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Renesas R7FA4M2AB3CFL#BA0
- Part No.:
- R7FA4M2AB3CFL#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FA4M2AB3CFL#BA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 256K/128
- Quantity:
- Payment:
- Shipping:
Inventory:1,598
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Product details
Overview
R7FA4M2AB3CFL#BA0 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 256 KB code flash, 8 KB data flash, 128 KB SRAM (with parity/ECC), USB 2.0 Full-Speed, SDHI, QSPI, dual 12-bit DACs, 12-bit ADC (up to 7 channels), and integrated Secure Crypto Engine 9 with AES/RSA/ECC/SHA256 for secure firmware updates in industrial HMI applications.
For engineers reviewing the R7FA4M2AB3CFL#BA0 datasheet, R7FA4M2AB3CFL#BA0 pinout, R7FA4M2AB3CFL#BA0 application, or R7FA4M2AB3CFL#BA0 equivalent, this page delivers verified package mapping (48-pin LQFP), validated peripheral integration (CAN, USBFS, CTSU), real-world timing constraints (100 MHz max CPU clock, 32.768 kHz RTC), and precise alternative selection guidance for secure, low-power embedded control designs.
Technical Context
The R7FA4M2AB3CFL#BA0 implements Armv8-M architecture with TrustZone security partitioning, supporting up to three secure/non-secure memory regions in flash and SRAM. Its dual Systick timers (Secure/Non-secure) and CoreSight ETM-M33 enable deterministic real-time execution and trace-based debugging.
System-level integration includes Event Link Controller (ELC) for hardware-triggered peripheral chaining, Data Transfer Controller (DTC) for interrupt-driven transfers, and 8-channel DMAC for zero-CPU-overhead data movement-critical for concurrent USBFS, SDHI, and analog acquisition workflows.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max; enables real-time deterministic control with TrustZone isolation for secure boot and firmware update partitions. |
| Memory | 256 KB code flash (background operation), 8 KB data flash (100k P/E cycles), 128 KB SRAM with parity/ECC; supports robust field firmware updates and data logging. |
| Analog Peripherals | 12-bit ADC (7 input channels), dual 12-bit DACs, on-die temperature sensor; enables closed-loop motor control and sensor signal conditioning without external ICs. |
| Connectivity | USB 2.0 Full-Speed (internal transceiver), CAN 2.0B, SDHI (4-bit), QSPI, 6× SCI, 2× I2C, SPI, SSIE; supports industrial gateway connectivity with local storage and wired bus interfaces. |
| Security | Secure Crypto Engine 9 (AES-128/256, RSA-2048, ECC-256, SHA256), 128-bit unique ID, tamper detection pins; meets IEC 62443-3-3 SL2 requirements for secure device identity and encrypted OTA updates. |
| Package & Temp | 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), -40°C to +105°C operating range; suitable for compact industrial control modules with extended thermal margins. |
| Power Management | VCC = 2.7–3.6 V; includes RTC with VBATT backup, AGT timers for ultra-low-power wake-up, and multiple low-power modes; enables battery-backed operation in edge nodes. |
Pinout & Package
48-pin LQFP (PLQP0048KB-B), 7 mm × 7 mm, 0.5 mm pitch, lead-free (Sn only). Pin count: 29 I/O, 4 with 5-V tolerance, 30 pull-up resistors, N-ch open-drain outputs on all I/O pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC/VSS pairs ensure stable core/analog power delivery; decoupling required per datasheet layout guidelines. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables precise timing for USB frame generation and real-time control loops. |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar mode and low-power wake-up timing. |
| 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) for fast boot and code overlay loading. |
| AN0–AN6 | Analog input channels | 7 dedicated ADC inputs; shared with GPIO; support internal reference (VREFH0/VREFL0) or external reference for precision sensing. |
| DA0 / DA1 | Dual 12-bit DAC outputs | Independent voltage outputs; usable for analog setpoint generation, audio waveform synthesis, or calibration signal injection. |
| P000–P007, P100–P107, etc. | General-purpose I/O ports | 29 programmable pins with 5-V tolerant capability on 4 pins; configurable as UART, I2C, PWM, or capacitive touch (CTSU) electrodes. |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone with memory region partitioning | Enables secure bootloader and isolated firmware update environment; prevents unauthorized access to cryptographic keys stored in secure flash regions. |
| Capacitive Touch Sensing Unit (CTSU) | Supports up to 4 touch electrodes; eliminates need for external touch controller in HMI panels; operates during low-power AGT wake-up intervals. |
| Event Link Controller (ELC) | Hardware routing of peripheral events (e.g., ADC conversion complete → DMA trigger → USBFS transmit); reduces CPU load and jitter in time-critical data pipelines. |
| Realtime Clock with VBATT backup | Maintains calendar time across main power loss; retains 100-year Gregorian calendar with leap-year correction; powers from coin cell via VBATT pin. |
| Secure Crypto Engine 9 acceleration | Offloads AES-128 encryption at >10 MB/s; performs RSA-2048 signature verification in <12 ms; enables secure firmware signing without impacting application latency. |
Applications
| Industrial HMI Panel | Secure Firmware Update Gateway |
|---|---|
|
Use Scenario: Compact operator interface with touch buttons, status LEDs, and local data logging. IC Role / Device Role / Timing Role: Main application processor executing RTOS, driving CTSU for touch detection, managing USBFS for PC configuration, and logging sensor data to SD card via SDHI. Use Value: Integrated 7-channel ADC and dual DACs eliminate external signal conditioning ICs; 48-pin LQFP enables PCB area reduction vs. 64/100-pin variants. |
Use Scenario: Field-deployed edge node receiving signed firmware images over CAN or USB and validating them before flash programming. IC Role / Device Role / Timing Role: Secure root-of-trust MCU verifying ECDSA signatures using SCE9, enforcing TrustZone-protected flash write access, and managing lifecycle state transitions. Use Value: Hardware-accelerated SHA256 and RSA-2048 reduce OTA validation time to under 15 ms; 8 KB data flash provides reliable non-volatile key storage. |
| BLDC Motor Control Module | Low-Power Sensor Aggregator |
|
Use Scenario: 3-phase brushless DC motor driver with Hall sensor feedback, current sensing, and thermal monitoring. IC Role / Device Role / Timing Role: Real-time controller generating complementary PWM outputs (GTOUUP/GTOULO, etc.) synchronized to Hall inputs (GTIU/GTIV/GTIW), sampling ADC for phase current, and regulating speed via PID loop. Use Value: GPT32 timers with dead-time insertion and Hall-input synchronization eliminate external gate drivers; 100 MHz core ensures sub-1 µs loop execution. |
Use Scenario: Battery-powered environmental monitor aggregating temperature, humidity, and vibration data for periodic BLE or LoRaWAN upload. IC Role / Device Role / Timing Role: Ultra-low-power coordinator waking every 5 seconds via AGT timer, reading ADC/TSN, buffering data in SRAM, then transmitting via SCI UART to radio module. Use Value: AGT timers draw <1 µA in standby; RTC with VBATT maintains accurate wake schedule; 128 KB SRAM buffers 2+ hours of sensor history without external memory. |
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 |
|---|---|---|---|
| R7FA4M2AC3CFL#BA0 | 384 KB code flash (vs. 256 KB), same 48-pin LQFP, identical peripherals and security features. | Required when firmware image size exceeds 256 KB; no PCB or software changes needed beyond flash layout adjustment. | Select R7FA4M2AC3CFL#BA0 if future firmware growth or feature expansion demands additional code space without changing board design. |
| R7FA2E1A93CFK#AA0 | Arm Cortex-M23 core (60 MHz), 256 KB flash, 32 KB SRAM, no USBFS, no SDHI, no QSPI, no SCE9. | Lacks TrustZone, crypto acceleration, and high-speed interfaces; suitable only for cost-sensitive, non-secure, low-bandwidth control tasks. | Choose R7FA2E1A93CFK#AA0 only for simple sensor nodes where USB/SD/QSPI are unused and security is not required-R7FA4M2AB3CFL#BA0 remains superior for integrated functionality. |
Compared with R7FA4M2AC3CFL#BA0, the R7FA4M2AB3CFL#BA0 trades flash capacity for lower BOM cost while retaining full peripheral and security compatibility; versus R7FA2E1A93CFK#AA0, it delivers 67% higher CPU performance, TrustZone isolation, and hardware crypto-making it essential for secure, connected industrial endpoints.
Availability
R7FA4M2AB3CFL#BA0 is available at Aetrix Electronics and suitable for industrial HMI panels, secure firmware update gateways, BLDC motor controllers, low-power sensor aggregators, and USB-connected embedded devices requiring stable component supply across multi-year production cycles.
Supply support for R7FA4M2AB3CFL#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 global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets, with over 40 years of embedded systems expertise.
The RA4M2 group targets secure, high-performance industrial and IoT edge applications, combining Arm Cortex-M33 with integrated USB, SDHI, QSPI, and SCE9 to accelerate development of certified, connected, and tamper-resistant devices.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M2AB3CFL#BA0?
The R7FA4M2AB3CFL#BA0 features an Arm Cortex-M33 core operating at up to 100 MHz, based on the Armv8-M architecture with TrustZone security extensions. It implements PMSAv8 memory protection, dual Systick timers (Secure/Non-secure), and CoreSight ETM-M33 for trace-based debugging-enabling deterministic real-time execution in safety- and security-critical applications.
Does the R7FA4M2AB3CFL#BA0 include hardware cryptographic acceleration?
Yes, the R7FA4M2AB3CFL#BA0 integrates Secure Crypto Engine 9 (SCE9), which provides hardware acceleration for AES-128/256 encryption/decryption, RSA-2048 signature generation/verification, ECC-256 operations, and SHA224/SHA256 hash generation. It also includes a 128-bit unique ID and tamper detection pins-meeting foundational requirements for secure boot and OTA firmware updates.
What package type and pin count does the R7FA4M2AB3CFL#BA0 use?
The R7FA4M2AB3CFL#BA0 uses a 48-pin LQFP package (PLQP0048KB-B), measuring 7 mm × 7 mm with 0.5 mm pitch. It provides 29 general-purpose I/O pins, 4 of which are 5-V tolerant, along with dedicated pins for USB_DP/DM, QSPI, SDHI, CAN, and analog functions-all validated in the official Renesas pin assignment diagram for this variant.
How much on-chip memory does the R7FA4M2AB3CFL#BA0 have, and what types are supported?
The R7FA4M2AB3CFL#BA0 includes 256 KB of code flash memory with background operation, 8 KB of data flash memory rated for 100,000 program/erase cycles, and 128 KB of SRAM with parity/ECC error detection and correction. This memory configuration supports robust firmware updates, persistent parameter storage, and real-time data buffering without external RAM.
Which communication interfaces are integrated into the R7FA4M2AB3CFL#BA0?
The R7FA4M2AB3CFL#BA0 integrates USB 2.0 Full-Speed (with internal transceiver), CAN 2.0B, SD/MMC Host Interface (SDHI), Quad SPI (QSPI), 6× Serial Communications Interface (SCI), 2× I2C, 1× SPI, Serial Sound Interface Enhanced (SSIE), and Control Area Network (CAN). All interfaces are fully documented in the R01DS0367EJ0150 datasheet and supported by Renesas FSP drivers.
R7FA4M2AB3CFL#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:
- 256KB (256K 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:
R7FA4M2AB3CFL#BA0 FAQ
1.How can I place an order for R7FA4M2AB3CFL#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AB3CFL#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 R7FA4M2AB3CFL#BA0 reliable?
The price and inventory of R7FA4M2AB3CFL#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AB3CFL#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AB3CFL#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AB3CFL#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AB3CFL#BA0?
R7FA4M2AB3CFL#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AB3CFL#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 R7FA4M2AB3CFL#BA0?
For technical support, including R7FA4M2AB3CFL#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AB3CFL#BA0 requirements.
6.How does Aetrix verify that R7FA4M2AB3CFL#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AB3CFL#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 R7FA4M2AB3CFL#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AB3CFL#BA0?
All R7FA4M2AB3CFL#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AB3CFL#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 R7FA4M2AB3CFL#BA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AB3CFL#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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