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Renesas R7FA8M1AHECFB#BA0
- Part No.:
- R7FA8M1AHECFB#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FA8M1AHECFB#BA0.pdf
- Description:
- MCU RA8M1 ARM CM85 2M LQFP144 -4
- Quantity:
- Payment:
- Shipping:
Inventory:3,671
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Product details
Overview
R7FA8M1AHECFB#BA0 from Renesas is a high-performance 480 MHz Arm® Cortex®-M85 microcontroller with Helium™, featuring 2 MB dual-bank code flash, 12 KB data flash, 1 MB SRAM (with ECC/parity), Ethernet MAC, USB 2.0 High-Speed, CAN FD ×2, OSPI, I3C, and integrated Renesas Secure IP (RSIP-E51A) for AES/RSA/ECC cryptography. It targets secure industrial gateways requiring real-time connectivity, deterministic control, and firmware integrity.
For engineers reviewing the R7FA8M1AHECFB#BA0 datasheet, R7FA8M1AHECFB#BA0 pinout, R7FA8M1AHECFB#BA0 application, or R7FA8M1AHECFB#BA0 equivalent, key selection criteria include its 144-pin LQFP package, -40°C to +125°C operating range, TrustZone-enabled secure boot, Decryption on-the-fly (DOTF), and dual CAN FD channels for automotive and industrial networked systems.
Technical Context
The R7FA8M1AHECFB#BA0 implements Armv8.1-M architecture with M-profile Vector Extension (MVE) and Helium™ for efficient signal processing, paired with dual-bank flash enabling background programming and SWAP operations without CPU stall. Its memory subsystem includes 128 KB TCM RAM, 896 KB user SRAM (512 KB parity, 384 KB ECC), and 1 KB standby SRAM backed by VBATT.
Connectivity integrates Ethernet MAC/EDMAC with DMA offload, USBHS/USBFS dual controllers supporting host/device roles, two SDHI interfaces for eMMC/SDXC, and OSPI compliant with JEDEC JESD251 Profile 1.0 (Octal SPI) for high-bandwidth external memory. Security combines Arm TrustZone with hardware-enforced memory regions, RSIP-E51A crypto accelerators, tamper-resistant pins, and secure factory programming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M85 @ 480 MHz with Helium (MVE-F), FPU, and TrustZone security extension |
| Memory | 2 MB dual-bank code flash (background/SWAP), 12 KB data flash (100k P/E cycles), 1 MB SRAM (ECC/parity) |
| Operating Temp | -40°C to +125°C junction temperature - qualified for under-hood and industrial control environments |
| Package | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) - compatible with standard SMT reflow and test fixtures |
| Security | Renesas RSIP-E51A (AES/RSA/ECC/HASH), DOTF, secure boot, tamper detection, 128-bit unique ID |
| Peripherals | Ethernet MAC/EDMAC, USB 2.0 HS/FS, CAN FD ×2, OSPI, I3C, SDHI ×2, SCI ×6, GPT32 ×8, ADC12 ×2, DAC12 ×2 |
Pinout & Package
144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, RoHS-compliant Sn terminal finish. Pin functions include dedicated Ethernet PHY interface signals (MDIO/MDC/REFCLK), dual CAN FD transceiver pins (CAN0_TX/CAN0_RX/CAN1_TX/CAN1_RX), OSPI bus (IO0–IO7, CLK, CS), USBHS differential pairs (USB_DP/USB_DM), and 106 general-purpose I/Os with 5-V tolerance and configurable drive strength.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VCC2 | Core & I/O power supply | 1.68–3.6 V operation; decoupled via 0.1 µF capacitors near each pin for noise immunity |
| VBATT | Battery backup supply | Retains RTC, SOSC, tamper registers, and backup SRAM during main power loss |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–48 MHz crystal or external clock source for precise timing domain generation |
| MD | Mode select input | Configures single-chip/JTAG/SCI-USB boot mode at reset - must remain stable during boot sequence |
| RES | Reset input | Active-low asynchronous reset; internal pull-up ensures reliable release after power-on |
| ETH_MDC / ETH_MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO/MDC bus for PHY configuration and status polling |
| CAN0_TX / CAN0_RX | CAN FD Channel 0 interface | Differential signaling pins supporting ISO 11898-1 classical and FD frames up to 5 Mbps |
| USB_DP / USB_DM | USB 2.0 High-Speed differential pair | Full-speed (12 Mbps) and high-speed (480 Mbps) operation with internal transceiver - no external PHY required |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP | Enables seamless firmware updates: one bank executes while the other is reprogrammed, eliminating downtime |
| Decryption on-the-fly (DOTF) | Decrypts encrypted code/data from external OSPI flash in real time using RSIP-E51A - prevents IP theft |
| TrustZone memory partitioning | Hardware-isolated secure/non-secure memory regions for code flash, data flash, and SRAM - enforces privilege separation |
| OSPI JEDEC JESD251 compliance | Supports Octal SPI (x8) mode at up to 200 MHz for >1.6 GB/s read bandwidth - replaces parallel NOR/NAND |
| Integrated Ethernet MAC+DMA | Offloads frame transmission/reception from CPU; supports checksum offload and scatter-gather descriptors |
Applications
| Industrial Gateway | Secure Automotive ECU |
|---|---|
Use Scenario: Edge gateway aggregating Modbus TCP, CAN FD, and EtherNet/IP traffic between PLCs and cloud platforms. IC Role / Device Role / Timing Role: Central protocol translator and firewall with deterministic Ethernet/USB/SDHI throughput and secure boot validation. Use Value: Dual CAN FD + Ethernet MAC enables concurrent vehicle network bridging and remote OTA update delivery without external bridge ICs. | Use Scenario: Zone controller managing ADAS sensor fusion, over-the-air updates, and intrusion detection in EV battery management systems. IC Role / Device Role / Timing Role: Secure runtime environment with TrustZone-isolated safety-critical tasks and RSIP-E51A cryptographic acceleration. Use Value: DOTF decrypts signed firmware images from external flash; tamper pins detect physical attacks on enclosure integrity. |
| Medical Imaging Subsystem | Smart Energy Meter Hub |
Use Scenario: Real-time image preprocessing unit capturing ultrasound or endoscope video via CEU and SSIE interfaces. IC Role / Device Role / Timing Role: High-throughput data mover with 2 MB flash storing multiple imaging algorithms and 1 MB SRAM buffering raw sensor streams. Use Value: GPT32 ×8 and ULPT ×2 provide synchronized PWM timing for motorized probe positioning and low-power sleep/wake scheduling. | Use Scenario: AMI (Advanced Metering Infrastructure) hub collecting data from smart meters via I3C, CAN FD, and RF modules over USB/SDHI. IC Role / Device Role / Timing Role: Trusted data concentrator with secure key injection, lifecycle management, and tamper-evident logging. Use Value: 12 KB data flash stores meter calibration tables with 100k write endurance; VBATT-backed RTC maintains billing timestamps during outages. |
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 |
|---|---|---|---|
| R7FA6M2AF3CFB#AA0 | Arm Cortex-M4F @ 200 MHz, 1 MB flash, no Ethernet or CAN FD, RSIP-E50A (no RSA/ECC) | Lacks hardware-accelerated asymmetric crypto and deterministic networking peripherals | Select when cost-sensitive designs require basic security and lower compute needs without Ethernet/CAN FD |
| R7FA8M1AHECBD#BA0 | Same core/peripherals but 224-pin BGA package, 174 GPIOs, SDRAM interface, and 32-bit external bus | Higher I/O count and external memory support for complex HMI or multi-sensor fusion systems | Select when board space allows BGA and application requires SDRAM or expanded peripheral addressing |
Compared with R7FA6M2AF3CFB#AA0, the R7FA8M1AHECFB#BA0 delivers 2.4× higher CPU performance, integrated Ethernet/CAN FD, and full RSIP-E51A crypto suite - essential for secure edge gateways. Versus R7FA8M1AHECBD#BA0, it trades I/O and SDRAM capability for compact LQFP manufacturability and thermal profile in space-constrained enclosures.
Availability
R7FA8M1AHECFB#BA0 is available at Aetrix Electronics and suitable for industrial gateways, automotive ECUs, medical imaging subsystems, and smart energy meter hubs requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA8M1AHECFB#BA0 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 is designed for high-performance, secure edge computing applications demanding real-time connectivity, deterministic control, and hardware-enforced trust - targeting next-generation industrial automation and automotive domain controllers.
FAQ
What is the maximum operating frequency of the R7FA8M1AHECFB#BA0?
The R7FA8M1AHECFB#BA0 operates at a maximum CPU frequency of 480 MHz using the Arm Cortex-M85 core with Helium™ technology. This frequency is achieved via PLL1/PLL2 clock synthesis from internal oscillators (HOCO/MOCO) or external crystals (MOSC/SOSC). The device maintains this speed across its full -40°C to +125°C operating junction temperature range with appropriate voltage regulation (VCC 1.68–3.6 V).
Does the R7FA8M1AHECFB#BA0 support secure boot and firmware authentication?
Yes, the R7FA8M1AHECFB#BA0 supports hardware-enforced secure boot through Arm TrustZone and Renesas Secure IP (RSIP-E51A). It validates digital signatures of firmware images using RSA/ECC public-key cryptography before execution, enforces immutable bootloader (ROM-based FSBL), and provides secure key injection and lifecycle management. The R7FA8M1AHECFB#BA0 also supports decryption on-the-fly (DOTF) for encrypted code stored in external flash.
What package type and pin count does the R7FA8M1AHECFB#BA0 use?
The R7FA8M1AHECFB#BA0 uses a 144-pin LQFP package (PLQP0144KA-B), measuring 20 mm × 20 mm with 0.5 mm pitch. It provides 106 general-purpose I/O pins, including dedicated signals for Ethernet (MDIO/MDC), dual CAN FD (CAN0/CAN1), USB 2.0 High-Speed (DP/DM), OSPI, and SDHI. This package is optimized for industrial PCB assembly and thermal dissipation in enclosed environments.
Can the R7FA8M1AHECFB#BA0 interface directly with external SDRAM?
No, the R7FA8M1AHECFB#BA0 does not support external SDRAM. According to the RA8M1 function comparison table (Section 1.4), SDRAM interface is only available on the 224-pin BGA variant (R7FA8M1AHECBD#BA0). The R7FA8M1AHECFB#BA0 omits SDRAM pins and related control signals (CKE, RAS, CAS, WE, DQMn) to reduce package size and cost - it relies on its integrated 1 MB SRAM for data buffering and program execution.
What analog peripherals are integrated into the R7FA8M1AHECFB#BA0?
The R7FA8M1AHECFB#BA0 integrates two 12-bit ADC units (ADC12) with up to 25 total input channels, two 12-bit DAC units (DAC12), two high-speed analog comparators (ACMPHS), and an on-die temperature sensor (TSN). These peripherals support simultaneous sampling, hardware-triggered conversions via GPT/AGT, and direct connection to internal references or external sources - enabling closed-loop motor control, sensor signal conditioning, and thermal monitoring without external components.
R7FA8M1AHECFB#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RA8M1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M85
- Core Size:
- 32-Bit
- Speed:
- 400MHz
- Connectivity:
- CANbus, Ethernet, I2C, MMC/SD, QSPI, SCI, Serial Sound, SmartCard, SPI, UART/USART, USB
- Peripherals:
- AES, DMA, LVD, POR, PWM, RSA, Temp Sensor, WDT
- Number of I/O:
- 106
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 12K x 8
- RAM Size:
- 1M x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 18x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA8M1AHECFB#BA0 FAQ
1.How can I place an order for R7FA8M1AHECFB#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA8M1AHECFB#BA0 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 R7FA8M1AHECFB#BA0 reliable?
The price and inventory of R7FA8M1AHECFB#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA8M1AHECFB#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA8M1AHECFB#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA8M1AHECFB#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA8M1AHECFB#BA0?
R7FA8M1AHECFB#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA8M1AHECFB#BA0 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 R7FA8M1AHECFB#BA0?
For technical support, including R7FA8M1AHECFB#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA8M1AHECFB#BA0 requirements.
6.How does Aetrix verify that R7FA8M1AHECFB#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA8M1AHECFB#BA0 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 R7FA8M1AHECFB#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA8M1AHECFB#BA0?
All R7FA8M1AHECFB#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA8M1AHECFB#BA0, 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 R7FA8M1AHECFB#BA0 part is unused and in its original packaging.
Return procedure for R7FA8M1AHECFB#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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