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Renesas R7FA4M2AC3CFM#BA0
- Part No.:
- R7FA4M2AC3CFM#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA4M2AC3CFM#BA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 384K/128
- Quantity:
- Payment:
- Shipping:
Inventory:3,257
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Product details
Overview
R7FA4M2AC3CFM#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, dual 12-bit DACs, 12-bit ADC (22-channel), CAN, TrustZone security, and SCE9 crypto engine. Used in industrial HMI, secure IoT edge nodes, and motor control gateways requiring real-time responsiveness and tamper-resistant firmware.
For engineers reviewing the R7FA4M2AC3CFM#BA0 datasheet, R7FA4M2AC3CFM#BA0 pinout, R7FA4M2AC3CFM#BA0 application, or R7FA4M2AC3CFM#BA0 equivalent, key selection criteria include its 64-pin LQFP package, -40°C to +105°C operation, integrated CTSU for touch interfaces, dual DAC support for analog actuation, and hardware-accelerated AES/RSA/SHA256 via SCE9.
Technical Context
The R7FA4M2AC3CFM#BA0 implements Armv8-M with TrustZone, enabling secure/non-secure world isolation across memory (flash/SRAM), peripherals, and MPU regions. Its dual Systick timers and CoreSight ETM-M33 support deterministic real-time execution and trace-based debugging.
System-level integration includes Event Link Controller (ELC) for CPU-free peripheral chaining, DTC and 8-channel DMAC for zero-CPU data movement, and AGT timers with deep-software-standby wake capability - all coordinated under a unified clock tree with HOCO/MOCO/LOCO/PLL sources and CAC accuracy monitoring.
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 | 12-bit ADC12 (22 channels), dual 12-bit DAC12, on-die temperature sensor (TSN) with linear output. |
| Connectivity | USB 2.0 FS (host/device), SDHI (SD/SDHC/SDXC), QSPI, CAN 2.0B, 6× SCI, 2× IIC, 1× SPI, SSIE (I2S/TDM). |
| Security | Secure Crypto Engine 9 (AES-128/256, RSA-2048/4096, ECC, SHA224/256), 128-bit unique ID, tamper detection pins. |
| Timers | GPT32 × 4, GPT16 × 4, AGT × 6, RTC with calendar mode (2000–2099), WDT/IWDT with independent clocks. |
| Package & Temp | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), industrial grade (-40°C to +105°C). |
Pinout & Package
64-pin LQFP package (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, lead-free Sn finish. Pin count matches RA4M2 family's 64-pin variant with 43 general-purpose I/O pins, 9 5-V-tolerant inputs, and dedicated function pins for USB, CAN, QSPI, SDHI, and CTSU.
| 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. |
| USB_DP / USB_DM | USB differential data pair | Integrated transceiver; no external PHY needed; supports full-speed (12 Mbps) host/device operation. |
| CTXn / CRXn | CAN transmit/receive | Requires external CAN transceiver; compliant with ISO 11898-1; supports 32 mailboxes and FIFO mode. |
| QSPCLK / QIO0–QIO3 | Quad SPI clock/data lines | Direct interface to serial flash/FeRAM; enables XIP (execute-in-place) and fast boot from external memory. |
| SD0CLK / SD0CMD / SD0DAT[0–3] | SD/MMC bus signals | Supports 1-/4-bit SD/SDHC/SDXC cards; requires SD HALA license for SD-compliant host design. |
| TSn / TSCAP | Capacitive touch sensing | CTSU supports self- and mutual-capacitance measurement; TSCAP supplies secondary drive voltage for robust noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone-enabled memory partitioning | Enables secure bootloader, encrypted firmware updates, and isolated secure services without software overhead. |
| SCE9 cryptographic acceleration | Offloads AES/RSA/SHA operations from CPU; reduces encryption latency by >90% vs. software-only implementation. |
| Event Link Controller (ELC) | Allows direct peripheral-to-peripheral triggering (e.g., ADC conversion start → DMA transfer) without CPU intervention. |
| Dual 12-bit DAC outputs | Provides simultaneous analog waveform generation for motor control feedback or sensor calibration signals. |
| CTSU with noise suppression | Supports up to 12 touch buttons/sliders with built-in shield driver and automatic baseline compensation. |
Applications
| Industrial HMI Panel | Secure IoT Gateway |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with real-time status display and alarm logging. IC Role / Device Role / Timing Role: Main application MCU handling CTSU touch input, USB device communication with PC host, and SDHI-based firmware update storage. Use Value: Integrated CTSU eliminates external touch controller; USBFS + SDHI enable field-upgradable UI assets without external memory controllers. | Use Scenario: Edge node aggregating sensor data from Modbus/RS485 field devices and forwarding to cloud via TLS-secured Wi-Fi/Ethernet bridge. IC Role / Device Role / Timing Role: Secure root-of-trust MCU managing key injection, encrypted data packaging, and tamper-aware boot verification before payload transmission. Use Value: SCE9 + TrustZone provide hardware-backed key storage and crypto acceleration, meeting PSA Level 2 and IEC 62443-3-3 requirements. |
| BLDC Motor Control Gateway | Medical Diagnostic Sensor Hub |
Use Scenario: Compact motor drive module controlling 3-phase BLDC fans or pumps using hall-effect feedback and PWM-driven gate drivers. IC Role / Device Role / Timing Role: Real-time motion controller executing FOC algorithms with GPT32-based 3-phase PWM generation and AGT-based current sampling timing. Use Value: Six GPT channels deliver synchronized high-resolution PWM; dual DACs generate precise reference voltages for analog current sensing circuits. | Use Scenario: Portable diagnostic device acquiring ECG, temperature, and SpO₂ signals with local preprocessing and encrypted storage before clinical review. IC Role / Device Role / Timing Role: Signal acquisition hub with ADC12 sampling at 1 MSPS, TSN-based thermal compensation, and DAC12-driven LED bias for optical sensors. Use Value: On-chip 12-bit ADC/DAC + TSN eliminate external signal conditioning ICs; 128 KB SRAM buffers multi-channel waveforms for offline analysis. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M2AD3CFM#BA0 | 512 KB code flash (vs. 384 KB); identical package, peripherals, and security features. | Preferred when firmware image size exceeds 384 KB or future-proofing for feature expansion is required. | Select if larger code space is needed without changing PCB layout or driver stack. |
| STM32H743VI | Arm Cortex-M7 @ 480 MHz; 2 MB flash, 1 MB RAM; no integrated SCE9 or CTSU; different peripheral set (no SDHI/QSPI). | Better raw compute for DSP-heavy tasks; lacks RA4M2's integrated touch and secure element functionality. | Choose for high-throughput signal processing where TrustZone+SCE9 are not mandatory and external crypto ICs are acceptable. |
Compared with R7FA4M2AD3CFM#BA0, the R7FA4M2AC3CFM#BA0 trades 128 KB flash for lower cost and same footprint; versus STM32H743VI, it offers superior integrated security and HMI features but lower peak CPU performance - making it optimal for cost-sensitive, secure, touch-enabled industrial edge nodes.
Availability
R7FA4M2AC3CFM#BA0 is available at Aetrix Electronics and suitable for industrial HMI, secure IoT gateways, and BLDC motor control applications requiring stable component supply, long-term lifecycle support, and automotive-grade reliability.
Supply support for R7FA4M2AC3CFM#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 industrial, automotive, and enterprise markets.
The RA4M2 group targets mid-range secure microcontrollers for industrial automation and IoT edge devices, emphasizing hardware-based security, rich analog integration, and low-power connectivity without sacrificing real-time determinism.
FAQ
What is the maximum operating frequency of the R7FA4M2AC3CFM#BA0?
The R7FA4M2AC3CFM#BA0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This speed is achievable with the internal PLL driven by the main clock oscillator (MOSC) or high-speed on-chip oscillator (HOCO). The device maintains full peripheral functionality at this rate, including USBFS, SDHI, and QSPI, as confirmed in the R01DS0367EJ0150 datasheet Rev.1.50.
Does the R7FA4M2AC3CFM#BA0 support USB device and host modes?
Yes, the R7FA4M2AC3CFM#BA0 USB 2.0 Full-Speed module supports both device and host modes. It includes an integrated transceiver, 10-pipe endpoint buffer, and complies with USB Specification 2.0. Host mode additionally supports low-speed devices. Configuration is controlled via USBFS registers and requires appropriate descriptor setup in firmware - details are specified in Section 24 of the R7FA4M2AC3CFM#BA0 datasheet.
How many analog-to-digital converter channels does the R7FA4M2AC3CFM#BA0 have?
The R7FA4M2AC3CFM#BA0 integrates a 12-bit successive approximation ADC12 with up to 22 input channels across its ADC unit. Channel allocation depends on pin multiplexing in the 64-pin LQFP package - Table 1.15 confirms 9 channels for the 64-pin variant. Inputs include dedicated analog pins, temperature sensor output, and internal reference voltage, all accessible via configurable scan sequences.
Is the R7FA4M2AC3CFM#BA0 pin-compatible with other RA4M2 family members?
Yes, the R7FA4M2AC3CFM#BA0 is pin-compatible with other 64-pin RA4M2 variants such as R7FA4M2AD3CFM#BA0 and R7FA4M2AB3CFM#BA0. All share identical PLQP0064KB-C package, I/O count (43), and pin functions. Differences are limited to code flash size (384 KB vs. 512 KB/256 KB) and do not affect PCB layout or peripheral routing - verified in Renesas' RA4M2 datasheet Section 1.3 and Table 1.14.
What security features are implemented in hardware on the R7FA4M2AC3CFM#BA0?
The R7FA4M2AC3CFM#BA0 implements Arm TrustZone for memory and peripheral isolation, Secure Crypto Engine 9 (SCE9) with AES-128/256, RSA-2048/4096, ECC, and SHA224/256 acceleration, 128-bit unique ID, tamper detection pins, and secure pin multiplexing. These are all hardware-enforced features documented in Sections 1.12 and 2.12 of the R01DS0367EJ0150 datasheet - no external security IC is required for basic secure boot or encrypted communication.
R7FA4M2AC3CFM#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 44
- 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 9x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M2AC3CFM#BA0 FAQ
1.How can I place an order for R7FA4M2AC3CFM#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AC3CFM#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 R7FA4M2AC3CFM#BA0 reliable?
The price and inventory of R7FA4M2AC3CFM#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AC3CFM#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AC3CFM#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AC3CFM#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AC3CFM#BA0?
R7FA4M2AC3CFM#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AC3CFM#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 R7FA4M2AC3CFM#BA0?
For technical support, including R7FA4M2AC3CFM#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AC3CFM#BA0 requirements.
6.How does Aetrix verify that R7FA4M2AC3CFM#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AC3CFM#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 R7FA4M2AC3CFM#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AC3CFM#BA0?
All R7FA4M2AC3CFM#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AC3CFM#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 R7FA4M2AC3CFM#BA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AC3CFM#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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