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Renesas R7FA4M3AF3CFM#BA0
- Part No.:
- R7FA4M3AF3CFM#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA4M3AF3CFM#BA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 1MB/128K
- Quantity:
- Payment:
- Shipping:
Inventory:3,447
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Product details
Overview
R7FA4M3AF3CFM#BA0 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 1 MB code flash, 8 KB data flash, 128 KB SRAM (with ECC), USB 2.0 Full-Speed, SDHI, Quad SPI, dual CAN, and integrated Secure Crypto Engine + TrustZone for secure embedded control in industrial HMI, motor drives, and IoT edge nodes.
For engineers reviewing the R7FA4M3AF3CFM#BA0 datasheet, R7FA4M3AF3CFM#BA0 pinout, R7FA4M3AF3CFM#BA0 application, or R7FA4M3AF3CFM#BA0 equivalent, key selection criteria include operating temperature range (−40°C to +105°C), 64-pin LQFP package, dual 12-bit ADCs (5 Msps interleaved), CTSU for capacitive touch, and hardware-accelerated AES/RSA/ECC cryptography.
Technical Context
The R7FA4M3AF3CFM#BA0 implements Armv8-M architecture with TrustZone-enforced secure/non-secure execution states, dual MPU instances (8 regions each), and two independent SysTick timers. It integrates SCE9 crypto accelerators supporting AES-128/256, RSA-2048/3072, ECC NIST P-256/P-384, and SHA-224/256.
Its system-level integration includes Event Link Controller (ELC) for CPU-free peripheral chaining, 8-channel DMAC + DTC for autonomous data movement, and AGT timers with deep-software-standby wake capability. The 64-pin LQFP variant provides 41 I/O pins, 9 with 5-V tolerance, and dedicated tamper detection inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz max - enables real-time deterministic control with TrustZone isolation |
| Memory | 1 MB code flash + 8 KB data flash + 128 KB SRAM with ECC - supports background programming and SWAP operations for robust firmware updates |
| Analog | Dual 12-bit ADC (ADC12) × 2, 5 Msps interleaved - delivers high-speed sensor acquisition for motor current/voltage monitoring |
| Connectivity | USB 2.0 Full-Speed (internal transceiver), SDHI, QSPI, 2× CAN 2.0B, 6× SCI, 2× I²C - enables local storage, fieldbus communication, and host/device USB connectivity |
| Security | Secure Crypto Engine 9 + Arm TrustZone - hardware-accelerated AES/RSA/ECC/SHA with tamper detection and lifecycle management |
| Package & Temp | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), −40°C to +105°C - suitable for industrial-grade PCB layouts without BGA assembly complexity |
| Power | VCC = 2.7–3.6 V, battery backup (VBATT) support for RTC and SOSC - enables always-on timekeeping and low-power wake-from-standby operation |
Pinout & Package
64-pin LQFP (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, with 41 general-purpose I/O pins, 9 of which are 5-V tolerant. Includes dedicated pins for USB DP/DM, QSPI IO0–IO3, CAN RX/TX, SDHI bus, and CTSU touch sensing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Core logic power domain; requires local 0.1 µF decoupling per VCC pin |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables precise timing for USB and SDHI synchronization |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates external PHY; compliant with USB 2.0 specification |
| QIO0–QIO3 | Quad SPI data lines | Enables x4 read bandwidth from serial flash; supports memory-mapped execution |
| CRX0 / CTX0 | CAN 0 receive/transmit | Requires external CAN transceiver; supports ISO 11898-1 standard messaging |
| AN000–AN011 | Analog input channels (ADC12 Unit 0) | 12 selectable inputs with internal reference and temperature sensor routing |
| TS0–TS7 | Capacitive touch sense inputs (CTSU) | Direct connection to touch electrodes; supports proximity and button detection without external IC |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone-enforced memory partitioning | Up to 3 secure regions in code flash, 2 in data flash, 3 in SRAM - isolates bootloader, crypto keys, and sensitive firmware |
| Hardware crypto acceleration (SCE9) | AES-128/256 encryption/decryption at >20 MB/s; RSA-2048 sign/verify in <12 ms - offloads CPU for secure OTA updates |
| Event Link Controller (ELC) | Direct hardware linking between 64+ peripheral events - enables timer-triggered ADC sampling → DMA transfer → interrupt-free processing |
| Capacitive Touch Sensing Unit (CTSU) | 20-channel touch sensing with noise immunity and auto-calibration - replaces mechanical buttons in HMI with single-chip solution |
| Dual 12-bit DAC outputs (DAC12) | Independent voltage outputs with configurable settling time - supports analog feedback loops and programmable bias generation |
Applications
| Industrial Motor Control | Secure IoT Edge Gateway |
|---|---|
|
Use Scenario: Brushless DC motor drive with real-time current sensing, position feedback, and fieldbus communication. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithm, managing GPT PWM outputs, sampling dual ADCs at 5 Msps, and communicating via CAN 2.0B. Use Value: Integrated 3-phase PWM outputs (GTOUUP/GTOULO etc.) and Hall sensor inputs (GTIU/GTIV/GTIW) reduce external gate driver count and PCB footprint. |
Use Scenario: Field-deployed gateway aggregating sensor data, performing local analytics, and transmitting encrypted payloads over cellular/Wi-Fi. IC Role / Device Role / Timing Role: Secure root-of-trust node running TLS stack, managing key storage in protected flash, and authenticating firmware updates via SCE9 signature verification. Use Value: Hardware-accelerated ECC and SHA-256 enable sub-100ms firmware signature validation without compromising real-time sensor polling latency. |
| Human-Machine Interface Terminal | Smart Energy Metering |
|
Use Scenario: Panel-mounted display with capacitive touch buttons, real-time clock, and USB configuration port. IC Role / Device Role / Timing Role: HMI processor handling CTSU touch detection, RTC calendar functions, USBFS device mode for PC configuration, and SPI-driven display interface. Use Value: On-chip CTSU eliminates external touch controller IC; VBATT-backed RTC maintains time during main power loss. |
Use Scenario: DIN-rail mounted meter with precision voltage/current measurement, tamper detection, and secure data logging. IC Role / Device Role / Timing Role: Measurement controller acquiring synchronized ADC samples, detecting physical tampering via dedicated tamper pins, and storing encrypted logs in data flash. Use Value: Three dedicated tamper input pins (TAMP0–TAMP2) with secure attribution enable certified anti-tamper compliance per IEC 62055-41. |
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 |
|---|---|---|---|
| R7FA4M3AF2CFM#BA0 | Same core/peripherals but rated for −40°C to +85°C; identical 64-pin LQFP package and pinout | Suitable for commercial/office environments; lacks extended temperature qualification | Select when ambient operating temperature remains below +85°C and industrial certification is not required |
| R7FA4M3AF3CFB#AA0 | Same specs but in 144-pin LQFP (109 I/O, 21× 5-V tolerant); adds QSPI area expansion and extra SCI/I²C channels | Required for designs needing >41 GPIOs, additional CAN/USB interfaces, or larger external memory mapping | Choose when board layout allows larger package and higher I/O count is needed for complex HMI or multi-sensor systems |
Compared with R7FA4M3AF2CFM#BA0, the R7FA4M3AF3CFM#BA0 provides guaranteed operation up to +105°C for harsh industrial settings; compared with R7FA4M3AF3CFB#AA0, it trades I/O count and peripheral density for compact 64-pin LQFP manufacturability and lower BOM cost.
Availability
R7FA4M3AF3CFM#BA0 is available at Aetrix Electronics and suitable for industrial motor control, secure IoT edge gateways, and smart energy metering requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA4M3AF3CFM#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, and power solutions for industrial, automotive, and enterprise applications.
The RA4M3 group, including R7FA4M3AF3CFM#BA0, is designed for secure, high-performance embedded control in resource-constrained industrial and IoT endpoints - balancing Arm Cortex-M33 compute, hardware security, and rich analog/peripheral integration.
FAQ
What is the maximum operating frequency of the R7FA4M3AF3CFM#BA0?
The R7FA4M3AF3CFM#BA0 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 clock oscillator (8–24 MHz crystal) or high-speed on-chip oscillator (HOCO). The core supports dynamic clock scaling to balance performance and power consumption in real-time applications.
Does the R7FA4M3AF3CFM#BA0 support USB device and host functionality?
The R7FA4M3AF3CFM#BA0 includes a USB 2.0 Full-Speed module (USBFS) that supports both device and host controller modes. In device mode, it connects to PCs or hosts; in host mode, it supports low-speed peripherals. The module features an internal transceiver, 10-pipe endpoint buffer, and complies with USB Specification 2.0 - no external PHY is required for basic operation.
How many analog-to-digital converter channels does the R7FA4M3AF3CFM#BA0 provide?
The R7FA4M3AF3CFM#BA0 integrates two independent 12-bit successive approximation ADC units (ADC12): Unit 0 supports up to 12 input channels, Unit 1 supports up to 10, with three shared analog input pins (AN000/AN100, AN001/AN101, AN002/AN102). Total usable analog inputs reach 19, including temperature sensor and internal reference voltage sources.
What security features are implemented in the R7FA4M3AF3CFM#BA0?
The R7FA4M3AF3CFM#BA0 integrates Arm TrustZone for hardware-enforced secure/non-secure state separation and the Secure Crypto Engine 9 (SCE9) with accelerators for AES-128/256, RSA-2048/3072, ECC NIST P-256/P-384, and SHA-224/256. It also provides tamper detection pins, secure key management, and lifecycle control - meeting requirements for secure boot and OTA update integrity.
Is the R7FA4M3AF3CFM#BA0 pin-compatible with other RA4M3 group members?
The R7FA4M3AF3CFM#BA0 is pin-compatible within the 64-pin LQFP variants of the RA4M3 family (e.g., R7FA4M3AE3CFM#BA0, R7FA4M3AD3CFM#BA0), sharing identical PLQP0064KB-C footprint and signal mapping. However, it is not pin-compatible with 100-pin or 144-pin RA4M3 packages due to differing pin counts and I/O allocations.
R7FA4M3AF3CFM#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA4M3
- 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:
- Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT
- Number of I/O:
- 41
- Program Memory Size:
- 1MB (1M 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 11x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M3AF3CFM#BA0 FAQ
1.How can I place an order for R7FA4M3AF3CFM#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M3AF3CFM#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 R7FA4M3AF3CFM#BA0 reliable?
The price and inventory of R7FA4M3AF3CFM#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M3AF3CFM#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M3AF3CFM#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M3AF3CFM#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M3AF3CFM#BA0?
R7FA4M3AF3CFM#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M3AF3CFM#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 R7FA4M3AF3CFM#BA0?
For technical support, including R7FA4M3AF3CFM#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M3AF3CFM#BA0 requirements.
6.How does Aetrix verify that R7FA4M3AF3CFM#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M3AF3CFM#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 R7FA4M3AF3CFM#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M3AF3CFM#BA0?
All R7FA4M3AF3CFM#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M3AF3CFM#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 R7FA4M3AF3CFM#BA0 part is unused and in its original packaging.
Return procedure for R7FA4M3AF3CFM#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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