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Renesas R7FA6M4AF3CFP#HA0
- Part No.:
- R7FA6M4AF3CFP#HA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6M4AF3CFP#HA0.pdf
- Description:
- MCU RA6 ARM CM33 200MHZ 1M/256K
- Quantity:
- Payment:
- Shipping:
Inventory:4,040
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Product details
Overview
R7FA6M4AF3CFP#HA0 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, and Secure Crypto Engine (SCE9) with TrustZone for secure IoT gateway and industrial edge node applications.
For engineers reviewing the R7FA6M4AF3CFP#HA0 datasheet, R7FA6M4AF3CFP#HA0 pinout, R7FA6M4AF3CFP#HA0 application, or R7FA6M4AF3CFP#HA0 equivalent, key selection criteria include its -40°C to +105°C extended temperature rating, 100-pin LQFP package, dual CAN support, integrated Ethernet MAC requiring external PHY, and SCE9-accelerated AES/RSA/SHA256 for firmware signing and secure boot.
Technical Context
The R7FA6M4AF3CFP#HA0 implements Armv8-M architecture with TrustZone security extension, supporting secure/non-secure MPU regions (8 each), dual SysTick timers, and CoreSight ETM-M33 for trace. Its memory subsystem includes dual-bank flash enabling live firmware updates without interruption and ECC-protected SRAM for functional safety compliance.
Connectivity is centered on deterministic real-time interfaces: two ISO 11898-1 CAN controllers (32 mailboxes, standard/extended frames), IEEE 802.3-compliant Ethernet MAC linked to EDMAC for zero-CPU packet handling, and USBFS supporting host/device roles with internal transceiver. Analog integration includes dual 12-bit ADCs (5 Msps interleaved) and dual DACs for sensor fusion and control loop execution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 200 MHz max - enables real-time deterministic processing for industrial control and protocol stacks. |
| Memory | 1 MB dual-bank code flash + 8 KB data flash + 256 KB SRAM with parity/ECC - supports robust firmware update, parameter storage, and safety-critical data integrity. |
| Operating Temp | -40°C to +105°C - qualified for under-hood automotive, factory automation, and outdoor edge infrastructure deployments. |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) - provides 75 GPIOs, 14 5-V-tolerant pins, and N-ch open-drain outputs for industrial I/O interfacing. |
| Security | Secure Crypto Engine 9 (AES/RSA/ECC/SHA256) + Arm TrustZone - hardware-accelerated cryptographic operations and isolated secure execution environment. |
| Connectivity | Ethernet MAC (RMII), USB 2.0 FS, dual CAN, QSPI/OSPI, SDHI, 10× SCI, 2× I²C, 2× SPI, SSIE - comprehensive peripheral set for multi-protocol edge gateways. |
| Analog | Dual 12-bit ADC (12+10 channels, 5 Msps interleaved), dual 12-bit DAC, temperature sensor - enables local sensor acquisition and analog actuator control without external ICs. |
Pinout & Package
100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, with 75 general-purpose I/O pins, 14 5-V-tolerant inputs, and dedicated pins for RMII Ethernet, USB DP/DM, CAN TX/RX, QSPI/OSPI, and SDHI.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Core logic power (2.7–3.6 V); decoupling required per datasheet layout guidelines for noise immunity. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables precise timing for Ethernet, USB, and real-time control loops. |
| ETH_RMII_TXD0/1, ETH_RMII_TX_EN, ETH_RMII_RXD0/1, ETH_RMII_CRS_DV, ETH_RMII_REF_CLK | Ethernet RMII interface | Direct connection to external PHY; no external MAC required - reduces BOM and board space for industrial networking. |
| USB_DP / USB_DM / VCC_USB / VSS_USB | USB 2.0 Full-Speed transceiver | On-chip transceiver eliminates need for external PHY; supports device/host mode with 10-pipe endpoint buffer. |
| CTX0/CRX0, CTX1/CRX1 | CAN controller TX/RX | Dual independent CAN 2.0A/B interfaces; each supports 32 configurable mailboxes for flexible message filtering and prioritization. |
| QSPI_IO0–3, OSPI_IO0–7, OSPI_CLK, OSPI_CS | Quad/Octa SPI memory interface | Enables direct XIP execution from external OctaFlash or serial NOR; OSPI supports 8-line DDR for >200 MB/s throughput. |
| SD0_CMD, SD0_CLK, SD0_DATA0–3 | SD/MMC host interface | Supports SDHC/SDXC cards and eMMC 4.51 in 1-/4-bit modes - ideal for local firmware storage and data logging. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP operation | Enables seamless over-the-air (OTA) firmware updates with zero downtime - critical for unattended edge devices. |
| Secure Crypto Engine 9 (SCE9) | Hardware-accelerated AES-128/256, RSA-2048/4096, ECC-P256/P384, SHA256 - reduces secure boot time by >90% vs. software-only implementation. |
| Arm TrustZone with per-peripheral security attribution | Allows fine-grained isolation of secure boot, key storage, and crypto operations from non-secure application firmware - meets PSA Level 1 certification requirements. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC conversion → DMA transfer → GPT PWM update) without CPU intervention - lowers latency and power in sensor-to-actuator paths. |
| Capacitive Touch Sensing Unit (CTSU) | 20-channel touch sensing with built-in noise rejection - enables robust HMI implementation on industrial panels without external touch controller IC. |
Applications
| Industrial PLC I/O Module | Smart Energy Gateway |
|---|---|
Use Scenario: Compact programmable logic controller module collecting analog sensor data (temperature, pressure), executing control algorithms, and communicating via EtherNet/IP and Modbus TCP. IC Role / Device Role / Timing Role: Main system controller running real-time RTOS; manages dual CAN for fieldbus communication, Ethernet MAC for upstream connectivity, and dual ADC/DAC for closed-loop analog I/O. Use Value: Integrated dual CAN + Ethernet + 256 KB SRAM eliminates external protocol bridge ICs and simplifies PCB layout while meeting IEC 61131-3 cycle time requirements. | Use Scenario: Residential/commercial energy gateway aggregating data from smart meters (via M-Bus or RS-485), solar inverters (CAN), and home automation (Zigbee via UART), then reporting to cloud via Ethernet or LTE. IC Role / Device Role / Timing Role: Central protocol translator and security anchor; SCE9 performs firmware signature verification and TLS key generation; TrustZone isolates metering data from user-facing UI tasks. Use Value: Hardware crypto acceleration ensures sub-second secure boot and TLS handshake - essential for meeting UL 2900-1 cybersecurity validation for grid-edge devices. |
| Automotive Diagnostic Tool | Medical Patient Monitor Interface |
Use Scenario: Handheld OBD-II diagnostic tool supporting UDS, KWP2000, and DoIP protocols across multiple vehicle ECUs, with USB host capability for firmware updates and data export. IC Role / Device Role / Timing Role: Protocol stack processor with dual CAN FD-capable controllers (via external transceivers), USBFS host/device, and real-time scheduling for concurrent diagnostics sessions. Use Value: Dual CAN modules allow simultaneous communication with powertrain and body domain ECUs; USBFS host mode enables plug-and-play firmware upgrades using standard USB flash drives. | Use Scenario: Bedside patient monitor connecting to SpO₂, ECG, and NIBP sensors via analog front-end, transmitting vitals over hospital Ethernet (HL7/FHIR) and displaying locally via capacitive touchscreen. IC Role / Device Role / Timing Role: Mixed-signal system-on-chip managing analog acquisition (ADC12), HMI (CTSU), secure data transmission (ETHERC + SCE9), and real-time alarm response (GPT32 timers). Use Value: Integrated CTSU and dual 12-bit ADCs reduce component count and improve signal integrity for low-noise biopotential measurement - critical for FDA 510(k) electromagnetic compatibility testing. |
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); adds external bus interface (16-bit) and 109 GPIOs. | Better suited for designs requiring external SDRAM or parallel NOR flash; higher pin count supports more analog channels or dual Ethernet PHYs. | Select when board space allows BGA and external memory expansion is needed; not pin-compatible with R7FA6M4AF3CFP#HA0. |
| R7FA6M5BH3CFP#HA0 | RA6M5 variant: adds 2× CAN FD controllers, enhanced SCE10 (more crypto algorithms), and larger 1.5 MB flash; same 100-pin LQFP package. | Required for CAN FD-based vehicle networks or where extended crypto (EdDSA, ChaCha20) is mandated by regulatory standards. | Drop-in replacement for R7FA6M4AF3CFP#HA0 in new designs needing future-proof CAN FD or stronger post-quantum readiness; identical footprint and pinout. |
Compared with R7FA6M4AF3CFP#HA0, the R7FA6M4AF3CBM#AA0 offers greater I/O and external memory flexibility at the cost of BGA assembly complexity, while the R7FA6M5BH3CFP#HA0 delivers CAN FD and upgraded crypto in the same LQFP-100 package - making it the preferred upgrade path for next-gen automotive and medical designs.
Availability
R7FA6M4AF3CFP#HA0 is available at Aetrix Electronics and suitable for industrial automation, smart energy gateways, and automotive diagnostic tools requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA6M4AF3CFP#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with deep expertise in microcontrollers, analog, and power management.
The RA6M4 group targets secure, high-performance edge nodes - designed specifically for industrial gateways, building automation, and medical devices requiring real-time responsiveness, functional safety, and hardware-enforced security.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6M4AF3CFP#HA0?
The R7FA6M4AF3CFP#HA0 features an Arm Cortex-M33 core operating at up to 200 MHz, based on the Armv8-M architecture with TrustZone security extension. It includes dual SysTick timers (secure and non-secure), CoreSight ETM-M33 for instruction trace, and MPU support for both secure and non-secure memory regions - enabling deterministic real-time execution and hardware-isolated security domains within the R7FA6M4AF3CFP#HA0.
Does the R7FA6M4AF3CFP#HA0 support Ethernet connectivity, and what interface does it use?
Yes, the R7FA6M4AF3CFP#HA0 integrates a full IEEE 802.3-compliant Ethernet MAC controller (ETHERC) supporting RMII interface only. It requires an external PHY chip and connects directly to the Ethernet DMA Controller (EDMAC) for zero-CPU packet transfers. The R7FA6M4AF3CFP#HA0 does not include an internal PHY or MII interface - RMII is the sole supported physical layer interface for Ethernet on this specific part.
What security features are implemented in the R7FA6M4AF3CFP#HA0, and how are they utilized?
The R7FA6M4AF3CFP#HA0 integrates Secure Crypto Engine 9 (SCE9) with hardware acceleration for AES-128/256, RSA-2048/4096, ECC-P256/P384, and SHA256, plus a 128-bit unique ID. Combined with Arm TrustZone, it enables secure boot, encrypted firmware updates, and isolated key storage. These features are accessed via Renesas' Secure Boot Manager and SCE9 driver libraries - all security functions are physically embedded and active on every R7FA6M4AF3CFP#HA0 device at power-on.
What is the flash and RAM configuration of the R7FA6M4AF3CFP#HA0, and how is it organized?
The R7FA6M4AF3CFP#HA0 contains 1 MB of dual-bank code flash memory supporting background programming and SWAP operations for safe firmware updates, 8 KB of data flash rated for 100,000 program/erase cycles, and 256 KB of on-chip SRAM with selectable parity or ECC protection. The SRAM is partitioned into 192 KB with parity and 64 KB with ECC - both configurations are factory-configurable and enforced at runtime by the R7FA6M4AF3CFP#HA0's memory protection unit.
Which package and pin count does the R7FA6M4AF3CFP#HA0 use, and what are its I/O capabilities?
The R7FA6M4AF3CFP#HA0 uses a 100-pin LQFP package (PLQP0100KB-B, 14 mm × 14 mm, 0.5 mm pitch) with 75 general-purpose I/O pins, 14 5-V-tolerant inputs, and N-ch open-drain outputs on all GPIOs. It supports pull-up resistors on 76 pins and provides dedicated signals for RMII Ethernet, USB DP/DM, dual CAN, QSPI/OSPI, SDHI, and CTSU - all fully documented in the R7FA6M4AF3CFP#HA0 pin function table.
R7FA6M4AF3CFP#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RA6M4
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- 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:
- 75
- 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 20x12b; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M4AF3CFP#HA0 FAQ
1.How can I place an order for R7FA6M4AF3CFP#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M4AF3CFP#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 R7FA6M4AF3CFP#HA0 reliable?
The price and inventory of R7FA6M4AF3CFP#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M4AF3CFP#HA0 is usually 5 days.
3.What payment methods are accepted for R7FA6M4AF3CFP#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M4AF3CFP#HA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M4AF3CFP#HA0?
R7FA6M4AF3CFP#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M4AF3CFP#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 R7FA6M4AF3CFP#HA0?
For technical support, including R7FA6M4AF3CFP#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M4AF3CFP#HA0 requirements.
6.How does Aetrix verify that R7FA6M4AF3CFP#HA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M4AF3CFP#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 R7FA6M4AF3CFP#HA0 meets industry standards.
7.What is the process for return or replacement of R7FA6M4AF3CFP#HA0?
All R7FA6M4AF3CFP#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M4AF3CFP#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 R7FA6M4AF3CFP#HA0 part is unused and in its original packaging.
Return procedure for R7FA6M4AF3CFP#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6M4AF3CFP#HA0 Tags
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