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Renesas R7FA8E1AFDCFB#UA0
- Part No.:
- R7FA8E1AFDCFB#UA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
R7FA8E1AFDCFB#UA0.pdf
- Description:
- MCU RA8E1 ARM CM85 1M/544K LQFP1
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Product details
Overview
R7FA8E1AFDCFB#UA0 from Renesas is a high-performance 32-bit Arm® Cortex®-M85 microcontroller operating at up to 360 MHz, featuring 1 MB dual-bank code flash with background/swap operation, 12 KB data flash, and 544 KB SRAM with parity. It integrates Ethernet MAC, USB 2.0 Full-Speed, dual CAN FD, Octal SPI, and advanced analog peripherals including dual 12-bit ADCs, DAC12, and ACMPHS - designed for industrial edge gateways requiring secure, real-time connectivity and deterministic control.
For engineers reviewing the R7FA8E1AFDCFB#UA0 datasheet, R7FA8E1AFDCFB#UA0 pinout, R7FA8E1AFDCFB#UA0 application, or R7FA8E1AFDCFB#UA0 equivalent, this page delivers verified technical context, validated pin functions, confirmed security architecture (TrustZone + RSIP-E51A), exact package mapping (144-pin LQFP), and two rigorously cross-checked alternative MCUs - all grounded in Renesas R01DS0455EJ0110 Rev.1.10.
Technical Context
The R7FA8E1AFDCFB#UA0 implements Armv8.1-M architecture with Helium™ MVE-F for efficient signal processing, paired with dual 8-region MPUs (Secure/Non-secure) and two independent SysTick timers. Its memory subsystem includes 1 MB code flash supporting concurrent read-while-write via dual-bank operation and 12 KB data flash rated for 100,000 P/E cycles.
Connectivity is centered on hardware-accelerated interfaces: dual CAN FD controllers (4 TX/16 RX buffers per channel), IEEE 802.3-compliant ETHERC/EDMAC with RMII/MII support, USBFS host/device capability with internal transceiver, and JEDEC JESD251-compliant OSPI supporting xSPI profiles 1.0 (Octal SPI) and 2.0 (HyperBus™).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm® Cortex®-M85 @ 360 MHz with Helium™ MVE-F, FPU, TrustZone®, and dual 8-region MPU |
| Memory | 1 MB dual-bank code flash (background/swap), 12 KB data flash (100k P/E), 544 KB SRAM (32 KB TCM + 512 KB user) |
| Connectivity | Dual CAN FD (ISO 11898-1), Ethernet MAC/DMA (RMII/MII), USB 2.0 FS host/device, OSPI (xSPI/JESD251), 6× SCI, 2× IIC, 2× SPI, 2× SSIE |
| Analog | Dual 12-bit ADC12 (13 ch total), 12-bit DAC12, 2× ACMPHS, integrated temperature sensor (TSN) |
| Timers | 6× GPT32, 4× GPT16, 2× AGT, 2× ULPT, RTC with calendar mode (2000–2099), WDT/IWDT |
| Security | Renesas RSIP-E51A (HUK, TRNG, 128-bit UID), TrustZone® memory/peripheral partitioning, secure boot, lifecycle management |
| Power & Temp | VCC/VCC2: 1.68–3.6 V; operating junction temperature: −40°C to +105°C |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), PLQP0144KA-B footprint, Pb-free Sn terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VCC2 / VSS | Power supply and ground | Dual power domains (VCC/VCC2) with dedicated decoupling; VSS_DCDC for switching regulator ground |
| XTAL / EXTAL / XCIN / XCOUT | Crystal oscillator interface | Supports main clock (8–48 MHz) and sub-clock (32.768 kHz) crystal or external clock input |
| CRX0/CTX0, CRX1/CTX1 | CAN FD physical layer I/O | Dedicated differential receive/transmit pins per CAN FD channel; no external transceiver required for basic bus termination |
| USB_DP / USB_DM | USB 2.0 Full-Speed D+/D− | Integrated USB transceiver; supports host/device roles without external PHY |
| RMII0_TXD0/1, RMII0_RXD0/1, REF50CK0 | Ethernet RMII interface | 50 MHz reference clock input and 2-bit TX/RX data path; enables compact 7-pin Ethernet PHY connection |
| OM_SCLK / OM_CSn / OM_DQS / OM_SIOn | Octal SPI master interface | Full xSPI profile 1.0 signaling (8-bit data, differential strobe); supports direct connection to OctaFlash/HyperRAM |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP | Enables seamless firmware updates without system interruption - critical for industrial OTA deployments |
| RSIP-E51A cryptographic engine | Hardware-accelerated AES-256, SHA-256, ECC, and true random number generation with tamper-resistant key storage |
| TrustZone® peripheral attribution | Individual Secure/Non-secure assignment per peripheral (e.g., CANFD0=Secure, CANFD1=Non-secure), enabling mixed-criticality RTOS partitioning |
| Event Link Controller (ELC) | Direct hardware-triggered peripheral chaining (e.g., ADC conversion completion → DMA transfer → GPT capture) without CPU intervention |
| CEU image capture unit | Offloads raw image data acquisition from CPU; supports parallel RGB/YUV input and direct memory transfer via DMAC |
| Battery-backed RTC & registers | Retains calendar time, 128 B backup registers, and tamper detection state during VCC loss using VBATT supply |
Applications
| Industrial Edge Gateway | Secure Automotive Telematics |
|---|---|
|
Use Scenario: Aggregating CAN FD, Ethernet, and USB data from PLCs, sensors, and HMIs in factory automation systems with remote diagnostics. IC Role / Device Role / Timing Role: Central protocol translator and real-time scheduler - synchronizing 1 ms CAN FD frames, 100 Mbps Ethernet packets, and USB bulk transfers via ELC-triggered DMAC channels. Use Value: Dual CAN FD + ETHERC/EDMAC offload eliminates external bridge ICs; 544 KB SRAM buffers multi-protocol traffic during network congestion. |
Use Scenario: In-vehicle telematics control unit (TCU) managing OTA updates, GNSS data logging, and cellular modem interfacing under ASIL-B constraints. IC Role / Device Role / Timing Role: Secure boot root-of-trust and encrypted firmware update handler - leveraging RSIP-E51A and TrustZone® to isolate bootloader, application, and modem firmware partitions. Use Value: 12 KB data flash stores cryptographic keys and vehicle-specific configuration with 100k-cycle endurance; VBATT-backed RTC maintains accurate timestamping during ignition-off periods. |
| Smart Building HVAC Controller | Medical Data Acquisition Hub |
|
Use Scenario: Multi-sensor environmental controller integrating CO₂, humidity, and airflow measurements with BACnet/IP and Modbus TCP over Ethernet. IC Role / Device Role / Timing Role: Real-time analog acquisition hub - coordinating dual ADC12 units (13-channel total), ACMPHS thresholds, and SSIE audio alerts via GPT32-triggered sampling windows. Use Value: On-chip 12-bit DAC12 drives analog output modules; 32 KB TCM RAM ensures deterministic execution of PID loops and BACnet stack timing. |
Use Scenario: Portable diagnostic device acquiring ECG, SpO₂, and temperature signals while transmitting encrypted patient data via USB or Ethernet to hospital networks. IC Role / Device Role / Timing Role: Medical-grade signal processor - performing real-time filtering (Helium™ MVE-F), CRC-32 integrity checks, and AES-256 encryption before storage or transmission. Use Value: Temperature sensor (TSN) and internal voltage monitors enable Class III medical device self-calibration; 105°C rating supports extended operation in battery-heated enclosures. |
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 |
|---|---|---|---|
| R7FA8M1AF2CB#AA0 | Same RA8 family, Cortex-M85 core, but 512 KB SRAM, no Ethernet MAC, no CEU, 100-pin LQFP | Lacks ETHERC/EDMAC and CEU; suitable for CAN FD + USB-only edge nodes without LAN connectivity or image capture | Select when Ethernet and image acquisition are unnecessary and PCB space/cost constraints favor 100-pin LQFP |
| STM32H753VI | Arm Cortex-M7 @ 480 MHz, 2 MB flash, 1 MB SRAM, no native CAN FD or OSPI; requires external PHY for Ethernet | Higher clock speed but lacks integrated CAN FD transceivers, OSPI xSPI support, and RSIP-level crypto acceleration | Choose only if existing STM32 ecosystem tooling outweighs need for native CAN FD, OSPI, and hardware TrustZone® isolation |
Compared with R7FA8E1AFDCFB#UA0, the R7FA8M1AF2CB#AA0 reduces cost and footprint by removing Ethernet and CEU but retains identical security and CAN FD capabilities; the STM32H753VI offers higher clock rate but demands external components for CAN FD timing compliance and lacks Renesas' integrated xSPI and TrustZone® peripheral attribution.
Availability
R7FA8E1AFDCFB#UA0 is available at Aetrix Electronics and suitable for industrial edge gateways, secure automotive telematics units, and smart building HVAC controllers requiring stable component supply across multi-year production cycles.
Supply support for R7FA8E1AFDCFB#UA0 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for industrial, automotive, and enterprise applications.
The RA8E1 group targets high-end embedded applications demanding Armv8.1-M performance, hardware security (TrustZone® + RSIP), and rich connectivity (CAN FD, Ethernet, OSPI) - specifically engineered for next-generation industrial IoT and automotive domain controllers.
FAQ
What is the maximum operating frequency and core architecture of the R7FA8E1AFDCFB#UA0?
The R7FA8E1AFDCFB#UA0 features an Arm® Cortex®-M85 core running at a maximum frequency of 360 MHz. It implements the Armv8.1-M architecture profile with Helium™ M-profile Vector Extension (MVE-F), supporting scalar and vectorized half/single-precision floating-point operations. This architecture enables deterministic real-time signal processing in applications such as motor control and sensor fusion - directly validated in the R01DS0455EJ0110 datasheet Section 1.1.
Does the R7FA8E1AFDCFB#UA0 support dual-bank flash operation and background programming?
Yes, the R7FA8E1AFDCFB#UA0 includes 1 MB of code flash memory configured in dual-bank mode, enabling background programming and SWAP operations. This allows firmware updates to be written to one bank while executing from the other - ensuring zero-downtime field upgrades. The feature is explicitly documented in the datasheet Section 1.1 "Memory" and functional description Table 1.2, with guaranteed 100,000 program/erase cycles for the 12 KB data flash.
What Ethernet interface modes does the R7FA8E1AFDCFB#UA0 support?
The R7FA8E1AFDCFB#UA0 integrates an IEEE 802.3-compliant Ethernet MAC/DMA controller (ETHERC/EDMAC) supporting both RMII and MII physical layer interfaces. In RMII mode, it uses a 50 MHz reference clock (REF50CK0), 2-bit TX/RX data paths, and carrier detection signals - requiring only a 7-pin connection to compatible PHYs. Full MII mode provides 4-bit data paths and separate TX/RX clocks. Both modes are detailed in Section 1.15 Pin Functions and Table 1.8 of R01DS0455EJ0110.
How many CAN FD channels does the R7FA8E1AFDCFB#UA0 include, and what are their buffer configurations?
The R7FA8E1AFDCFB#UA0 integrates two independent CAN FD modules compliant with ISO 11898-1. Each channel supports four transmit buffers and sixteen receive buffers - enabling high-throughput, low-latency message handling in automotive and industrial networks. These specifications are confirmed in Table 1.8 "Communication interfaces" and functional description Section 1.1 "Function Outline" of the R01DS0455EJ0110 datasheet.
What security features are implemented in hardware on the R7FA8E1AFDCFB#UA0?
The R7FA8E1AFDCFB#UA0 implements multiple hardware security features: Arm TrustZone® for memory and peripheral partitioning, Renesas RSIP-E51A cryptographic accelerator (AES-256, SHA-256, ECC, TRNG), 128-bit unique ID, secure boot, device lifecycle management, and tamper-resistant pins. These are fully specified in Table 1.12 "Security" and Section 1.1 "Security and Encryption" of R01DS0455EJ0110 - with TrustZone® enabling up to four secure regions in code flash and individual Secure/Non-secure attribution per peripheral.
R7FA8E1AFDCFB#UA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
R7FA8E1AFDCFB#UA0 FAQ
1.How can I place an order for R7FA8E1AFDCFB#UA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA8E1AFDCFB#UA0 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 R7FA8E1AFDCFB#UA0 reliable?
The price and inventory of R7FA8E1AFDCFB#UA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA8E1AFDCFB#UA0 is usually 5 days.
3.What payment methods are accepted for R7FA8E1AFDCFB#UA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA8E1AFDCFB#UA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA8E1AFDCFB#UA0?
R7FA8E1AFDCFB#UA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA8E1AFDCFB#UA0 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 R7FA8E1AFDCFB#UA0?
For technical support, including R7FA8E1AFDCFB#UA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA8E1AFDCFB#UA0 requirements.
6.How does Aetrix verify that R7FA8E1AFDCFB#UA0 is sourced from the original manufacturer or authorized distributors?
All R7FA8E1AFDCFB#UA0 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 R7FA8E1AFDCFB#UA0 meets industry standards.
7.What is the process for return or replacement of R7FA8E1AFDCFB#UA0?
All R7FA8E1AFDCFB#UA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA8E1AFDCFB#UA0, 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 R7FA8E1AFDCFB#UA0 part is unused and in its original packaging.
Return procedure for R7FA8E1AFDCFB#UA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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