIC×2, SPI×1, SSIE (I2S/TDM). |
| Security | Secure Crypto Engine 9 (AES-128/256, RSA-2048/4096, ECC, SHA224/256), 128-bit unique ID, tamper detection on 3 pins. |
| Timers & Control | GPT32×4 + GPT16×4 for PWM/motor control, AGT×6 for low-power timing, RTC with calendar mode and VBATT backup. |
| Package & Environment | 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), 29 GPIO (4 × 5-V tolerant), -40°C to +105°C operating range. |
Pinout & Package
48-pin LQFP package (PLQP0048KB-B), 7 mm × 7 mm body, 0.5 mm pitch, exposed pad not specified. Pin functions validated per Renesas R01DS0367EJ0150 Rev.1.50 datasheet Section 1.6 (top-view assignment) and Table 1.16.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC/VSS pairs ensure stable core/analog domain separation; decoupling required per pin per datasheet layout guidance. |
| P000–P007, P100–P107, P200–P214, P300–P307, P501–P505, P600–P609 | General-purpose I/O | 29 configurable GPIO with 5-V tolerance on 4 pins, N-ch open-drain, pull-up resistors, and SWD debug capability on P300/P301. |
| USB_DP / USB_DM | USB 2.0 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 / QSSL | Quad SPI interface | Direct connection to serial flash/FeRAM; supports XIP and background read while executing from flash. |
| SD0CLK / SD0CMD / SD0DAT0–3 | SD/MMC host interface | 4-bit SDHC/SDXC support with CRC offload; enables local firmware storage and field-upgradable applications. |
| AN00–AN06, DA0, DA1 | Analog I/O | 7 ADC input channels (unit 0), two independent DAC outputs referenced to AVCC0/AVSS0; supports sensor signal conditioning and analog actuator control. |
Key Features
| Feature | Design Value |
|---|---|
| Secure Crypto Engine 9 (SCE9) | Hardware-accelerated AES/RSA/ECC/SHA256 reduces encryption latency by >90% vs. software-only, enabling real-time TLS handshake in resource-constrained edge nodes. |
| Capacitive Touch Sensing Unit (CTSU) | Self-capacitance measurement engine supporting up to 12 touch electrodes with noise immunity; eliminates need for external touch controller in HMI panels. |
| Event Link Controller (ELC) | Configurable hardware routing between 120+ peripheral events (e.g., ADC EOC → DMAC trigger → SRAM store), removing CPU polling and reducing ISR latency to sub-µs. |
| Background Operation Flash | Code flash supports read-while-write (RWW) during program/erase, enabling seamless firmware updates and parameter logging without halting application execution. |
| Low-Power Asynchronous Timers (AGT) | Six independent 16-bit timers clocked by LOCO (32.768 kHz) or IWDT oscillator (15 kHz), sustaining precise timing in Deep Software Standby mode with <1 µA current draw. |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: A factory-floor operator interface with capacitive buttons, status LEDs, and SD-card-based configuration storage. IC Role / Device Role / Timing Role: R7FA4M2AC3CFL#BA0 serves as main controller running RTOS, managing CTSU touch inputs, driving DAC-controlled analog indicators, and logging events to SDHI. Use Value: Integrated CTSU and SDHI eliminate external ICs; TrustZone isolates UI firmware from secure boot loader; 105°C rating ensures reliability in uncooled enclosures. | Use Scenario: A DIN-rail mounted protocol converter aggregating Modbus RTU sensors and forwarding encrypted data via USB or CAN to cloud-connected PLCs. IC Role / Device Role / Timing Role: R7FA4M2AC3CFL#BA0 acts as secure protocol bridge-running SCE9-encrypted TLS stack over USBFS, parsing Modbus frames via SCI, and timestamping packets with RTC+VBATT. Use Value: Hardware crypto acceleration enables 20+ concurrent TLS sessions; CAN + USBFS dual connectivity supports legacy and modern fieldbus integration; 384 KB flash hosts full protocol stacks. |
| Smart Motor Drive Module | Medical Sensor Hub |
Use Scenario: Compact BLDC motor driver with hall-effect feedback, current sensing, and overtemperature protection for HVAC blowers. IC Role / Device Role / Timing Role: R7FA4M2AC3CFL#BA0 executes FOC algorithm using GPT32 PWM outputs, reads ADC12 current/voltage samples, and monitors TSN die temperature for thermal derating. Use Value: Six GPT channels support 3-phase complementary PWM with dead-time insertion; ADC12 sampling synchronized to PWM triggers ensures precise current loop control; 128 KB SRAM buffers waveform data for diagnostics. | Use Scenario: Portable patient monitor collecting ECG, temperature, and SpO₂ signals with local display and USB mass-storage export. IC Role / Device Role / Timing Role: R7FA4M2AC3CFL#BA0 acquires analog biosignals via ADC12, processes them with CRC/DOC units, drives OLED via SSIE, and stores encrypted logs to SDHI. Use Value: Dual DAC12 outputs generate precision reference voltages for analog front-end calibration; SCE9 meets IEC 62304 cryptographic requirements; VBATT-backed RTC maintains audit trail timestamps during battery swaps. |
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 |
|---|---|---|---|
| R7FA4M2AD3CFL#BA0 | 512 KB code flash (vs. 384 KB), identical package/peripherals/security features. | Required when firmware image size exceeds 384 KB or future-proofing for feature expansion is needed. | Select R7FA4M2AD3CFL#BA0 only if additional flash capacity is confirmed necessary; same pinout and software compatibility simplify migration. |
| STM32H723ZGT6 | Arm Cortex-M7 @ 550 MHz, 1 MB flash, no integrated SCE9 or CTSU; different peripheral set (no SDHI/QSPI/AGT). | Better raw compute for DSP/audio; lacks RA4M2's integrated secure element and HMI peripherals. | Choose STM32H723ZGT6 for high-throughput signal processing where TrustZone+crypto acceleration is handled externally; not drop-in compatible. |
Compared with R7FA4M2AD3CFL#BA0, the R7FA4M2AC3CFL#BA0 trades 128 KB flash for lower cost and footprint-ideal for mature designs with stable firmware. Against STM32H723ZGT6, it offers superior integrated security and HMI features but less peak CPU performance, making it optimal for cost-sensitive, secure, sensor-rich edge nodes.
Availability
R7FA4M2AC3CFL#BA0 is available at Aetrix Electronics and suitable for industrial HMI, secure edge gateways, smart motor drives, and medical sensor hubs requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA4M2AC3CFL#BA0 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, power, and SoC solutions for automotive, industrial, and enterprise markets.
The RA4M2 group targets secure, low-power industrial and IoT edge applications, combining Arm TrustZone with integrated peripherals like CTSU, SDHI, and SCE9 to accelerate development of certified, connected devices.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M2AC3CFL#BA0?
The R7FA4M2AC3CFL#BA0 features an Arm Cortex-M33 core compliant with Armv8-M architecture and operates at a maximum frequency of 100 MHz. It includes TrustZone security extensions, dual Systick timers (secure and non-secure), and CoreSight ETM-M33 for real-time trace. This architecture enables deterministic real-time execution with hardware-enforced memory isolation-critical for functional safety and secure firmware partitioning in the R7FA4M2AC3CFL#BA0.
Does the R7FA4M2AC3CFL#BA0 support USB device functionality without external components?
Yes, the R7FA4M2AC3CFL#BA0 integrates a USB 2.0 Full-Speed module with an internal transceiver, supporting device mode without external PHY. It requires only standard USB-series 27 Ω resistors on USB_DP/USB_DM and a 1.5 kΩ pull-up on DP for enumeration. The R7FA4M2AC3CFL#BA0 also supports host mode and provides 10 configurable pipes with buffer memory-making it suitable for USB HID, CDC, or mass-storage implementations in compact edge devices.
How does the Secure Crypto Engine 9 (SCE9) in the R7FA4M2AC3CFL#BA0 improve security implementation?
The SCE9 in the R7FA4M2AC3CFL#BA0 provides hardware-accelerated AES-128/256, RSA-2048/4096, ECC, and SHA224/256 operations, reducing cryptographic latency by over 90% versus software libraries. It includes a 128-bit unique ID, tamper detection on three dedicated pins, and key injection support-all coordinated with Arm TrustZone. This allows the R7FA4M2AC3CFL#BA0 to meet IEC 62443 and Common Criteria requirements for secure boot, firmware signing, and TLS offload without compromising real-time responsiveness.
What analog peripherals are integrated into the R7FA4M2AC3CFL#BA0 and how are they configured?
The R7FA4M2AC3CFL#BA0 integrates a 12-bit ADC12 with up to 22 input channels (7 accessible in 48-pin variant), two independent 12-bit DAC12 outputs, and an on-die temperature sensor (TSN) routed to ADC input. Analog references are configurable via VREFH0/VREFL0 (ADC) and VREFH/VREFL (DAC). These peripherals support hardware-triggered sampling (e.g., GPT sync), DMA transfers, and calibration-enabling precise sensor acquisition and analog actuator control directly within the R7FA4M2AC3CFL#BA0 without external signal conditioning ICs.
Can the R7FA4M2AC3CFL#BA0 operate in low-power modes while maintaining RTC and tamper monitoring?
Yes, the R7FA4M2AC3CFL#BA0 supports Deep Software Standby mode with VBATT-powered retention of RTC, SOSC, backup registers, and tamper detection circuitry-drawing less than 1 µA. Tamper pins remain active and can generate interrupts upon voltage/edge violations, while RTC continues calendar counting with ±1 ppm accuracy using the 32.768 kHz sub-clock. This capability ensures continuous timekeeping and security monitoring in battery-backed applications such as medical loggers or industrial dataloggers using the R7FA4M2AC3CFL#BA0.
R7FA4M2AC3CFL#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RA4M2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 100MHz
- Connectivity:
- CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- AES, DMA, LVD, POR, PWM, 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#BA0 FAQ
1.How can I place an order for R7FA4M2AC3CFL#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AC3CFL#BA0 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#BA0 reliable?
The price and inventory of R7FA4M2AC3CFL#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AC3CFL#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AC3CFL#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AC3CFL#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AC3CFL#BA0?
R7FA4M2AC3CFL#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AC3CFL#BA0 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#BA0?
For technical support, including R7FA4M2AC3CFL#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AC3CFL#BA0 requirements.
6.How does Aetrix verify that R7FA4M2AC3CFL#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AC3CFL#BA0 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#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AC3CFL#BA0?
All R7FA4M2AC3CFL#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AC3CFL#BA0, 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#BA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AC3CFL#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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