Renesas R7FA8T1AHECFP#BA0
- Part No.:
- R7FA8T1AHECFP#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA8T1AHECFP#BA0.pdf
- Description:
- MCU RA8 ARM CM85 360MHZ 2M/1M LQ
- Quantity:
- Payment:

- Shipping:

Inventory:4,032
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Product details
Overview
R7FA8T1AHECFP#BA0 from Renesas is a high-performance 32-bit Arm® Cortex®-M85 microcontroller operating at up to 480 MHz, featuring 2 MB code flash, 12 KB data flash, and 1 MB SRAM with ECC/parity support. It integrates Ethernet MAC, USB 2.0 Full-Speed, dual CAN FD, dual SDHI, I3C, and advanced analog peripherals including dual 12-bit ADCs and DACs. Designed for industrial automation edge controllers requiring deterministic real-time control, secure connectivity, and functional safety support.
For engineers reviewing the R7FA8T1AHECFP#BA0 datasheet, R7FA8T1AHECFP#BA0 pinout, R7FA8T1AHECFP#BA0 application, or R7FA8T1AHECFP#BA0 equivalent, key selection considerations include its 100-pin LQFP package, TrustZone-enabled secure boot, dual CAN FD interfaces for automotive diagnostics, and integrated RSIP-E51A cryptography accelerators for firmware authentication and OTA update integrity.
Technical Context
The R7FA8T1AHECFP#BA0 implements Armv8.1-M architecture with Helium™ M-profile Vector Extension (MVE), enabling efficient signal processing for motor control and sensor fusion. Its dual-bank flash supports background programming and SWAP operations for zero-downtime firmware updates in field-deployed equipment.
Security is enforced via Arm TrustZone partitioning-up to four secure/non-secure flash regions, two data flash regions, and per-peripheral security attribution-coordinated with Renesas RSIP-E51A for AES/RSA/ECC acceleration, 128-bit unique ID, and SPA/DPA-resistant tamper protection. The device operates across −40°C to +125°C junction temperature with 1.68–3.6 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm® Cortex®-M85 @ 480 MHz with Helium™ MVE, FPU, and TrustZone |
| Memory | 2 MB dual-bank code flash (background/SWAP), 12 KB data flash (100k P/E cycles), 1 MB SRAM (128 KB TCM + 896 KB user RAM with ECC/parity) |
| Connectivity | Dual CAN FD (ISO 11898-1), Ethernet MAC/EDMAC, USB 2.0 FS (host/device), dual SDHI, I3C, 2× I²C, 2× SPI, 6× SCI |
| Analog | Dual 12-bit ADC (25 ch total), dual 12-bit DAC, 2× ACMPHS, on-die temperature sensor (TSN) |
| Timers | 8× GPT32, 6× GPT16, 2× AGT, 2× ULPT, WDT/IWDT, SysTick_S/NS |
| Security | Renesas RSIP-E51A (AES/RSA/ECC/HASH), TrustZone memory/peripheral isolation, secure boot, lifecycle management, 128-bit UID |
| Package & Temp | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), −40°C to +125°C junction temperature |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KP-A), 14 mm × 14 mm, 0.5 mm pitch, lead-free Sn finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VCC2 | Power supply | Primary and secondary core power inputs (1.68–3.6 V); require local 0.1 µF decoupling |
| VSS / VSS_DCDC | Ground | Digital and DC-DC regulator ground reference; low-impedance return path required |
| XTAL / EXTAL | Crystal oscillator | Supports 8–48 MHz external crystal for main clock; enables precise timing for Ethernet/USB |
| RES | Reset input | Active-low asynchronous reset; initiates full system initialization and security state reset |
| CRX0 / CTX0 CRX1 / CTX1 |
CAN FD interface | Dual independent CAN FD transceiver inputs/outputs; support ISO 11898-1 classical/CAN FD frames |
| USB_DP / USB_DM | USB physical layer | Integrated full-speed transceiver pins; no external PHY required for USB device/host operation |
| ETH_MDC / ETH_MDIO ETH_TXD0–3 / ETH_RXD0–3 |
Ethernet MAC interface | IEEE 802.3-compliant RMII/MII signals; connects directly to external PHY without glue logic |
| SD0CLK / SD0CMD / SD0DATA0–3 | SD host interface | 4-bit SDHC/SDXC bus supporting UHS-I SDR12/SDR25 modes; enables local firmware storage |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP | Enables atomic firmware updates without halting real-time control tasks-critical for industrial PLCs and robotics |
| RSIP-E51A + TrustZone | Hardware-accelerated crypto (AES-256, ECDSA-P256) and secure boot root-of-trust for certified OTA updates |
| Dual CAN FD + Ethernet | Simultaneous vehicle network diagnostics (CAN FD) and cloud telemetry (Ethernet) in single-chip gateway designs |
| GPT32 × 8 + BLDC PWM outputs | Direct 3-phase motor control with GTOUUP/GTOULO etc. pins; eliminates external gate drivers in HVAC/inverter systems |
| I3C + dual SDHI | High-bandwidth sensor aggregation (I3C) plus local firmware/data storage (SD) for autonomous edge devices |
| ULPT + AGT in Deep Standby | Sub-µA wake-up timers retain timekeeping and event detection during battery-backed low-power states |
Applications
| Industrial PLC Controller | Automotive Diagnostic Gateway |
|---|---|
Use Scenario: Compact programmable logic controller managing I/O expansion, motion control, and HMI communication in factory machinery. IC Role / Device Role / Timing Role: Main application processor executing real-time ladder logic, driving PWM outputs for servo drives, and handling EtherNet/IP stack via ETHERC/EDMAC. Use Value: Dual-bank flash enables seamless firmware updates during machine runtime; 480 MHz M85 core delivers deterministic cycle times under 100 µs for safety-critical motion sequences. |
Use Scenario: In-vehicle gateway bridging CAN FD diagnostic networks (OBD-II) with Ethernet-based telematics modules for remote ECU reprogramming. IC Role / Device Role / Timing Role: Secure protocol translator with TrustZone-isolated CAN FD receivers and Ethernet MAC transmitter, enforcing firmware signature verification before flash writes. Use Value: RSIP-E51A accelerates ECDSA signature validation of OTA packages; dual CAN FD channels allow concurrent UDS and DoIP sessions without software arbitration. |
| Smart Energy Meter Hub | Medical Infusion Pump Controller |
Use Scenario: Utility-grade meter aggregating data from multiple smart sensors (current/voltage/temp) and transmitting encrypted logs over Ethernet or cellular backhaul. IC Role / Device Role / Timing Role: High-accuracy analog front-end controller using dual ADC12 units with internal reference, coupled with cryptographic signing of measurement records via RSIP-E51A. Use Value: 12-bit ADC with 25-channel multiplexing captures simultaneous voltage/current harmonics; ECC-protected SRAM ensures data integrity during power brownouts. |
Use Scenario: Life-critical infusion pump performing closed-loop flow control, pressure monitoring, and wireless BLE telemetry while maintaining IEC 62304 Class C compliance. IC Role / Device Role / Timing Role: Safety-certified MCU running dual-core lockstep monitor (via MPU_S/MPU_NS partitioning) and controlling stepper motor drivers via GPT32 PWM outputs. Use Value: Parity/ECC SRAM detects/corrects memory errors in real time; ULPT timer maintains accurate dose timing during deep sleep between delivery pulses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance secure microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M5BH3CFB#AA0 | Arm Cortex-M33 @ 200 MHz, 1 MB flash, no Ethernet MAC or CAN FD, RSIP-E50A (subset of RSIP-E51A) | Lacks dual CAN FD and Ethernet; suitable for cost-sensitive motor control without network gateway requirements | Select when Ethernet/CAN FD integration is unnecessary and BOM cost reduction outweighs performance/security scaling |
| R7FA8M5BH3CFB#AA0 | Same RA8 family, Cortex-M85 @ 480 MHz, but 176-pin LQFP, 2 MB flash, dual SDHI, no Ethernet MAC | Higher pin count and memory, but omits Ethernet PHY interface-used where SD card logging replaces wired telemetry | Choose when local data storage (dual SDHI) and extended I/O are prioritized over wired network connectivity |
Compared with R7FA8T1AHECFP#BA0, the R7FA6M5BH3CFB#AA0 offers lower cost and power at reduced performance and security scope, while the R7FA8M5BH3CFB#AA0 trades Ethernet capability for expanded peripheral count and memory-both require PCB redesign due to differing pinouts and package sizes.
Availability
R7FA8T1AHECFP#BA0 is available at Aetrix Electronics and suitable for industrial automation controllers, automotive diagnostic gateways, and medical infusion pump systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7FA8T1AHECFP#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, and power solutions for industrial, automotive, and enterprise markets.
The RA8T1 group targets high-integrity real-time applications demanding Armv8.1-M performance, hardware-enforced security, and integrated connectivity-designed specifically for next-generation industrial gateways, EV charging controllers, and AI-edge inference nodes.
FAQ
What is the maximum operating frequency of the R7FA8T1AHECFP#BA0?
The R7FA8T1AHECFP#BA0 operates at a maximum CPU frequency of 480 MHz using the Arm Cortex-M85 core with Helium technology. This speed is achievable with the main clock oscillator (MOSC) or PLL1/PLL2 configurations, and is validated across the full −40°C to +125°C operating junction temperature range specified for the R7FA8T1AHECFP#BA0.
Does the R7FA8T1AHECFP#BA0 support secure boot and cryptographic acceleration?
Yes, the R7FA8T1AHECFP#BA0 integrates Renesas RSIP-E51A with hardware-accelerated AES, RSA, ECC, and HASH functions, plus Arm TrustZone for memory and peripheral isolation. Secure boot is implemented using immutable ROM-based First Stage Bootloader (FSBL) that validates signed firmware images before execution-core functionality of the R7FA8T1AHECFP#BA0 security architecture.
What package type and pin count does the R7FA8T1AHECFP#BA0 use?
The R7FA8T1AHECFP#BA0 uses a 100-pin LQFP package (PLQP0100KP-A), measuring 14 mm × 14 mm with 0.5 mm pitch and Sn (tin-only) lead-free termination. This package provides 70 general-purpose I/O pins and is optimized for compact industrial control boards where thermal performance and layout simplicity are critical-distinct from larger RA8T1 variants like the 176-pin LQFP or 224-pin BGA.
Can the R7FA8T1AHECFP#BA0 execute firmware updates without interrupting real-time operation?
Yes, the R7FA8T1AHECFP#BA0 supports background programming and SWAP operations in its dual-bank 2 MB code flash. This allows one bank to execute active firmware while the other receives and validates an update-enabling zero-downtime field upgrades essential for R7FA8T1AHECFP#BA0 deployments in continuous-operation systems like factory HMIs or energy meters.
Which communication interfaces are integrated into the R7FA8T1AHECFP#BA0?
The R7FA8T1AHECFP#BA0 integrates Ethernet MAC/EDMAC, USB 2.0 Full-Speed (host/device), dual CAN FD, dual SDHI, I3C, 2× I²C, 2× SPI, and 6× SCI modules. These interfaces enable converged connectivity in edge devices-e.g., using CAN FD for local actuator control and Ethernet for cloud telemetry within a single R7FA8T1AHECFP#BA0-based gateway.
R7FA8T1AHECFP#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RA8T1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M85
- Core Size:
- 32-Bit
- Speed:
- 360MHz
- Connectivity:
- CANbus, Ethernet, I2C, MMC/SD, QSPI, SCI, SmartCard, SPI, UART/USART, USB
- Peripherals:
- AES, DMA, POR, PWM, RSA, Temp Sensor, Voltage Detect, WDT
- Number of I/O:
- 70
- 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 10x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA8T1AHECFP#BA0 FAQ
1.How can I place an order for R7FA8T1AHECFP#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA8T1AHECFP#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 R7FA8T1AHECFP#BA0 reliable?
The price and inventory of R7FA8T1AHECFP#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA8T1AHECFP#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA8T1AHECFP#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA8T1AHECFP#BA0 transactions.
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4.How is shipping managed for R7FA8T1AHECFP#BA0?
R7FA8T1AHECFP#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA8T1AHECFP#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 R7FA8T1AHECFP#BA0?
For technical support, including R7FA8T1AHECFP#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA8T1AHECFP#BA0 requirements.
6.How does Aetrix verify that R7FA8T1AHECFP#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA8T1AHECFP#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 R7FA8T1AHECFP#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA8T1AHECFP#BA0?
All R7FA8T1AHECFP#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA8T1AHECFP#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 R7FA8T1AHECFP#BA0 part is unused and in its original packaging.
Return procedure for R7FA8T1AHECFP#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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