Renesas R7FA4M2AB3CFM#AA0
- Part No.:
- R7FA4M2AB3CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA4M2AB3CFM#AA0.pdf
- Description:
- IC MCU 32BIT 254KB FLASH 64LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,740
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Product details
Overview
R7FA4M2AB3CFM#AA0 from Renesas is a 32-bit Arm Cortex-M33 microcontroller operating at up to 100 MHz, featuring 256 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 R7FA4M2AB3CFM#AA0 datasheet, R7FA4M2AB3CFM#AA0 pinout, R7FA4M2AB3CFM#AA0 application, or R7FA4M2AB3CFM#AA0 equivalent, this page delivers verified specifications, package mapping, functional pin roles, security architecture details, and real-world use cases - all confirmed against Renesas R01DS0367EJ0150 Rev.1.50.
Technical Context
The R7FA4M2AB3CFM#AA0 implements Armv8-M with TrustZone, enabling hardware-isolated secure and non-secure execution environments. Its memory subsystem includes 256 KB code flash with background operation, 8 KB data flash rated for 100,000 P/E cycles, and 128 KB SRAM with configurable parity or ECC protection.
Peripherals are tightly coupled via Event Link Controller (ELC) and Data Transfer Controller (DTC), enabling CPU-free signal routing between timers, ADC, and communication modules. The integrated SCE9 accelerates AES, RSA, ECC, SHA256, and GHASH operations while supporting tamper detection and 128-bit unique ID.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz max; supports TrustZone security extension and dual SysTick timers (Secure/Non-secure) |
| Memory | 256 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), VREFH/VREFL support |
| Connectivity | USB 2.0 Full-Speed (internal transceiver), CAN 2.0B, SDHI (SD/SDHC/SDXC), QSPI, 6× SCI, 2× IIC, SPI, SSIE |
| Timers | GPT32 × 4, GPT16 × 4, AGT × 6, RTC with calendar mode (2000–2099), WDT/IWDT with independent clock |
| Security | SCE9 crypto engine (AES/RSA/ECC/SHA256), TrustZone memory/peripheral partitioning, tamper pins, lifecycle management |
| Package & Temp | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), -40°C to +105°C operating range |
Pinout & Package
64-pin LQFP package (PLQP0064KB-C), 43 general-purpose I/O pins, 9 pins 5-V tolerant, N-ch open-drain outputs on all I/O, VBATT pin for RTC battery backup, dedicated USB_DP/USB_DM pins with internal transceiver, and 3 tamper-detection pins (TAMP0–TAMP2).
| 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 | Integrated USB 2.0 FS transceiver; no external PHY needed; supports host/device modes |
| P000–P507 | General-purpose I/O | 43 programmable I/Os with pull-up, open-drain, 5-V tolerance (9 pins), and peripheral multiplexing |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables precise timing for USB, CAN, and high-speed peripherals |
| VBATT | Battery backup supply | Directly powers RTC, SOSC, and backup registers during main power loss; retains calendar/time |
| TAMP0–TAMP2 | Tamper detection inputs | Secure monitoring of physical intrusion; triggers secure erase and system lockdown when asserted |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone-enabled memory partitioning | Up to three secure/non-secure regions in code flash, two in data flash, three in SRAM - enforced at hardware level |
| Background flash operation | Code flash read/write during program execution enables seamless firmware updates without halting MCU |
| Secure Crypto Engine 9 (SCE9) | Hardware-accelerated AES-128/256, RSA-2048/4096, ECC-P256/P384, SHA256, and GHASH - no software overhead |
| Capacitive Touch Sensing Unit (CTSU) | 12-channel touch sensing with noise immunity; supports slider, wheel, and proximity detection without external components |
| Event Link Controller (ELC) | Direct hardware linking of 64+ peripheral events (e.g., ADC end-of-conversion → GPT start) eliminates CPU polling latency |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
|
Use Scenario: A factory-floor operator panel with capacitive buttons, real-time status display, and local data logging. IC Role / Device Role / Timing Role: R7FA4M2AB3CFM#AA0 serves as main controller - running CTSU for touch input, USBFS for PC connectivity, SDHI for log storage, and RTC for timestamping. Use Value: Integrated CTSU eliminates external touch IC; 128 KB SRAM buffers UI rendering; TrustZone isolates firmware update logic from runtime HMI code. |
Use Scenario: Field-deployed IoT gateway aggregating Modbus RTU sensor data and forwarding via encrypted TLS over cellular. IC Role / Device Role / Timing Role: R7FA4M2AB3CFM#AA0 acts as secure protocol translator - using SCE9 for TLS key exchange, CAN for fieldbus comms, and USBFS for configuration port. Use Value: Hardware crypto acceleration reduces TLS handshake time by >70% vs. software-only; tamper pins detect enclosure breach and trigger secure wipe. |
| Medical Infusion Pump | Automotive Body Control Module |
|
Use Scenario: Battery-powered infusion pump requiring precise motor control, safety-critical alarms, and audit-trail logging. IC Role / Device Role / Timing Role: R7FA4M2AB3CFM#AA0 manages BLDC motor drive (via GPT32 PWM), ADC-based flow sensing, RTC-timestamped event logs, and VBATT-backed alarm timer. Use Value: Dual DAC12 outputs enable analog pressure feedback; ECC SRAM prevents silent memory corruption; IWDT with independent clock ensures fail-safe reset on lockup. |
Use Scenario: In-vehicle lighting and window control module interfacing with CAN bus and capacitive switches. IC Role / Device Role / Timing Role: R7FA4M2AB3CFM#AA0 functions as body controller - handling CAN message filtering, CTSU for door handle touch, GPT for LED dimming PWM, and LIN-over-SCI for slave nodes. Use Value: CAN module supports 32 mailboxes with FIFO mode for robust message queuing; 5-V tolerant I/O interfaces directly with legacy automotive sensors. |
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 |
|---|---|---|---|
| R7FA4M2AD3CFM#AA0 | 512 KB code flash (vs. 256 KB), same 64-pin LQFP, identical peripherals and security features | Required for larger firmware images or OTA update dual-bank schemes; no PCB change needed | Select when future firmware growth or secure dual-bank boot is required; pinout and layout identical |
| STM32H743VI | Arm Cortex-M7 @ 480 MHz, 2 MB flash, no integrated USB PHY, no SCE9, no CTSU, different TrustZone implementation | Better raw compute for DSP/audio; lacks built-in touch sensing and hardware crypto acceleration for TLS | Choose for high-throughput signal processing; avoid if USB device mode, tamper resistance, or CTSU are mandatory |
Compared with R7FA4M2AD3CFM#AA0, the R7FA4M2AB3CFM#AA0 trades flash capacity for cost-sensitive designs while retaining full peripheral and security compatibility; versus STM32H743VI, it offers lower-power secure boot, integrated USB PHY, and purpose-built touch sensing - reducing BOM count and firmware complexity.
Availability
R7FA4M2AB3CFM#AA0 is available at Aetrix Electronics and suitable for industrial HMI, secure edge gateways, medical infusion pumps, automotive body controllers, and battery-backed RTC applications requiring stable component supply across extended temperature ranges.
Supply support for R7FA4M2AB3CFM#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 industrial, automotive, and enterprise markets.
The RA4M2 Group targets secure, low-power industrial and IoT edge applications - combining Arm TrustZone, hardware crypto acceleration, and rich analog/peripheral integration for rapid development of certified embedded systems.
FAQ
What is the maximum operating frequency of the R7FA4M2AB3CFM#AA0?
The R7FA4M2AB3CFM#AA0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This speed is achievable with the main clock oscillator (MOSC), PLL, or high-speed on-chip oscillator (HOCO). Frequency stability is enhanced by the Clock Frequency Accuracy Measurement Circuit (CAC), which validates clock sources in real time.
Does the R7FA4M2AB3CFM#AA0 include an integrated USB transceiver?
Yes, the R7FA4M2AB3CFM#AA0 includes a fully integrated USB 2.0 Full-Speed transceiver. Pins USB_DP and USB_DM connect directly to the USB connector without external PHY components. The module supports both host and device modes and provides up to 10 bidirectional pipes with dedicated buffer memory.
How many tamper detection pins does the R7FA4M2AB3CFM#AA0 have, and what is their function?
The R7FA4M2AB3CFM#AA0 provides three dedicated tamper detection pins: TAMP0, TAMP1, and TAMP2. These inputs monitor physical intrusion attempts and trigger immediate secure actions - including erasure of sensitive keys in SCE9, disabling of debug interfaces, and forced entry into secure lockdown state - as defined in its device lifecycle management framework.
What analog peripherals are integrated into the R7FA4M2AB3CFM#AA0?
The R7FA4M2AB3CFM#AA0 integrates a 12-bit successive-approximation ADC12 with up to 22 input channels, two independent 12-bit DAC12 modules, and an on-die temperature sensor (TSN). All analog blocks share dedicated AVCC0/AVSS0 power domains and support separate reference voltage inputs (VREFH0/VREFL0 for ADC, VREFH/VREFL for DAC).
Is the R7FA4M2AB3CFM#AA0 pin-compatible with other RA4M2 group members in the same package?
Yes, the R7FA4M2AB3CFM#AA0 is fully pin-compatible with other RA4M2 variants in the 64-pin LQFP package (e.g., R7FA4M2AC3CFM#AA0 and R7FA4M2AD3CFM#AA0). All share identical pin assignments, electrical characteristics, and peripheral mappings - enabling scalable firmware deployment across flash-size variants without PCB revision.
R7FA4M2AB3CFM#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- 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:
- 44
- Program Memory Size:
- 254KB (254K 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:
R7FA4M2AB3CFM#AA0 FAQ
1.How can I place an order for R7FA4M2AB3CFM#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AB3CFM#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 R7FA4M2AB3CFM#AA0 reliable?
The price and inventory of R7FA4M2AB3CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AB3CFM#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AB3CFM#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AB3CFM#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AB3CFM#AA0?
R7FA4M2AB3CFM#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AB3CFM#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 R7FA4M2AB3CFM#AA0?
For technical support, including R7FA4M2AB3CFM#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AB3CFM#AA0 requirements.
6.How does Aetrix verify that R7FA4M2AB3CFM#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AB3CFM#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 R7FA4M2AB3CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AB3CFM#AA0?
All R7FA4M2AB3CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AB3CFM#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 R7FA4M2AB3CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AB3CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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