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Renesas R7FA6M4AF3CFB#AA0
- Part No.:
- R7FA6M4AF3CFB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FA6M4AF3CFB#AA0.pdf
- Description:
- MCU RA6 ARM CM33 200MHZ 1M/256K
- Quantity:
- Payment:
- Shipping:
Inventory:4,223
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Product details
Overview
R7FA6M4AF3CFB#AA0 from Renesas is a high-performance 32-bit Arm Cortex-M33 microcontroller operating at up to 200 MHz, featuring 1 MB dual-bank code flash with background/swap operation, 8 KB data flash, and 256 KB SRAM with parity/ECC. It integrates Ethernet MAC, USB 2.0 Full-Speed, SDHI, QSPI/OSPI, dual CAN, advanced analog (dual 12-bit ADC/DAC, temperature sensor), and hardware security (SCE9 + Arm TrustZone). It targets industrial gateways requiring secure, real-time connectivity and deterministic control.
For engineers reviewing the R7FA6M4AF3CFB#AA0 datasheet, R7FA6M4AF3CFB#AA0 pinout, R7FA6M4AF3CFB#AA0 application, or R7FA6M4AF3CFB#AA0 equivalent, key selection criteria include its -40°C to +105°C extended temperature rating, 144-pin LQFP package with 109 I/Os, dual CAN 2.0B support, Ethernet MAC with RMII interface, and integrated Secure Crypto Engine for AES/RSA/SHA256 acceleration.
Technical Context
The R7FA6M4AF3CFB#AA0 implements Armv8-M architecture with TrustZone-enabled memory isolation, supporting secure/non-secure execution environments. Its dual-bank flash enables live firmware updates without system interruption, while SCE9 provides dedicated hardware acceleration for symmetric (AES), asymmetric (RSA/ECC), and hash (SHA224/SHA256) operations.
It features a comprehensive peripheral set including 10 SCI channels (UART/SPI/I²C/Manchester), 2 I²C, 2 SPI, QSPI/OSPI controllers, ETHERC/EDMAC for zero-CPU packet handling, and GPT32/GPT16 timers for motor control (BLDC 3-phase PWM) and precise timing. The device supports multiple clock sources (MOSC/SOSC/HOCO/PLL) and low-power modes with RTC+VBATT backup.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 200 MHz with TrustZone, MPU_S/MPU_NS (8 regions each) |
| Memory | 1 MB dual-bank code flash (background/swap), 8 KB data flash (100k P/E cycles), 256 KB SRAM with parity/ECC |
| Connectivity | Ethernet MAC (RMII), USB 2.0 FS (host/device), SDHI, QSPI/OSPI, 2× CAN 2.0B, 10× SCI, 2× I²C, 2× SPI |
| Analog | Dual 12-bit ADC12 (5 Msps interleaved, 19 total inputs), dual 12-bit DAC12, on-die temperature sensor (TSN) |
| Security | Secure Crypto Engine 9 (AES/RSA/ECC/SHA224/SHA256), 128-bit unique ID, tamper detection, lifecycle management |
| Package & Temp | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), -40°C to +105°C operating range |
| I/O | 109 programmable I/O pins, 21× 5-V tolerant, N-ch open-drain, pull-up resistors on 110 pins |
Pinout & Package
Package: 144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, lead-free (Sn only).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Primary core power domain (2.7–3.6 V); decoupling required per datasheet layout guidelines |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 8–24 MHz external crystal; enables precise clock source for Ethernet/USB timing |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar and battery-backed timekeeping |
| ETH_MDC / ETH_MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO/MDC bus for PHY configuration and status monitoring |
| ETH_TXD0–1 / ETH_RXD0–1 | Ethernet data lanes (RMII) | 2-bit transmit/receive data path; requires matched trace length and 50-Ω termination for signal integrity |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | On-chip transceiver; requires 90-Ω differential impedance and ESD protection per USB spec |
| CRX0 / CTX0, CRX1 / CTX1 | CAN 2.0B receive/transmit pairs | Each pair connects to external CAN transceiver (e.g., TJA1042); supports 1 Mbps baud rate |
| AD000–AD011, AD100–AD109 | Analog input channels | 12-channel (Unit 0) + 10-channel (Unit 1) ADC inputs; shared pins (e.g., AN000/AN100) enable simultaneous sampling |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP operation | Enables seamless over-the-air (OTA) firmware updates without halting real-time tasks or losing network connectivity |
| ETHERC + EDMAC with descriptor-based DMA | Offloads Ethernet frame processing from CPU; supports scatter-gather DMA for TCP/IP stack efficiency |
| Secure Crypto Engine 9 (SCE9) | Hardware-accelerated AES-128/256 encryption/decryption in <100 cycles per block; eliminates software crypto bottlenecks |
| GPT32 × 4 + GPT16 × 6 with POEG | Generates synchronized 3-phase PWM for BLDC motor control with dead-time insertion and fault protection via POEG |
| CTSU with 20-channel support | Enables robust capacitive touch UI (buttons/sliders) with noise immunity and automatic drift compensation |
| Event Link Controller (ELC) | Direct hardware linking of peripherals (e.g., ADC trigger → DMA transfer → interrupt) eliminates CPU polling overhead |
Applications
| Industrial Ethernet Gateway | Secure Edge Node Controller |
|---|---|
|
Use Scenario: Aggregating Modbus RTU/TCP field devices into MQTT/HTTP cloud protocols with TLS 1.2 encryption. IC Role / Device Role / Timing Role: Primary application processor managing protocol translation, secure TLS handshake, and real-time EtherCAT slave timing via GPT/ELC synchronization. Use Value: Dual CAN and Ethernet MAC allow concurrent fieldbus and upstream network connectivity; SCE9 accelerates TLS record encryption by 8× vs. software-only implementation. |
Use Scenario: Remote monitoring of HVAC systems with encrypted sensor telemetry (temperature, humidity, CO₂) and OTA firmware updates. IC Role / Device Role / Timing Role: Secure host MCU executing trusted firmware, validating signed update images using SCE9 RSA-2048, and maintaining accurate time via RTC+VBATT during mains failure. Use Value: 109 I/Os support direct connection to multiple sensors/actuators; dual 12-bit ADCs enable simultaneous multi-sensor acquisition with <1 µs inter-channel skew. |
| Smart Energy Meter Hub | Medical IoT Data Collector |
|
Use Scenario: Substation-level energy metering hub collecting data from 3-phase smart meters via RS-485 (SCI) and forwarding via cellular/Ethernet with digital signature. IC Role / Device Role / Timing Role: High-integrity data aggregator performing SHA256 hashing of meter readings and signing with SCE9-generated ECC keys before transmission. Use Value: 8 KB data flash stores cryptographic keys and audit logs with 100,000 erase cycles; -40°C to +105°C rating ensures reliability in outdoor enclosures. |
Use Scenario: Portable patient monitor aggregating ECG, SpO₂, and temperature data, encrypting payloads before BLE/Wi-Fi transmission. IC Role / Device Role / Timing Role: Low-power medical-grade controller using AGT timers for precise sensor sampling intervals and SCE9 for HIPAA-compliant AES-GCM encryption. Use Value: 256 KB SRAM with ECC prevents bit-flip corruption in critical health data; CTSU enables glove-compatible touch interface for clinical environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M4AF3CBM#AA0 | Same core/peripherals but in 144-pin BGA (PLBG0144KB-A); no 5-V tolerant I/Os | Better thermal dissipation and higher board density; unsuitable for legacy 5-V logic interfacing | Select for space-constrained industrial PCBs where BGA assembly is available and 5-V tolerance is unnecessary |
| R7FA6M5AF3CFB#AA0 | RA6M5 variant: adds 16-bit SAR ADC (1 Msps), removes OSPI, adds CAN FD support | Higher analog precision for sensor fusion; CAN FD required for automotive diagnostics or faster fieldbus | Select when CAN FD bandwidth or enhanced ADC resolution outweighs need for OctaFlash expansion capability |
Compared with R7FA6M4AF3CFB#AA0, the R7FA6M4AF3CBM#AA0 offers identical functionality in a smaller BGA footprint but sacrifices 5-V tolerant I/Os needed for mixed-voltage systems, while the R7FA6M5AF3CFB#AA0 trades OSPI for CAN FD and a higher-resolution ADC-making it preferable for automotive diagnostics or precision analog acquisition where OctaFlash is not required.
Availability
R7FA6M4AF3CFB#AA0 is available at Aetrix Electronics and suitable for industrial gateways, secure edge controllers, and smart energy metering systems requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA6M4AF3CFB#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for industrial, automotive, and enterprise applications.
The RA6M4 group is designed for secure, connected industrial edge devices-emphasizing real-time performance, hardware-enforced security, and rich connectivity (Ethernet/CAN/USB/SDHI) in extended-temperature packages.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M4AF3CFB#AA0?
The R7FA6M4AF3CFB#AA0 features an Arm Cortex-M33 core operating at a maximum frequency of 200 MHz. It implements the Armv8-M architecture with Security Extension (TrustZone), supporting both secure and non-secure execution states. The core includes a Memory Protection Unit (MPU) with eight regions each for secure and non-secure domains, enabling robust software isolation for safety-critical applications.
Does the R7FA6M4AF3CFB#AA0 support Ethernet connectivity, and what interface does it use?
Yes, the R7FA6M4AF3CFB#AA0 integrates a full IEEE 802.3-compliant Ethernet MAC (ETHERC) with an associated Ethernet DMA Controller (EDMAC). It supports RMII (Reduced Media Independent Interface) with 2-bit data lanes (TXD0/TXD1, RXD0/RXD1), MDC/MDIO management interface, and integrated descriptor-based DMA for zero-CPU packet handling-enabling efficient TCP/IP stack implementation without external PHY arbitration logic.
What security features are implemented in hardware on the R7FA6M4AF3CFB#AA0?
The R7FA6M4AF3CFB#AA0 includes the Secure Crypto Engine 9 (SCE9), which provides hardware acceleration for AES-128/256, RSA-1024/2048, ECC (secp256r1/secp384r1), DSA, and SHA224/SHA256. It also features Arm TrustZone for memory/peripheral isolation, tamper detection pins, secure pin multiplexing, device lifecycle management, and a factory-programmed 128-bit unique ID-meeting requirements for PSA Certified Level 2 and IEC 62443-3-3 compliance.
What is the flash memory configuration of the R7FA6M4AF3CFB#AA0, and how does dual-bank operation benefit firmware updates?
The R7FA6M4AF3CFB#AA0 contains 1 MB of code flash memory organized in dual banks, plus 8 KB of data flash. Dual-bank operation allows background programming and SWAP functionality: while one bank executes active firmware, the other can be reprogrammed with a new image. Upon completion, a single register write triggers atomic bank swap-enabling zero-downtime firmware updates essential for always-on industrial gateways and remote infrastructure.
Which package and temperature grade does the R7FA6M4AF3CFB#AA0 use, and how many I/O pins are available?
The R7FA6M4AF3CFB#AA0 uses a 144-pin LQFP package (PLQP0144KA-B, 20 mm × 20 mm, 0.5 mm pitch) rated for -40°C to +105°C operation. It provides 109 general-purpose I/O pins, of which 21 are 5-V tolerant, 110 support internal pull-up resistors, and 109 support N-channel open-drain outputs-making it suitable for interfacing with legacy 5-V peripherals and industrial sensors without level shifters.
R7FA6M4AF3CFB#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RA6M4
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit Single-Core
- Speed:
- 200MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, LINbus, QSPI, SCI, SPI, SSI, UART/USART, USB
- Peripherals:
- Capacitive Touch, Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT
- Number of I/O:
- 109
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 22x12b; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M4AF3CFB#AA0 FAQ
1.How can I place an order for R7FA6M4AF3CFB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M4AF3CFB#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 R7FA6M4AF3CFB#AA0 reliable?
The price and inventory of R7FA6M4AF3CFB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M4AF3CFB#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M4AF3CFB#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M4AF3CFB#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M4AF3CFB#AA0?
R7FA6M4AF3CFB#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M4AF3CFB#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 R7FA6M4AF3CFB#AA0?
For technical support, including R7FA6M4AF3CFB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M4AF3CFB#AA0 requirements.
6.How does Aetrix verify that R7FA6M4AF3CFB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M4AF3CFB#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 R7FA6M4AF3CFB#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M4AF3CFB#AA0?
All R7FA6M4AF3CFB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M4AF3CFB#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 R7FA6M4AF3CFB#AA0 part is unused and in its original packaging.
Return procedure for R7FA6M4AF3CFB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6M4AF3CFB#AA0 Tags
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