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Renesas R7FA4M2AB3CFM#HA0
- Part No.:
- R7FA4M2AB3CFM#HA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA4M2AB3CFM#HA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 256K/128
- Quantity:
- Payment:
- Shipping:
Inventory:2,826
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Product details
Overview
R7FA4M2AB3CFM#HA0 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, dual 12-bit DACs, 12-bit ADC (22-channel), CAN, CTSU, and Secure Crypto Engine 9 with TrustZone for secure embedded control in industrial HMI and connected edge devices.
For engineers reviewing the R7FA4M2AB3CFM#HA0 datasheet, R7FA4M2AB3CFM#HA0 pinout, R7FA4M2AB3CFM#HA0 application, or R7FA4M2AB3CFM#HA0 equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternative options - all grounded in Renesas R01DS0367EJ0150 Rev.1.50 documentation and official RA4M2 product specifications.
Technical Context
The R7FA4M2AB3CFM#HA0 implements Armv8-M architecture with TrustZone security extension, supporting secure/non-secure execution environments via dual MPU instances (8 regions each) and hardware-isolated peripherals. Its clock system includes MOSC (8–24 MHz), SOSC (32.768 kHz), HOCO/MOCO/LOCO oscillators, and dual PLLs enabling precise frequency synthesis for USB, SDHI, and audio timing.
It features six low-power AGT timers, four 32-bit and four 16-bit GPTs for motor control (including 3-phase BLDC PWM outputs), and integrated analog subsystems: ADC12 with temperature sensor input, dual DAC12 outputs, and CTSU with 12 touch channels. The SCE9 accelerator handles AES, RSA/ECC, SHA256, and GHASH with tamper-resistant key management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz max - enables deterministic real-time control with TrustZone isolation for secure firmware partitioning. |
| Memory | 256 KB code flash + 8 KB data flash + 128 KB SRAM (parity/ECC) - supports background programming and robust data logging in industrial environments. |
| Connectivity | USB 2.0 FS (internal transceiver), CAN 2.0B, SDHI (4-bit), QSPI, 6× SCI, 2× IIC, 1× SPI, SSIE - enables direct interface to memory, sensors, displays, and fieldbus peripherals without external glue logic. |
| Analog | 12-bit ADC (22 ch), dual 12-bit DAC, on-die TSN - provides precision sensor acquisition and analog output for closed-loop control and calibration. |
| Security | SCE9 + Arm TrustZone - delivers hardware-accelerated crypto (AES/RSA/ECC/SHA256), tamper detection, and lifecycle-managed secure boot for IoT endpoint authentication. |
| Package & Temp | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), -40°C to +105°C - suitable for space-constrained industrial control modules requiring extended thermal reliability. |
| I/O | 43 GPIO, 9× 5-V tolerant, N-ch open-drain, pull-up - simplifies interfacing with legacy 5 V logic and industrial sensors while reducing BOM count. |
Pinout & Package
Package: 64-pin LQFP (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, lead-free (Sn).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital (VCC/VSS) and analog (AVCC0/AVSS0); decoupling required per Renesas layout guidelines for noise immunity. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal or external clock; enables precise timing for USB and high-speed serial interfaces. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates need for external PHY; requires 27 Ω series resistors and proper PCB impedance control (90 Ω diff). |
| CRXn / CTXn | CAN bus interface | Requires external CAN transceiver (e.g., TJA1042); supports ISO 11898-1 compliant messaging with 32 mailboxes. |
| SD0CLK / SD0CMD / SD0DAT[0:3] | SD/MMC host interface | 4-bit SDHC/SDXC support; enables local firmware updates and data logging via removable media without host processor overhead. |
| P0xx / P1xx / P2xx / P3xx / P5xx / P6xx | General-purpose I/O | 43 configurable pins with 5-V tolerance on 9 signals; supports peripheral function multiplexing (SCI, IIC, SPI, GPT, AGT) via register-controlled pin muxing. |
Key Features
| Feature | Design Value |
|---|---|
| Secure Crypto Engine 9 (SCE9) | Hardware-accelerated AES-128/256, RSA-2048, ECC-P256, SHA256, and 128-bit unique ID - reduces secure boot time by >90% vs. software-only implementation. |
| Capacitive Touch Sensing Unit (CTSU) | 12-channel self-capacitive sensing with built-in noise cancellation - enables robust touch buttons/sliders on HMI panels without external ICs or shielding. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC conversion → DMA transfer → GPT capture) - eliminates CPU polling and reduces latency to sub-microsecond levels. |
| Low Power Asynchronous Timers (AGT × 6) | 16-bit timers driven by LOCO (32.768 kHz) - sustains accurate timekeeping and wake-up events during Deep Software Standby with <1 µA current draw. |
| Realtime Clock (RTC) with VBATT | Calendar mode (2000–2099), battery-backed operation - maintains timestamp integrity across main power loss for data-logging and scheduling in energy-harvesting systems. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
|
Use Scenario: A wall-mounted display unit with capacitive touch buttons, real-time energy consumption graphs, and RS-485 communication to utility gateways. IC Role / Device Role / Timing Role: Main application controller handling GUI rendering, touch response, secure metering data encryption, and RTC-synchronized logging. Use Value: Integrated CTSU eliminates external touch controller; SCE9 enables DLMS/COSEM-compliant AES-128 encryption; SDHI allows firmware updates via microSD card. |
Use Scenario: DIN-rail mounted electricity meter with pulse counting, tariff switching, tamper detection, and secure remote firmware updates over PLC or NB-IoT. IC Role / Device Role / Timing Role: Secure metering SoC managing metrology interface (via SPI/SCI), cryptographic signing of consumption data, and anti-tamper event logging. Use Value: Tamper pins (3x) trigger secure erase on physical intrusion; TrustZone isolates metrology firmware from update stack; 105°C rating ensures reliability in enclosed enclosures. |
| Programmable Logic Controller (PLC) I/O Module | Connected Building Gateway |
|
Use Scenario: DIN-rail mounted digital I/O expansion module with CAN bus connectivity to main PLC CPU, supporting 16-channel isolated inputs and relay outputs. IC Role / Device Role / Timing Role: Fieldbus interface controller executing cyclic CAN message handling, GPIO state scanning, and watchdog supervision. Use Value: CAN module supports 32 mailboxes and FIFO mode for deterministic message handling; 43 GPIO with 5-V tolerance simplify interface to industrial sensors and actuators. |
Use Scenario: Edge gateway aggregating BACnet MS/TP, Modbus RTU, and KNX devices into a unified MQTT cloud interface with local rule engine and OTA update capability. IC Role / Device Role / Timing Role: Protocol translation hub managing multiple serial buses, USB-based configuration port, and secure TLS handshake via SCE9. Use Value: USBFS acts as virtual COM port for field technician setup; QSPI boots from external flash for dual-bank OTA; SDHI stores historical HVAC logs locally before upload. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M2AD3CFM#HA0 | 512 KB code flash (vs. 256 KB), same 64-pin LQFP package, identical peripherals and security features. | Required where larger firmware image size or future-proofing for feature-rich firmware updates is needed. | Select when firmware growth exceeds 256 KB or when design reuse across RA4M2 variants demands maximum flash headroom. |
| STM32H743VI | Arm Cortex-M7 @ 480 MHz, 2 MB flash, no integrated SCE9 or CTSU; requires external crypto IC and touch controller. | Better raw compute for DSP-intensive tasks, but higher BOM cost and design complexity for secure/touch-enabled applications. | Choose only if M7 performance is mandatory and external security/touch components are acceptable in cost and footprint budget. |
Compared with R7FA4M2AD3CFM#HA0, the R7FA4M2AB3CFM#HA0 trades flash capacity for lower unit cost while retaining identical security, analog, and connectivity features - making it optimal for cost-sensitive, volume industrial controllers. Versus STM32H743VI, it delivers superior integration for secure HMI and metering with lower total system cost and reduced validation effort.
Availability
R7FA4M2AB3CFM#HA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, programmable logic controller I/O modules, and connected building gateways requiring stable component supply across multi-year production cycles.
Supply support for R7FA4M2AB3CFM#HA0 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 automotive, industrial, and IoT markets, with deep expertise in embedded security and real-time control.
The RA4M2 Group targets cost-optimized, secure industrial edge devices - combining Arm TrustZone, SCE9, and rich analog/peripheral integration to accelerate development of certified, long-lifecycle embedded systems.
FAQ
What is the maximum operating frequency of the R7FA4M2AB3CFM#HA0?
The R7FA4M2AB3CFM#HA0 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), and is fully supported across its -40°C to +105°C operating temperature range. The R7FA4M2AB3CFM#HA0 maintains timing compliance under worst-case voltage (2.7 V) and temperature conditions per Renesas R01DS0367EJ0150 specification.
Does the R7FA4M2AB3CFM#HA0 include an integrated USB transceiver?
Yes, the R7FA4M2AB3CFM#HA0 integrates a full-speed USB 2.0 transceiver with dedicated VCC_USB and VSS_USB power domains. It supports both host and device modes, includes 10 configurable pipes, and requires only external 27 Ω series resistors on USB_DP and USB_DM lines. No external PHY is needed, simplifying board design and reducing BOM cost for USB-connected industrial devices.
How many analog-to-digital converter (ADC) channels does the R7FA4M2AB3CFM#HA0 support?
The R7FA4M2AB3CFM#HA0 includes a 12-bit successive approximation ADC (ADC12) with up to 22 input channels, including dedicated inputs for the on-die temperature sensor and internal reference voltage. Channel selection is fully configurable via registers, and conversions can be triggered by software, timers, or external signals - enabling flexible sensor monitoring in industrial control applications using the R7FA4M2AB3CFM#HA0.
What security features are implemented in the R7FA4M2AB3CFM#HA0?
The R7FA4M2AB3CFM#HA0 integrates Arm TrustZone for hardware-enforced secure/non-secure world separation, a Secure Crypto Engine 9 (SCE9) with AES-128/256, RSA-2048, ECC-P256, SHA256, and GHASH acceleration, plus tamper detection on three dedicated pins. It also supports secure key injection, device lifecycle management, and debug access level control - all documented in the R7FA4M2AB3CFM#HA0 security chapter of R01DS0367EJ0150.
Is the R7FA4M2AB3CFM#HA0 pin-compatible with other RA4M2 group members?
Yes, the R7FA4M2AB3CFM#HA0 is pin-compatible with other 64-pin LQFP variants in the RA4M2 family, including R7FA4M2AC3CFM#HA0 and R7FA4M2AD3CFM#HA0. All share identical pin assignments, electrical characteristics, and peripheral mappings per Renesas pinout diagrams (R01DS0367EJ0150 Figure 1.16). This allows seamless migration between flash sizes without PCB redesign when using the R7FA4M2AB3CFM#HA0 footprint.
R7FA4M2AB3CFM#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA4M2
- Packaging:
- Tape & Reel (TR)
- 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:
- 43
- 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 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#HA0 FAQ
1.How can I place an order for R7FA4M2AB3CFM#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AB3CFM#HA0 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#HA0 reliable?
The price and inventory of R7FA4M2AB3CFM#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AB3CFM#HA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AB3CFM#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AB3CFM#HA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AB3CFM#HA0?
R7FA4M2AB3CFM#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AB3CFM#HA0 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#HA0?
For technical support, including R7FA4M2AB3CFM#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AB3CFM#HA0 requirements.
6.How does Aetrix verify that R7FA4M2AB3CFM#HA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AB3CFM#HA0 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#HA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AB3CFM#HA0?
All R7FA4M2AB3CFM#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AB3CFM#HA0, 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#HA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AB3CFM#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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