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Renesas R7FA4M2AC3CNE#BA0
- Part No.:
- R7FA4M2AC3CNE#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FA4M2AC3CNE#BA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 384K/128
- Quantity:
- Payment:
- Shipping:
Inventory:3,942
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Product details
Overview
R7FA4M2AC3CNE#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), CTSU, CAN, and Secure Crypto Engine 9 with TrustZone for secure embedded control in industrial HMI and connected edge devices.
For engineers reviewing the R7FA4M2AC3CNE#BA0 datasheet, R7FA4M2AC3CNE#BA0 pinout, R7FA4M2AC3CNE#BA0 application, or R7FA4M2AC3CNE#BA0 equivalent, key selection criteria include its QFN-48 package, -40°C to +105°C operation, integrated SCE9 cryptographic accelerators (AES/RSA/ECC/SHA256), and dual-domain timer architecture supporting motor control and real-time sensing.
Technical Context
The R7FA4M2AC3CNE#BA0 implements Armv8-M with TrustZone, enabling secure/non-secure execution domains backed by separate MPUs (8 regions each) and memory region attribution for flash/SRAM/peripherals. Its dual-core timer system includes four 32-bit GPTs for PWM generation and six low-power AGTs for event counting without CPU wake-up.
Connectivity combines protocol-specific modules: SCI ×6 (UART/IIC/SPI/Manchester), IIC ×2, SPI ×1, CAN 2.0B (32 mailboxes), USBFS (host/device with internal transceiver), QSPI (serial flash interface), SDHI (SD/SDHC/SDXC), and SSIE (I2S/TDM audio). Analog subsystem includes ADC12 (22 inputs), DAC12 ×2, and on-die temperature sensor with linear output.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max; supports TrustZone security extension and PMSAv8 MPU |
| Memory | 384 KB code flash (background operation), 8 KB data flash (100k P/E cycles), 128 KB SRAM with parity/ECC |
| Analog Peripherals | 12-bit ADC12 (22 channels, internal ref/temp sensor), dual 12-bit DAC12 outputs |
| Security | Secure Crypto Engine 9 (AES/RSA/ECC/DSA/SHA224/SHA256), 128-bit unique ID, tamper detection |
| Package & Temp | 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), industrial grade (-40°C to +105°C) |
| I/O Capability | 29 general-purpose I/O pins, 4 with 5-V tolerance, N-ch open-drain, pull-up resistors |
| Power Supply | VCC = 2.7–3.6 V; includes VBATT backup for RTC/SOSC/backup memory |
Pinout & Package
48-pin QFN package (PWQN0048KC-A), 7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad. Pin functions validated per Renesas R01DS0367EJ0150 Rev.1.50 datasheet Section 1.6 and Table 1.16.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC/VSS pairs ensure stable core/analog domain decoupling; AVCC0/AVSS0 isolate analog section |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates external PHY; supports host/device mode with 10-pipe endpoint buffer |
| QIO0–QIO3 / QSPCLK / QSSL | Quad SPI interface signals | Direct connection to serial flash/EEPROM; supports x4 read/write for high-speed firmware updates |
| AN00–AN21 | Analog input channels | 22 dedicated ADC inputs with selectable internal reference or temperature sensor routing |
| DA0 / DA1 | Digital-to-analog outputs | Two independent 12-bit DAC outputs with configurable voltage reference (VREFH/VREFL) |
| TS0–TS11 | Capacitive touch sense inputs | 12-channel CTSU for button/slider/wheel HMI; supports self-capacitance measurement with software correlation |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone with memory region partitioning | Enables secure boot, encrypted firmware update, and isolated peripheral access across three flash/SRAM regions |
| Secure Crypto Engine 9 (SCE9) | Hardware-accelerated AES-128/256, RSA-2048/4096, ECC-P256/P384, SHA224/SHA256 for TLS/OTA signing |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering without CPU intervention-e.g., ADC conversion start → DMA transfer |
| Low-power AGT timers | Six 16-bit asynchronous timers running from LOCO (32.768 kHz) enable sub-millisecond wake-up from Deep Software Standby |
| USBFS with internal transceiver | Eliminates external PHY components; supports CDC/DFU/HID class drivers out-of-box for rapid device enumeration |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: Touch-enabled front panel with real-time energy display, tariff switching, and local configuration via capacitive buttons. IC Role / Device Role / Timing Role: Main application controller handling CTSU touch decoding, LCD refresh timing, and secure metering data logging. Use Value: Integrated CTSU reduces BOM cost vs. external touch IC; SCE9 enables AES-encrypted firmware updates and secure key storage for tariff validation. | Use Scenario: DIN-rail mounted meter with pulse counting, voltage/current sampling, and remote communication via CAN/USB. IC Role / Device Role / Timing Role: Central acquisition unit managing 22-channel ADC sampling, RTC calendar-based billing, and CAN bus messaging. Use Value: 22 ADC inputs support simultaneous voltage/current/temperature monitoring; CAN module complies with ISO 11898-1 for robust fieldbus integration. |
| Connected Building Controller | BLDC Motor Drive Module |
Use Scenario: HVAC zone controller with environmental sensing, actuator control, and cloud connectivity via USB/SD card. IC Role / Device Role / Timing Role: System-on-chip managing SDHI-based firmware storage, USBFS for field service, and RTC-backed scheduling. Use Value: SDHI supports FAT32-formatted cards for firmware updates and log export; USBFS host mode enables direct USB flash drive access. | Use Scenario: Compact fan/pump driver using 3-phase PWM, hall sensor feedback, and overcurrent protection. IC Role / Device Role / Timing Role: Motion controller generating complementary PWM outputs (GTOUUP/GTOULO etc.) synchronized with AGT-triggered ADC sampling. Use Value: Four GPT32 timers provide independent 3-phase PWM with dead-time insertion; hall sensor inputs (GTIU/GTIV/GTIW) enable precise commutation timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M2AD3CNE#BA0 | 512 KB code flash (vs. 384 KB), same QFN-48 package, identical peripherals and clocking | Required for larger firmware images or future-proofing with extended feature sets | Select when >384 KB flash is needed without changing PCB layout or pin compatibility |
| R7FA6M2AF3CFP#AA0 | 120 MHz Cortex-M33, 1 MB flash, 256 KB SRAM, LQFP-100 package, adds Ethernet MAC and higher-speed USB HS | Targeted at networked gateway applications requiring TCP/IP stack and higher throughput | Choose for Ethernet-connected systems where footprint and cost allow larger package and increased memory |
Compared with R7FA4M2AD3CNE#BA0, the R7FA4M2AC3CNE#BA0 trades 128 KB flash for identical security, analog, and interface capabilities in the same compact QFN-48 form factor; versus R7FA6M2AF3CFP#AA0, it offers lower cost and smaller footprint at the expense of Ethernet and higher-speed USB.
Availability
R7FA4M2AC3CNE#BA0 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, building automation, and BLDC motor control applications requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA4M2AC3CNE#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The RA4M2 Group targets secure, high-performance general-purpose microcontrollers for industrial and consumer edge devices, emphasizing TrustZone-based security, rich analog integration, and low-power connectivity.
FAQ
What is the maximum operating frequency of the R7FA4M2AC3CNE#BA0?
The R7FA4M2AC3CNE#BA0 features an Arm Cortex-M33 core with a maximum operating frequency of 100 MHz. This speed is achieved using the on-chip PLL driven by the main oscillator (MOSC) or high-speed on-chip oscillator (HOCO), and is fully supported across its -40°C to +105°C operating range. The R7FA4M2AC3CNE#BA0 maintains timing compliance under all specified voltage (2.7–3.6 V) and temperature conditions.
Does the R7FA4M2AC3CNE#BA0 support USB device and host functionality?
Yes, the R7FA4M2AC3CNE#BA0 integrates a USB 2.0 Full-Speed module (USBFS) that supports both device and host modes. It includes an internal transceiver, 10-pipe endpoint buffer, and supports all USB 2.0 transfer types (control, interrupt, bulk, isochronous). As a device, it supports CDC, HID, and DFU classes; as a host, it handles low-speed and full-speed peripherals. The R7FA4M2AC3CNE#BA0 requires no external PHY.
How many analog-to-digital converter channels does the R7FA4M2AC3CNE#BA0 have?
The R7FA4M2AC3CNE#BA0 includes a 12-bit successive approximation ADC (ADC12) with up to 22 input channels. These channels support multiplexed analog inputs, internal temperature sensor voltage, and internal reference voltage selection. Channel mapping and sampling sequence are fully programmable via register configuration, and conversions can be triggered by software, timers, or external events. The R7FA4M2AC3CNE#BA0 also provides two independent 12-bit DAC outputs (DAC12).
What security features are implemented in the R7FA4M2AC3CNE#BA0?
The R7FA4M2AC3CNE#BA0 integrates Arm TrustZone for Armv8-M and the Secure Crypto Engine 9 (SCE9). TrustZone enables hardware-enforced separation of secure/non-secure code and data, with configurable memory regions for flash, SRAM, and peripherals. SCE9 provides hardware acceleration for AES-128/256, RSA-2048/4096, ECC-P256/P384, DSA, and SHA224/SHA256, plus tamper detection and 128-bit unique ID. The R7FA4M2AC3CNE#BA0 supports secure boot, encrypted firmware updates, and key injection workflows.
Is the R7FA4M2AC3CNE#BA0 pin-compatible with other RA4M2 family members?
Yes, the R7FA4M2AC3CNE#BA0 is pin-compatible with other 48-pin RA4M2 variants in the same package type-including R7FA4M2AD3CNE#BA0 (512 KB flash) and R7FA4M2AB3CNE#BA0 (256 KB flash). All share identical QFN-48 pinout, I/O assignment, power/ground placement, and peripheral signal mapping. This allows seamless migration between flash densities without PCB redesign. The R7FA4M2AC3CNE#BA0 is not pin-compatible with 64-pin or 100-pin RA4M2 packages.
R7FA4M2AC3CNE#BA0 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:
- 30
- 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 7x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M2AC3CNE#BA0 FAQ
1.How can I place an order for R7FA4M2AC3CNE#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AC3CNE#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 R7FA4M2AC3CNE#BA0 reliable?
The price and inventory of R7FA4M2AC3CNE#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AC3CNE#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AC3CNE#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AC3CNE#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AC3CNE#BA0?
R7FA4M2AC3CNE#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AC3CNE#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 R7FA4M2AC3CNE#BA0?
For technical support, including R7FA4M2AC3CNE#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AC3CNE#BA0 requirements.
6.How does Aetrix verify that R7FA4M2AC3CNE#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AC3CNE#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 R7FA4M2AC3CNE#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AC3CNE#BA0?
All R7FA4M2AC3CNE#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AC3CNE#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 R7FA4M2AC3CNE#BA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AC3CNE#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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