Renesas R7FA8M1AHECBD#UC0
- Part No.:
- R7FA8M1AHECBD#UC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
R7FA8M1AHECBD#UC0.pdf
- Description:
- MCU RA8M1 ARM CM85 2M FBGA224 -4
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Product details
Overview
R7FA8M1AHECBD#UC0 from Renesas is a high-performance 480 MHz Arm® Cortex®-M85 microcontroller with Helium™ vector extension, 2 MB dual-bank code flash, 12 KB data flash, and 1 MB SRAM with ECC/parity. It integrates Ethernet MAC, USB 2.0 High-Speed, CAN FD ×2, OSPI, SDHI ×2, I3C, and RSIP-E51A cryptographic accelerator. Designed for secure industrial edge gateways requiring real-time connectivity and firmware integrity.
For engineers reviewing the R7FA8M1AHECBD#UC0 datasheet, R7FA8M1AHECBD#UC0 pinout, R7FA8M1AHECBD#UC0 application, or R7FA8M1AHECBD#UC0 equivalent, key selection criteria include Arm TrustZone®-enabled secure boot, on-the-fly decryption (DOTF) for external encrypted memory, 224-pin BGA package with 174 GPIOs, and support for deterministic real-time control via GPT32 ×8 and ELC event linking.
Technical Context
The R7FA8M1AHECBD#UC0 implements Armv8.1-M architecture with dual MPU instances (8 regions each for Secure/Non-secure), two SysTick timers, and CoreSight™ ETM-M85 trace. Its memory subsystem includes 2 MB code flash supporting background SWAP and dual-bank operation, 12 KB data flash rated for 100,000 P/E cycles, and 1 MB SRAM partitioned into 128 KB TCM (ECC), 384 KB ECC, and 512 KB parity.
Connectivity is centered on hardware-accelerated interfaces: Ethernet MAC/DMA (ETHERC/EDMAC), USBHS + USBFS with internal transceivers and 10-pipe FIFO, CAN FD ×2 (4 Tx/16 Rx buffers per channel), OSPI compliant with JEDEC JESD251 Profile 1.0 (Octal SPI), and I3C v1.1. Security relies on RSIP-E51A (AES/RSA/ECC/HASH), Arm TrustZone®, tamper-resistant pins, and secure pin multiplexing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M85 @ 480 MHz with Helium™ MVE-F, FPU, and dual MPU (8 Secure + 8 Non-secure regions) |
| Memory | 2 MB dual-bank code flash (SWAP/background operation), 12 KB data flash (100k P/E), 1 MB SRAM (128 KB TCM + ECC/parity split) |
| Security | RSIP-E51A crypto engine (AES-128/256, RSA-2048/3072, ECC NIST P-256/P-384), TrustZone®, DOTF, secure boot, 128-bit unique ID |
| Connectivity | Ethernet MAC/DMA, USB 2.0 HS/FS (10-pipe FIFO), CAN FD ×2 (4 Tx/16 Rx buffers), OSPI (xSPI/JESD251), SDHI ×2, I3C, SCI ×6, SPI ×2, IIC ×2 |
| Analog & Timers | ADC12 ×2 (25 ch), DAC12 ×2, ACMPHS ×2, TSN, GPT32 ×8, GPT16 ×6, AGT ×2, ULPT ×2, RTC with calendar mode |
| Package & Environment | 224-pin FBGA (13 mm × 13 mm, 0.8 mm pitch), 174 GPIOs, VCC 1.68–3.6 V, Tj = −40°C to +125°C |
Pinout & Package
224-pin Fine-Pitch Ball Grid Array (FBGA) package: PLBG0224GD-A, 13 mm × 13 mm, 0.8 mm ball pitch, RoHS-compliant Sn termination. Thermal pad exposed on underside for enhanced heat dissipation in industrial ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VCC2 | Primary power supply inputs | Separate 1.68–3.6 V domains for core/peripherals; decoupled with 0.1 µF capacitors near pins |
| VBATT | Battery backup input | Supplies RTC, SOSC, backup registers, and tamper detection during main power loss |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 8–48 MHz external crystal; enables precise clock source for Ethernet/USB timing compliance |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar accuracy and low-power Deep Software Standby mode |
| ETH_MDC / ETH_MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO/MDC bus for PHY configuration and status monitoring |
| USB_VBUS / USB_DP / USB_DM | USB 2.0 High-Speed physical layer | Dedicated pins for USBHS transceiver; supports host/device roles with integrated PHY and 480 Mbps signaling |
| CANFD0_TX / CANFD0_RX | CAN FD Channel 0 differential pair | ISO 11898-1-compliant interface with configurable bit rates up to 5 Mbps (data phase) |
| OSPI_IO0–IO7 | Octal SPI data lanes | JEDEC JESD251 Profile 1.0-compliant 8-bit bidirectional data bus for xSPI NOR/NAND flash acceleration |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP | Enables seamless firmware updates without system interruption; critical for OTA deployments in unattended edge devices |
| Decryption on-the-fly (DOTF) | Hardware-accelerated AES decryption of external encrypted memory contents in real time, eliminating CPU overhead and latency |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral signal routing without CPU intervention-reduces interrupt latency and improves deterministic response |
| GPT32 ×8 with POEG | Eight independent 32-bit PWM timers with port output enable for safe BLDC motor control, supporting 3-phase commutation |
| RSIP-E51A + TrustZone® | Integrated secure element functionality: secure key injection, lifecycle management, tamper detection, and SPA/DPA resistance |
Applications
| Industrial Edge Gateway | Secure Automotive Telematics Unit |
|---|---|
|
Use Scenario: Aggregating CAN FD, Ethernet, and cellular data from factory floor equipment for cloud analytics and predictive maintenance. IC Role / Device Role / Timing Role: Central application processor executing Linux RTOS, managing secure firmware updates via DOTF, and synchronizing time-critical CAN FD frames using GPT32-triggered ELC events. Use Value: Dual-bank flash enables zero-downtime field upgrades; TrustZone® isolates telemetry processing from secure boot and key storage. |
Use Scenario: In-vehicle telematics hub handling OTA updates, vehicle diagnostics (UDS over CAN FD), and encrypted V2X message signing. IC Role / Device Role / Timing Role: Secure application MCU running certified AUTOSAR stack, performing ECDSA signature generation via RSIP-E51A, and maintaining precise time sync across domains using RTC + PTP over Ethernet. Use Value: Hardware crypto acceleration reduces OTA verification time by >90%; tamper-resistant pins detect physical intrusion attempts on the module. |
| Medical Imaging Control System | Smart Energy Meter with HAN Interface |
|
Use Scenario: Real-time image capture and preprocessing from CEU-connected CMOS sensors in portable ultrasound devices. IC Role / Device Role / Timing Role: High-bandwidth image acquisition controller using CEU DMA transfers to SRAM, synchronized with GPT32-driven ultrasound pulse generation and ADC12 sampling. Use Value: 1 MB SRAM with ECC ensures data integrity during burst transfers; OSPI interfaces directly to encrypted image buffer flash. |
Use Scenario: Revenue-grade metering with HAN communication (Zigbee/Thread), secure firmware validation, and tamper-evident logging. IC Role / Device Role / Timing Role: Secure metering SoC executing DLMS/COSEM stack, validating signed firmware images via RSIP-E51A, and timestamping events with RTC + VBATT backup. Use Value: Data flash endurance (100k P/E cycles) supports lifetime logging; I3C interface connects securely to metrology ADC and security co-processor. |
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 |
|---|---|---|---|
| R7FA8M1AHECFC | 176-pin LQFP package, 128 GPIOs, no SDRAM interface, reduced analog channel count (ADC: 24 vs 25 ch) | Suitable for space-constrained industrial HMI where BGA assembly is impractical and SDRAM not required | Select when PCB assembly capability limits BGA use and full 224-pin I/O count is unnecessary |
| R7FA6M5BH3CFB | Arm Cortex-M33 @ 200 MHz, 1 MB flash, no Ethernet/USBHS/OSPI, RSIP-E50A (no DOTF or ECC support) | Cost-sensitive secure MCU for basic CAN FD gateway or sensor node without high-speed connectivity | Choose for lower-complexity designs where 480 MHz performance, Ethernet, and on-the-fly decryption are not required |
Compared with R7FA8M1AHECBD#UC0, the R7FA8M1AHECFC offers identical core/peripheral functionality in an LQFP package but sacrifices SDRAM support and I/O count; the R7FA6M5BH3CFB provides foundational security at lower performance and integration, omitting critical features like DOTF, OSPI, and Ethernet MAC needed for advanced edge applications.
Availability
R7FA8M1AHECBD#UC0 is available at Aetrix Electronics and suitable for industrial edge gateways, secure automotive telematics units, and medical imaging controllers requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA8M1AHECBD#UC0 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, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RA8M1 group delivers high-performance, secure Arm Cortex-M85 MCUs targeting next-generation industrial edge computing, where deterministic real-time control, hardware-accelerated cryptography, and multi-protocol connectivity converge.
FAQ
What is the maximum operating frequency of the R7FA8M1AHECBD#UC0?
The R7FA8M1AHECBD#UC0 operates at a maximum frequency of 480 MHz using the Arm Cortex-M85 core with Helium™ technology. This speed is achieved via PLL1/PLL2 clock synthesis from internal oscillators (HOCO/MOCO) or external crystals (MOSC). The core maintains full performance across its specified junction temperature range of −40°C to +125°C, validated under worst-case voltage (1.68 V) and process corner conditions.
Does the R7FA8M1AHECBD#UC0 support secure boot and runtime firmware authentication?
Yes, the R7FA8M1AHECBD#UC0 implements secure boot using immutable ROM-based First Stage Bootloader (FSBL), verified boot chain with TrustZone®-protected execution, and RSIP-E51A hardware acceleration for SHA-256 and ECDSA signature verification. Firmware images are authenticated before loading into SRAM, and decryption on-the-fly (DOTF) ensures encrypted external flash content remains protected during execution.
What package type and pin count does the R7FA8M1AHECBD#UC0 use?
The R7FA8M1AHECBD#UC0 uses a 224-pin Fine-Pitch Ball Grid Array (FBGA) package designated PLBG0224GD-A, measuring 13 mm × 13 mm with 0.8 mm ball pitch. It provides 174 general-purpose I/O pins, including dedicated functions for Ethernet (MDIO/MDC), USBHS (DP/DM), CAN FD (TX/RX), and OSPI (IO0–IO7), all compliant with industrial thermal and mechanical reliability standards.
Can the R7FA8M1AHECBD#UC0 interface directly with external Octal SPI flash memory?
Yes, the R7FA8M1AHECBD#UC0 includes a dedicated Octal Serial Peripheral Interface (OSPI) module compliant with JEDEC JESD251 Profile 1.0 (Octal SPI) and JESD252. It supports 1-/2-/4-/8-bit protocols, xSPI command sets, and direct execution (XIP) from external flash. The OSPI controller handles timing, command sequencing, and error correction autonomously, enabling high-bandwidth access to up to 2 GB of external memory without CPU intervention.
What security features differentiate the R7FA8M1AHECBD#UC0 from earlier RA family MCUs?
The R7FA8M1AHECBD#UC0 integrates RSIP-E51A (not RSIP-E50A), adding decryption on-the-fly (DOTF), 256-bit Hardware Unique Key (HUK), and enhanced SPA/DPA countermeasures. It also features dual MPU regions (Secure/Non-secure), TrustZone®-configured flash/SRAM partitioning, tamper-resistant pins, and secure pin multiplexing-advancing beyond RA6M5's baseline security to meet PSA Level 3 and SESIP certification requirements for edge trust anchors.
R7FA8M1AHECBD#UC0 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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- Speed:
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- Connectivity:
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- Peripherals:
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- Number of I/O:
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- 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:
R7FA8M1AHECBD#UC0 FAQ
1.How can I place an order for R7FA8M1AHECBD#UC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA8M1AHECBD#UC0 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 R7FA8M1AHECBD#UC0 reliable?
The price and inventory of R7FA8M1AHECBD#UC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA8M1AHECBD#UC0 is usually 5 days.
3.What payment methods are accepted for R7FA8M1AHECBD#UC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA8M1AHECBD#UC0 transactions.
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4.How is shipping managed for R7FA8M1AHECBD#UC0?
R7FA8M1AHECBD#UC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA8M1AHECBD#UC0 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 R7FA8M1AHECBD#UC0?
For technical support, including R7FA8M1AHECBD#UC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA8M1AHECBD#UC0 requirements.
6.How does Aetrix verify that R7FA8M1AHECBD#UC0 is sourced from the original manufacturer or authorized distributors?
All R7FA8M1AHECBD#UC0 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 R7FA8M1AHECBD#UC0 meets industry standards.
7.What is the process for return or replacement of R7FA8M1AHECBD#UC0?
All R7FA8M1AHECBD#UC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA8M1AHECBD#UC0, 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 R7FA8M1AHECBD#UC0 part is unused and in its original packaging.
Return procedure for R7FA8M1AHECBD#UC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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