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Renesas R7FA8E1AFDCFP#UA0
- Part No.:
- R7FA8E1AFDCFP#UA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
R7FA8E1AFDCFP#UA0.pdf
- Description:
- MCU RA8E1 ARM CM85 1M/544K LQFP1
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Product details
Overview
R7FA8E1AFDCFP#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 and one 12-bit DAC - deployed in industrial gateways requiring deterministic real-time control and secure connectivity.
For engineers reviewing the R7FA8E1AFDCFP#UA0 datasheet, R7FA8E1AFDCFP#UA0 pinout, R7FA8E1AFDCFP#UA0 application, or R7FA8E1AFDCFP#UA0 equivalent, key selection criteria include its 100-pin LQFP package, TrustZone-enabled security architecture, Helium™-accelerated DSP capability, and support for RMII Ethernet interface with integrated DMA controllers.
Technical Context
The R7FA8E1AFDCFP#UA0 implements Armv8.1-M architecture with Helium™ M-profile Vector Extension (MVE), enabling efficient signal processing via single-cycle SIMD operations. Its dual-bank flash supports seamless firmware updates without runtime interruption, while the RSIP-E51A cryptographic accelerator delivers hardware-accelerated AES-256, SHA-256, and true random number generation.
System-level integration includes an Event Link Controller (ELC) for CPU-free peripheral triggering, a 8-channel DMAC plus DTC for autonomous data movement, and dual GPT32 timers with POEG output enable for precise PWM waveform generation in motor control loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm® Cortex®-M85 @ 360 MHz with Helium™ MVE and FPU - enables real-time audio preprocessing and sensor fusion without external DSP. |
| Memory | 1 MB dual-bank code flash (SWAP/background operation), 12 KB data flash (100k P/E cycles), 544 KB SRAM (32 KB TCM + parity) - supports A/B firmware updates and safety-critical data retention. |
| Connectivity | Dual CAN FD (ISO 11898-1), USB 2.0 FS host/device, Ethernet MAC/EDMAC (RMII/MII), OSPI (xSPI/JESD251 compliant) - enables multi-protocol industrial edge node design. |
| Analog | Dual 12-bit ADC (13 ch total), 12-bit DAC, 2× ACMPHS, on-die temperature sensor - provides closed-loop analog sensing and actuation in PLC I/O modules. |
| Security | Arm TrustZone®, RSIP-E51A (AES-256/SHA-256/TRNG), secure boot, lifecycle management, tamper-resistant pins - meets IEC 62443-3-3 SL2 requirements for secure firmware deployment. |
| Power & Temp | VCC: 1.68–3.6 V; operating junction temperature −40°C to +105°C - qualified for extended-temperature industrial automation environments. |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), PLQP0100KP-A footprint. Pin count and I/O allocation match Renesas' RA8E1 group specification for compact, thermally robust industrial MCU deployment.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VCC2 | Core & I/O power supply | Separate 1.68–3.6 V domains enable noise isolation between digital logic and analog/peripheral subsystems. |
| VBATT | Battery backup input | Retains RTC calendar, backup registers, and tamper detection state during main power loss - critical for time-stamped event logging. |
| RMII0_TXD0/1, RMII0_RXD0/1 | Ethernet RMII interface | Direct 2-bit parallel connection to PHY without external glue logic - reduces BOM and layout complexity in Ethernet-enabled HMI panels. |
| CTX0/CRX0, CTX1/CRX1 | CAN FD channel 0/1 transceiver I/O | Dedicated differential pairs support ISO 11898-1 compliant bus communication at up to 5 Mbps - essential for automotive-grade diagnostics and industrial fieldbus bridging. |
| OM_SCLK, OM_SIOn, OM_CSn | Octal SPI master interface | Drives xSPI-compliant flash (e.g., Micron MT25QL) at up to 200 MB/s - accelerates boot time and OTA update throughput in edge AI inference nodes. |
Key Features
| Feature | Design Value |
|---|---|
| Helium™-enabled MVE | Accelerates FFT, FIR, and matrix math for real-time vibration analysis - cuts sensor data processing latency by >4× vs. scalar M85 execution. |
| Dual-bank flash with SWAP | Enables zero-downtime firmware updates: new image writes to inactive bank while active bank continues execution - required for 24/7 operational continuity. |
| RSIP-E51A crypto engine | Offloads AES-256 encryption/decryption and ECDSA signing - eliminates software-based crypto bottlenecks and prevents side-channel leakage in secure boot chains. |
| Event Link Controller (ELC) | Routes 256+ peripheral events directly between modules (e.g., ADC EOC → DMAC trigger → SRAM store) - removes CPU polling overhead and ensures sub-microsecond timing determinism. |
| TrustZone® partitioning | Hardware-enforced isolation of secure/non-secure worlds across flash, SRAM, and peripherals - allows coexistence of certified safety firmware and Linux-based application layers in functional safety systems. |
Applications
| Industrial Ethernet Gateway | Secure Edge PLC Controller |
|---|---|
Use Scenario: Aggregating Modbus TCP, CAN FD, and serial fieldbus data into unified MQTT/OPC UA streams for cloud telemetry. IC Role / Device Role / Timing Role: Primary application processor with integrated Ethernet MAC, dual CAN FD, and OSPI for local firmware storage - manages deterministic packet routing and protocol translation. Use Value: Eliminates external PHY, CAN transceivers, and flash memory, reducing bill-of-materials by 32% and PCB area by 45% versus discrete solutions. | Use Scenario: Executing safety-certified ladder logic and motion control algorithms in distributed I/O cabinets with remote diagnostics. IC Role / Device Role / Timing Role: Real-time controller with dual GPT32 timers for PWM-driven servo drives, AGT/ULPT for low-power monitoring, and TrustZone-secured runtime environment. Use Value: Meets IEC 61508 SIL2 timing constraints via hardware timer synchronization and parity-protected SRAM - avoids external watchdog supervision. |
| Smart Energy Meter Hub | Automotive Diagnostic Tool |
Use Scenario: Multi-tariff metering with anti-tampering detection, grid synchronization, and secure firmware updates over cellular backhaul. IC Role / Device Role / Timing Role: Secure system-on-chip with VBATT-backed RTC, tamper pins, RSIP-E51A, and dual 12-bit ADCs for precision voltage/current sampling. Use Value: Achieves <±0.1% energy measurement accuracy with on-chip temperature compensation and cryptographic integrity verification per IEC 62056. | Use Scenario: Handheld OBD-II/CAN FD scanner supporting UDS, DoIP, and flash reprogramming of ECU modules. IC Role / Device Role / Timing Role: High-speed CAN FD interface controller with USB 2.0 FS host mode for PC connectivity and OSPI for embedded diagnostic firmware storage. Use Value: Enables 5 Mbps CAN FD trace capture and real-time decoding without host dependency - reduces tool startup latency to <150 ms. |
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 |
|---|---|---|---|
| R7FA8M1AHFCFB#AA0 | 144-pin LQFP, 2 MB flash, adds CEU image capture unit and 128 KB TCM - no CEU in R7FA8E1AFDCFP#UA0. | Suitable for vision-augmented HMI or barcode scanning; not needed for pure control/connectivity use cases. | Select R7FA8M1AHFCFB#AA0 only if CEU or >1 MB flash is required; otherwise R7FA8E1AFDCFP#UA0 offers optimal cost/performance balance. |
| R7FA6M5BHFCFB#AA0 | Arm Cortex-M33 @ 200 MHz, 1 MB flash, no Ethernet MAC or CAN FD - lacks Helium, TrustZone partitioning granularity, and RMII interface. | Targeted at cost-sensitive industrial sensors without wired networking; insufficient for gateway-class protocols. | R7FA6M5BHFCFB#AA0 is not a functional substitute for Ethernet/CAN FD applications - choose R7FA8E1AFDCFP#UA0 when dual CAN FD + RMII is mandatory. |
Compared with R7FA8M1AHFCFB#AA0, R7FA8E1AFDCFP#UA0 trades CEU and extra TCM for smaller footprint and lower power; compared with R7FA6M5BHFCFB#AA0, it delivers 80% higher core performance, hardware-accelerated crypto, and full industrial protocol stack - making it the only viable choice for secure, connected edge controllers.
Availability
R7FA8E1AFDCFP#UA0 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, automotive diagnostic tools, and secure edge PLC controllers requiring stable component supply across multi-year production cycles.
Supply support for R7FA8E1AFDCFP#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 global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets - headquartered in Tokyo, Japan.
The RA8E1 group targets high-performance, secure, and scalable industrial edge applications, combining Arm Cortex-M85 with Renesas' proprietary security IP and analog integration to accelerate development of certified, connected devices.
FAQ
What is the maximum operating frequency of the R7FA8E1AFDCFP#UA0?
The R7FA8E1AFDCFP#UA0 operates at a maximum frequency of 360 MHz using its Arm Cortex-M85 core. This speed is achieved with PLL1/PLL2 clock synthesis from internal oscillators (HOCO/MOCO) or external crystals (MOSC/SOSC). The core maintains full performance across its −40°C to +105°C operating range, with dynamic voltage and frequency scaling supported via the power management unit.
Does the R7FA8E1AFDCFP#UA0 support dual-bank flash operation?
Yes, the R7FA8E1AFDCFP#UA0 includes 1 MB of code flash memory configured in dual-bank architecture. This enables background programming and SWAP operations, allowing firmware updates to be written to the inactive bank while the active bank continues executing - ensuring uninterrupted operation during field upgrades. The feature is accessible via Renesas' FSP (Flexible Software Package) APIs.
Which Ethernet interface modes does the R7FA8E1AFDCFP#UA0 support?
The R7FA8E1AFDCFP#UA0 supports both RMII and MII Ethernet physical layer interfaces via its ETHERC/EDMAC module. In RMII mode, it uses 2-bit RX/TX data lines plus REF50CK0, RMII0_TXD_EN, and RMII0_CRS_DV signals - requiring only a 50 MHz reference clock and minimal external components. MII mode provides 4-bit parallel interface for legacy PHY compatibility.
How many CAN FD channels does the R7FA8E1AFDCFP#UA0 integrate?
The R7FA8E1AFDCFP#UA0 integrates two independent CAN FD controllers compliant with ISO 11898-1. Each channel supports classical CAN (1 Mbps) and CAN FD (up to 5 Mbps data phase), with 4 dedicated transmit buffers and 16 receive buffers per channel. These are accessible through dedicated CTXn/CRXn pins and managed via the FSP CAN FD driver stack.
Is the R7FA8E1AFDCFP#UA0 pin-compatible with other RA8E1 group members?
No, the R7FA8E1AFDCFP#UA0 is not pin-compatible with other RA8E1 variants such as the 144-pin R7FA8E1AFDCFB#AA0. It uses a 100-pin LQFP (PLQP0100KP-A) package with 70 GPIOs, whereas the 144-pin variant offers 106 GPIOs and additional peripherals like CEU. Pin mapping, power domains, and peripheral routing differ significantly - board redesign is required when migrating between package options.
R7FA8E1AFDCFP#UA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
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- Core Size:
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- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
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- RAM Size:
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- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
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R7FA8E1AFDCFP#UA0 FAQ
1.How can I place an order for R7FA8E1AFDCFP#UA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA8E1AFDCFP#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 R7FA8E1AFDCFP#UA0 reliable?
The price and inventory of R7FA8E1AFDCFP#UA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA8E1AFDCFP#UA0 is usually 5 days.
3.What payment methods are accepted for R7FA8E1AFDCFP#UA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA8E1AFDCFP#UA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA8E1AFDCFP#UA0?
R7FA8E1AFDCFP#UA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA8E1AFDCFP#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 R7FA8E1AFDCFP#UA0?
For technical support, including R7FA8E1AFDCFP#UA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA8E1AFDCFP#UA0 requirements.
6.How does Aetrix verify that R7FA8E1AFDCFP#UA0 is sourced from the original manufacturer or authorized distributors?
All R7FA8E1AFDCFP#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 R7FA8E1AFDCFP#UA0 meets industry standards.
7.What is the process for return or replacement of R7FA8E1AFDCFP#UA0?
All R7FA8E1AFDCFP#UA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA8E1AFDCFP#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 R7FA8E1AFDCFP#UA0 part is unused and in its original packaging.
Return procedure for R7FA8E1AFDCFP#UA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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