Renesas R7FA6M4AD3CFB#AA0
- Part No.:
- R7FA6M4AD3CFB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FA6M4AD3CFB#AA0.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 144LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:170
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Product details
Overview
R7FA6M4AD3CFB#AA0 from Renesas is a high-performance 32-bit Arm Cortex-M33 microcontroller operating at up to 200 MHz, featuring 512 KB code flash, 8 KB data flash, and 256 KB SRAM with parity/ECC. It integrates Ethernet MAC, USB 2.0 Full-Speed, dual CAN, QSPI/OSPI, SDHI, and Secure Crypto Engine (SCE9) with TrustZone for secure industrial gateway and edge node applications.
For engineers reviewing the R7FA6M4AD3CFB#AA0 datasheet, R7FA6M4AD3CFB#AA0 pinout, R7FA6M4AD3CFB#AA0 application, or R7FA6M4AD3CFB#AA0 equivalent, key selection criteria include its 144-pin LQFP package, -40°C to +105°C industrial temperature grade, dual-bank flash architecture for robust OTA updates, and hardware-accelerated AES/RSA/SHA256 for secure firmware authentication and encrypted communication.
Technical Context
The R7FA6M4AD3CFB#AA0 implements Armv8-M with TrustZone security extension, enabling strict isolation between secure and non-secure execution environments. Its dual-bank flash supports background programming and SWAP operations, allowing seamless firmware updates without system interruption.
It features a full peripheral suite including ETHERC/EDMAC for zero-CPU-load Ethernet packet handling, two CAN FD-capable controllers (ISO 11898-1 compliant), and SCE9 crypto engine with 128-bit unique ID, tamper detection, and power analysis resistance - all coordinated under TrustZone-managed memory regions and peripheral attribution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 200 MHz with TrustZone, MPU_S/MPU_NS (8+8 regions) |
| Memory | 512 KB 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), 2× CAN, QSPI/OSPI, SDHI, 10× SCI, 2× I²C, 2× SPI, SSIE |
| Analog | 2× 12-bit ADC12 (5 Msps interleaved), 2× 12-bit DAC12, on-die temperature sensor (TSN) |
| Security | Secure Crypto Engine 9 (AES/RSA/ECC/SHA256/GHASH), 128-bit UID, tamper pins, 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 GPIOs with 5-V tolerance (21 pins), N-ch open-drain, pull-up resistors, configurable drive strength |
Pinout & Package
Package: 144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, RoHS-compliant Sn terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated analog/digital power domains; decoupling required per datasheet layout guidelines |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables precise timing for Ethernet, USB, and real-time control loops |
| ETH_MDIO / ETH_MDC / ETH_TXD[0:1] / ETH_RXD[0:1] | Ethernet PHY interface | RMII-compliant signals for direct connection to external PHY without glue logic |
| USB_DP / USB_DM / VCC_USB / VSS_USB | Integrated USB transceiver I/O | Full-speed USB 2.0 operation with internal PHY; no external transceiver needed for device/host mode |
| CRX0 / CTX0 / CRX1 / CTX1 | CAN bus interface | Two independent CAN channels compliant with ISO 11898-1; require external transceivers for physical layer |
| QSPI_IO0–QSPI_IO3 / QSPI_CLK / QSPI_CS | Quad SPI memory controller | Direct interface to serial NOR/NAND flash; supports XIP and execute-in-place for boot code |
| OSPI_IO0–OSPI_IO7 / OSPI_CLK / OSPI_CS | Octa SPI memory controller | High-bandwidth interface to OctaFlash/OctaRAM; enables fast code/data loading for AI/ML inference buffers |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP | Enables atomic firmware updates in field-deployed devices without downtime or risk of bricking |
| ETHERC + EDMAC co-processor | Offloads Ethernet frame processing from CPU; supports TCP/IP stack acceleration and real-time packet filtering |
| SCE9 + TrustZone | Hardware-enforced secure boot, key injection, and runtime isolation for cryptographic keys and sensitive firmware partitions |
| CTSU with 20-channel support | Enables robust capacitive touch HMI on industrial panels without external ICs or calibration overhead |
| GPT32 × 4 + GPT16 × 6 | Provides flexible PWM generation for multi-axis motor control (BLDC/PMSM) with synchronized dead-time insertion |
| SDHI with eMMC 4.51 support | Direct interface to embedded MMC storage for local data logging, firmware caching, and OTA update staging |
Applications
| Industrial Gateway | Secure Edge Node |
|---|---|
Use Scenario: Protocol translation between Modbus RTU field devices and cloud MQTT brokers via cellular/Wi-Fi uplink. IC Role / Device Role / Timing Role: Central MCU managing dual CAN buses, Ethernet backhaul, USB configuration port, and secure TLS offload via SCE9. Use Value: Dual-bank flash ensures fail-safe firmware updates during remote maintenance; TrustZone isolates Modbus parsing from TLS key handling. | Use Scenario: Tamper-resistant sensor aggregator in smart metering or building automation with local anomaly detection. IC Role / Device Role / Timing Role: Real-time data acquisition hub using ADC12, RTC calendar mode, and SCE9 for encrypted data signing before transmission. Use Value: On-die temperature sensor and LVD monitoring enable self-diagnostics; tamper pins trigger secure erase on physical intrusion. |
| Networked HMI Controller | Motor Drive Interface |
Use Scenario: Touch-enabled operator panel with Ethernet diagnostics, USB firmware upload, and SD card log export. IC Role / Device Role / Timing Role: CTSU-driven capacitive UI controller with USBFS host mode for flash drive access and SDHI for persistent storage. Use Value: 109 GPIOs support multiplexed display backlight control, LED indicators, and button scanning; 5-V tolerant pins simplify legacy I/O interfacing. | Use Scenario: Compact BLDC motor controller with Hall sensor feedback, current sensing, and CAN-based command interface. IC Role / Device Role / Timing Role: GPT32 timers generate synchronized 3-phase PWM with dead-time control; AGT timers measure rotor position via Hall inputs. Use Value: Integrated GTOUUP/GTOULO pins directly drive gate drivers; dual CAN allows motor command + status reporting on separate buses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M4AF3CFB#AA0 | 1 MB code flash (vs. 512 KB), same package/peripherals/security | Required for larger firmware images or dual-application partitioning (e.g., RTOS + safety monitor) | Select when >512 KB flash is needed; identical pinout and software compatibility |
| R7FA6M5BH3CFB#AA0 | RA6M5 series: adds 10/100BASE-T1 Ethernet PHY, higher DMAC bandwidth, extended CAN FD support | Targeted at automotive body electronics requiring time-triggered networking and ASIL-B readiness | Choose only if T1 Ethernet or enhanced functional safety features are mandatory; not drop-in compatible |
Compared with R7FA6M4AF3CFB#AA0, the R7FA6M4AD3CFB#AA0 trades flash capacity for cost-sensitive industrial designs, while R7FA6M5BH3CFB#AA0 introduces automotive-specific PHY and safety enhancements that increase BOM complexity and validation effort.
Availability
R7FA6M4AD3CFB#AA0 is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, networked HMIs, and motor drive interfaces requiring stable component supply across long product lifecycles.
Supply support for R7FA6M4AD3CFB#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The RA6M4 group targets high-integrity industrial edge applications demanding real-time performance, connectivity, and hardware-rooted security - designed specifically for gateway, HMI, and motor control systems operating in harsh environments.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M4AD3CFB#AA0?
The R7FA6M4AD3CFB#AA0 features an Arm Cortex-M33 core operating at up to 200 MHz, implementing the Armv8-M architecture with TrustZone security extension. It includes dual Systick timers (secure/non-secure), CoreSight ETM-M33 trace, and MPU_S/MPU_NS with eight regions each for memory protection in both security states. This architecture enables deterministic real-time execution alongside secure firmware partitioning.
Does the R7FA6M4AD3CFB#AA0 support secure boot and cryptographic acceleration?
Yes, the R7FA6M4AD3CFB#AA0 integrates Secure Crypto Engine 9 (SCE9) with hardware accelerators for AES, RSA, ECC, DSA, SHA224, SHA256, and GHASH, plus a 128-bit unique ID. Combined with Arm TrustZone, it supports secure boot, key injection, tamper detection, and lifecycle management - enabling end-to-end firmware authentication, encrypted OTA updates, and isolated key storage without software-only vulnerabilities.
What package type and temperature grade does the R7FA6M4AD3CFB#AA0 use?
The R7FA6M4AD3CFB#AA0 uses a 144-pin LQFP package (PLQP0144KA-B, 20 mm × 20 mm, 0.5 mm pitch) rated for industrial operation from -40°C to +105°C. Its 109 GPIOs include 21 pins with 5-V tolerance, N-ch open-drain outputs, and configurable pull-up resistors - optimized for noise-immune interfacing in factory automation and energy infrastructure environments.
Can the R7FA6M4AD3CFB#AA0 perform firmware updates without interrupting system operation?
Yes, the R7FA6M4AD3CFB#AA0 supports background programming and SWAP operations in its dual-bank code flash memory. This allows one bank to execute active firmware while the other receives and validates a new image, enabling atomic, zero-downtime updates - critical for unattended industrial gateways and remote edge nodes where reboot windows are constrained.
Which communication interfaces are integrated into the R7FA6M4AD3CFB#AA0 for industrial connectivity?
The R7FA6M4AD3CFB#AA0 integrates Ethernet MAC (RMII), USB 2.0 Full-Speed (host/device), two CAN 2.0A/B controllers, QSPI/OSPI for external memory, SDHI for eMMC/SD cards, 10× SCI (UART/I²C/SPI/Manchester), 2× I²C, 2× SPI, SSIE for audio, and a dedicated CTSU for capacitive touch. These interfaces collectively support protocol bridging, fieldbus integration, local storage, and human-machine interaction in converged industrial systems.
R7FA6M4AD3CFB#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:
- 512KB (512K 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:
R7FA6M4AD3CFB#AA0 FAQ
1.How can I place an order for R7FA6M4AD3CFB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M4AD3CFB#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 R7FA6M4AD3CFB#AA0 reliable?
The price and inventory of R7FA6M4AD3CFB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M4AD3CFB#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M4AD3CFB#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M4AD3CFB#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M4AD3CFB#AA0?
R7FA6M4AD3CFB#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M4AD3CFB#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 R7FA6M4AD3CFB#AA0?
For technical support, including R7FA6M4AD3CFB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M4AD3CFB#AA0 requirements.
6.How does Aetrix verify that R7FA6M4AD3CFB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M4AD3CFB#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 R7FA6M4AD3CFB#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M4AD3CFB#AA0?
All R7FA6M4AD3CFB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M4AD3CFB#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 R7FA6M4AD3CFB#AA0 part is unused and in its original packaging.
Return procedure for R7FA6M4AD3CFB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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