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Renesas R7FA4M2AB3CNE#AA5
- Part No.:
- R7FA4M2AB3CNE#AA5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FA4M2AB3CNE#AA5.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 256K/128
- Quantity:
- Payment:
- Shipping:
Inventory:1,526
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Product details
Overview
R7FA4M2AB3CNE#AA5 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 256 KB code flash, 8 KB data flash, 128 KB SRAM (64 KB parity + 64 KB ECC), USB 2.0 Full-Speed, CAN, SDHI, QSPI, dual 12-bit DACs, 12-bit ADC (7-channel), CTSU, and integrated Secure Crypto Engine 9 with TrustZone for secure embedded control in industrial HMI and connected edge devices.
For engineers reviewing the R7FA4M2AB3CNE#AA5 datasheet, R7FA4M2AB3CNE#AA5 pinout, R7FA4M2AB3CNE#AA5 application, or R7FA4M2AB3CNE#AA5 equivalent, this page delivers verified package mapping (48-pin QFN), validated peripheral configuration, confirmed security architecture (SCE9 + TrustZone), real-world timing roles (RTC with VBATT backup, AGT for low-power wake-up), and precise alternative selection guidance for RA4M2-family migration paths.
Technical Context
The R7FA4M2AB3CNE#AA5 implements Armv8-M with TrustZone, enabling hardware-isolated secure/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 split into 64 KB parity-protected and 64 KB ECC-protected regions.
Connectivity integrates one CAN 2.0B controller (32 mailboxes), USBFS with internal transceiver, SDHI supporting SD/SDHC/SDXC, QSPI for serial memory, six SCI channels with UART/SPI/IIC modes, two IIC interfaces, and SSIE for I2S/TDM audio. Analog subsystem features ADC12 (7 inputs), DAC12 × 2, and TSN with linear die-temperature response.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max; supports TrustZone security extension and PMSAv8 MPU with 8 secure + 8 non-secure regions. |
| Memory | 256 KB code flash (background operation), 8 KB data flash (100k P/E cycles), 128 KB SRAM (64 KB parity + 64 KB ECC). |
| Analog Peripherals | ADC12: 7-channel 12-bit SAR with internal reference and temperature sensor input; DAC12 × 2: 12-bit voltage-output converters. |
| Timers | GPT32 × 4 (32-bit PWM/timer), GPT16 × 4 (16-bit PWM/timer), AGT × 6 (16-bit low-power asynchronous timer), RTC with calendar mode and VBATT support. |
| Security | Secure Crypto Engine 9 (AES/RSA/ECC/SHA256), Arm TrustZone (flash/SRAM/peripheral regioning), tamper detection on up to 3 pins. |
| Package & Temp | 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), -40°C to +105°C operating range, 29 GPIOs including 4 with 5-V tolerance. |
| Communication | CAN 2.0B (32 mailboxes), USBFS (internal transceiver, 10-pipe support), SDHI (1-/4-bit bus), QSPI, SCI × 6, IIC × 2, SPI × 1, SSIE (I2S/TDM master/slave). |
Pinout & Package
48-pin QFN package (PWQN0048KC-A) with exposed thermal pad; 29 general-purpose I/O pins, 4 of which are 5-V tolerant, plus dedicated analog (AVCC0/AVSS0/VREFH/VREFL/VREFH0/VREFL0), power (VCC/VSS/VBATT/VCC_USB/VSS_USB), clock (XTAL/EXTAL/XCIN/XCOUT/CLKOUT), debug (SWDIO/SWCLK/SWO/TCK/TDO), and peripheral-specific pins (USB_DP/USB_DM, CAN_CRX/CAN_CTX, QSPCLK/QSSL/QIO0–QIO3, SD0CLK/SD0CMD/SD0DAT0–3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual 2.7–3.6 V digital core supply; decoupling required per pin; VSS also serves as analog ground (AVSS0). |
| VBATT | Battery backup input | Enables RTC calendar retention and SOSC operation during main power loss; connects to coin-cell or backup source. |
| USB_DP / USB_DM | USB 2.0 differential data lines | Internal transceiver eliminates need for external PHY; supports full-speed (12 Mbps) device/host operation with 10-pipe buffer. |
| CAN_CRX / CAN_CTX | CAN bus receive/transmit | Direct interface to external CAN transceiver (e.g., TJA1042); supports ISO 11898-1, standard/extended frames, FIFO/mailbox modes. |
| QSPCLK / QSSL / QIO0–QIO3 | Quad SPI interface | Drives serial NOR/EEPROM/FeRAM via 4-bit data bus; enables XIP and high-speed memory-mapped access up to 60 MHz. |
| SD0CLK / SD0CMD / SD0DAT0–3 | SD/MMC host interface | Supports SD/SDHC/SDXC cards at 1-/4-bit widths; requires SD Host License Agreement for compliance certification. |
| AN00–AN06 | ADC12 analog inputs | 7-channel single-ended inputs; selectable internal reference (VREFH0/VREFL0) or temperature sensor output for calibration. |
| DA00 / DA01 | DAC12 analog outputs | Two independent 12-bit voltage-output DACs; each with configurable output buffer and reference (VREFH/VREFL). |
Key Features
| Feature | Design Value |
|---|---|
| Secure Crypto Engine 9 | Hardware-accelerated AES-128/256, RSA-2048/4096, ECC-P256/P384, SHA224/SHA256, GHASH, and 128-bit unique ID for key binding. |
| TrustZone-enabled memory partitioning | Configurable secure/non-secure regions across 256 KB flash, 128 KB SRAM, and peripherals-enabling certified secure boot and firmware updates. |
| Low-power asynchronous timers (AGT × 6) | 16-bit down-counters with independent clock sources (LOCO, SOSC, or sub-clock); enable wake-up from Deep Software Standby with <1 µA current draw. |
| Capacitive Touch Sensing Unit (CTSU) | Self-capacitance measurement engine supporting up to 12 touch electrodes; operates concurrently with CPU sleep, enabling ultra-low-power HMI wake-up. |
| Realtime Clock with battery backup | Gregorian calendar (2000–2099), leap-year correction, and VBATT-powered operation; retains time/date during main power loss without external components. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: Touch-enabled front-panel interface for motor drives and PLCs with local display and configuration. IC Role / Device Role / Timing Role: Main application processor executing RTOS, driving capacitive touch overlay via CTSU, managing USBFS for field-service firmware updates, and synchronizing CAN-based motor control loops. Use Value: Integrated CTSU eliminates external touch controller; TrustZone isolates secure firmware update path; 128 KB SRAM enables multi-threaded UI + control stack. |
Use Scenario: DIN-rail mounted electricity meter with tariff switching, tamper detection, and remote communication via CAN or USB. IC Role / Device Role / Timing Role: System controller handling metrology data aggregation, RTC-based billing intervals, SCE9-secured firmware signing, and CAN bus reporting to concentrator. Use Value: Tamper pins detect enclosure breach; VBATT-backed RTC ensures accurate billing during outages; SCE9 accelerates AES-128 encryption for DLMS/COSEM payloads. |
| Edge Gateway Controller | Medical Sensor Hub |
Use Scenario: Protocol-bridging gateway aggregating BLE/Wi-Fi sensor data and forwarding to cloud via Ethernet or cellular modem. IC Role / Device Role / Timing Role: Central coordinator using SDHI for local logging, QSPI for OTA image storage, USBFS for diagnostics, and AGT timers for low-power sensor polling intervals. Use Value: QSPI enables fast XIP execution of protocol stacks; 256 KB flash accommodates multiple firmware variants; USBFS simplifies field technician debugging. |
Use Scenario: Portable patient monitor collecting ECG, temperature, and SpO₂ via analog front-end, with local display and USB data export. IC Role / Device Role / Timing Role: Signal acquisition controller running ADC12 sampling at 1 MSPS, DAC12 for reference generation, SSIE for audio alerts, and RTC for timestamped clinical logs. Use Value: Dual DAC12 provides precision bias/reference voltages; 12-bit ADC12 with internal TSN enables on-chip temperature compensation; medical-grade ECC SRAM ensures data integrity. |
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 |
|---|---|---|---|
| R7FA4M2AC3CNE | 384 KB code flash, same 48-pin QFN package, identical peripheral set and security features. | Requires larger firmware footprint; suitable when bootloader + application + OTA image exceed 256 KB. | Select R7FA4M2AC3CNE only if code size exceeds 256 KB; pinout, clocking, and debug interface are identical. |
| R7FA4M2AB3CFM | 256 KB code flash, 64-pin LQFP package (PLQP0064KB-C), adds 14 additional GPIOs and 5-V tolerant pins. | Enables more complex I/O routing and legacy 5-V peripheral interfacing; occupies larger PCB area. | Choose R7FA4M2AB3CFM when board layout requires >29 GPIOs or 5-V signal compatibility; otherwise R7FA4M2AB3CNE offers higher density. |
Compared with R7FA4M2AB3CNE#AA5, R7FA4M2AC3CNE provides 128 KB more flash for larger firmware but identical security and analog capability, while R7FA4M2AB3CFM trades compact QFN for expanded I/O count and 5-V tolerance in LQFP-making the QFN variant optimal for space-constrained, cost-sensitive edge nodes where 256 KB suffices.
Availability
R7FA4M2AB3CNE#AA5 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, edge gateways, and medical sensor hubs requiring stable component supply, long-term lifecycle assurance, and automotive-grade temperature resilience (-40°C to +105°C).
Supply support for R7FA4M2AB3CNE#AA5 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 applications.
The RA4M2 group targets secure, high-performance edge applications with Arm Cortex-M33 cores, integrated crypto engines, and rich analog/connectivity-designed for industrial automation, building control, and IoT endpoints demanding functional safety and cybersecurity.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M2AB3CNE#AA5?
The R7FA4M2AB3CNE#AA5 features an Arm Cortex-M33 core operating at up to 100 MHz, implementing the Armv8-M architecture with TrustZone security extension and PMSAv8 Memory Protection Unit. It supports both secure and non-secure execution states, with dual SysTick timers and CoreSight ETM-M33 for trace debugging. This architecture enables deterministic real-time performance alongside hardware-enforced security boundaries critical for certified industrial firmware.
Does the R7FA4M2AB3CNE#AA5 include hardware cryptographic acceleration?
Yes, the R7FA4M2AB3CNE#AA5 integrates the Secure Crypto Engine 9 (SCE9), providing hardware acceleration for AES-128/256 encryption/decryption, RSA-2048/4096 signing/verification, ECC-P256/P384 operations, SHA224/SHA256 hashing, and GHASH authentication. It also includes a 128-bit unique ID for key binding and tamper-resistant key injection-enabling FIPS-compliant secure boot and firmware update verification without software overhead.
What are the memory resources available on the R7FA4M2AB3CNE#AA5?
The R7FA4M2AB3CNE#AA5 provides 256 KB of code flash memory with background operation (allowing read-while-write), 8 KB of data flash memory rated for 100,000 program/erase cycles, and 128 KB of on-chip SRAM divided into 64 KB with parity protection and 64 KB with ECC. This memory configuration supports robust firmware storage, parameter retention, and fault-tolerant runtime data handling essential for industrial control applications.
Which communication interfaces does the R7FA4M2AB3CNE#AA5 support?
The R7FA4M2AB3CNE#AA5 supports CAN 2.0B (32 mailboxes), USB 2.0 Full-Speed with internal transceiver, SD/MMC Host Interface (SDHI), Quad SPI (QSPI), six Serial Communications Interfaces (SCI) with UART/SPI/IIC modes, two I2C interfaces, one SPI channel, Serial Sound Interface Enhanced (SSIE), and a Control Area Network (CAN) module. All interfaces are accessible within its 48-pin QFN package, with dedicated pins for USB_DP/USB_DM, CAN_CRX/CAN_CTX, and QSPI data/control signals.
What is the package type and operating temperature range for the R7FA4M2AB3CNE#AA5?
The R7FA4M2AB3CNE#AA5 uses a 48-pin QFN package (PWQN0048KC-A) measuring 7 mm × 7 mm with 0.5 mm pitch and an exposed thermal pad. It operates across an industrial temperature range of -40°C to +105°C, with 29 general-purpose I/O pins-including 4 that are 5-V tolerant-and dedicated power, analog, clock, debug, and peripheral signal pins mapped to the QFN footprint.
R7FA4M2AB3CNE#AA5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- 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:
- 29
- 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:
R7FA4M2AB3CNE#AA5 FAQ
1.How can I place an order for R7FA4M2AB3CNE#AA5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AB3CNE#AA5 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 R7FA4M2AB3CNE#AA5 reliable?
The price and inventory of R7FA4M2AB3CNE#AA5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AB3CNE#AA5 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AB3CNE#AA5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AB3CNE#AA5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AB3CNE#AA5?
R7FA4M2AB3CNE#AA5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AB3CNE#AA5 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 R7FA4M2AB3CNE#AA5?
For technical support, including R7FA4M2AB3CNE#AA5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AB3CNE#AA5 requirements.
6.How does Aetrix verify that R7FA4M2AB3CNE#AA5 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AB3CNE#AA5 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 R7FA4M2AB3CNE#AA5 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AB3CNE#AA5?
All R7FA4M2AB3CNE#AA5 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AB3CNE#AA5, 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 R7FA4M2AB3CNE#AA5 part is unused and in its original packaging.
Return procedure for R7FA4M2AB3CNE#AA5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA4M2AB3CNE#AA5 Tags
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