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Renesas R7FA8T1AHECFC#BA0
- Part No.:
- R7FA8T1AHECFC#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7FA8T1AHECFC#BA0.pdf
- Description:
- MCU RA8 ARM CM85 400MHZ 2M/1M LQ
- Quantity:
- Payment:
- Shipping:
Inventory:2,729
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Product details
Overview
R7FA8T1AHECFC#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 Full-Speed, dual CAN FD, SDHI, I3C, and integrated RSIP-E51A security IP. It targets industrial automation gateways requiring real-time control, secure connectivity, and deterministic timing.
For engineers reviewing the R7FA8T1AHECFC#BA0 datasheet, R7FA8T1AHECFC#BA0 pinout, R7FA8T1AHECFC#BA0 application, or R7FA8T1AHECFC#BA0 equivalent, key selection criteria include its 176-pin LQFP package, -40°C to +125°C junction temperature rating, TrustZone-enabled secure boot, dual CAN FD for automotive diagnostics, and Ethernet MAC with DMA for protocol stack offload.
Technical Context
The R7FA8T1AHECFC#BA0 implements Armv8.1-M architecture with M-profile Vector Extension (MVE) for DSP and ML inference acceleration, paired with dual-bank flash supporting background SWAP operations for zero-downtime firmware updates. Its memory subsystem includes 128 KB TCM for latency-critical code and configurable ECC/parity on 1 MB SRAM.
Connectivity integrates ETHERC/EDMAC for IEEE 802.3-compliant frame handling without CPU intervention, two CAN FD controllers each with 4 TX/16 RX buffers compliant with ISO 11898-1, and I3C v1.1.1 master functionality with dynamic address assignment - all managed via Event Link Controller (ELC) for autonomous peripheral triggering.
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 (SWAP/background operation), 12 KB data flash (100k P/E cycles), 1 MB SRAM (128 KB TCM + ECC/parity) |
| Operating Temp | Junction range −40°C to +125°C - qualified for under-hood automotive and industrial edge nodes |
| Package | 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), PLQP0176KJ-A footprint |
| Security | Renesas RSIP-E51A: AES/RSA/ECC/HASH accelerators, 128-bit unique ID, tamper detection, SPA/DPA resistance, secure boot |
| Peripherals | Ethernet MAC/EDMAC, USB 2.0 FS (host/device), 2× CAN FD, 2× SDHI, I3C, 6× SCI, 2× I2C, 2× SPI, 2× ADC12 (25 ch), 2× DAC12 |
| Timers | 8× GPT32, 6× GPT16, 2× AGT, 2× ULPT, WDT/IWDT, SysTick_S/NS |
Pinout & Package
176-pin LQFP (PLQP0176KJ-A), 24 mm × 24 mm, 0.5 mm pitch, RoHS-compliant Sn terminal finish. Pin count supports 128 GPIOs with 5-V tolerant, open-drain, pull-up, and switchable drive strength options.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VCC2 | Power supply inputs | Dual 1.68–3.6 V domains: VCC powers core/peripherals; VCC2 supplies analog/USB - decoupling required per datasheet layout guidelines |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–48 MHz crystal or external clock source for precise system timing and PLL1/PLL2 reference |
| ETH_TXD0–3 / ETH_RXD0–3 | Ethernet MAC physical layer interface | Direct connection to external PHY; requires impedance-controlled routing and 50 Ω termination per IEEE 802.3 |
| CANFD0_TX / CANFD0_RX | CAN FD channel 0 transceiver interface | Direct connection to isolated CAN FD transceiver (e.g., RAJ1101); supports bit rates up to 5 Mbps with ISO 11898-1 compliance |
| USB_DP / USB_DM | Integrated USB 2.0 Full-Speed transceiver | On-chip PHY eliminates external transceiver; requires 90 Ω differential impedance and ESD protection per USB-IF spec |
| SD0CLK / SD0CMD / SD0DATA0–3 | SD/MMC host interface (4-bit mode) | Supports SDHC/SDXC cards at up to 50 MHz; SD0CD enables hot-plug detection in embedded storage applications |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP | Enables atomic firmware updates: new image written to inactive bank while active bank executes; SWAP command triggers instant bank switch with no runtime interruption |
| TrustZone + RSIP-E51A | Hardware-enforced isolation between secure/non-secure worlds; cryptographic operations offloaded to dedicated engine - reduces CPU load by >90% vs. software AES |
| Ethernet MAC + EDMAC | Zero-copy DMA transfers between SRAM and PHY; supports IEEE 1588 PTP timestamping and checksum offload for real-time industrial protocols |
| Event Link Controller (ELC) | Configurable hardware routing of 256+ peripheral events (e.g., ADC conversion complete → trigger GPT capture) - eliminates polling and ISR overhead |
| I3C v1.1.1 master | Dynamic address assignment and in-band interrupt support enable daisy-chain sensor networks with <100 µA standby current per node |
| GPT32 × 8 channels | Hardware BLDC motor control: 6-channel complementary PWM with dead-time insertion, hall sensor input (GTIU/GTIV/GTIW), and fault protection (GTETRGx) |
Applications
| Industrial Ethernet Gateway | Secure Automotive Diagnostic Tool |
|---|---|
|
Use Scenario: Edge gateway aggregating Modbus TCP, EtherNet/IP, and PROFINET traffic across factory floor PLCs and HMIs. IC Role / Device Role / Timing Role: Primary application processor running real-time OS; Ethernet MAC handles frame parsing; ELC synchronizes ADC sampling with motion control loops. Use Value: Dual-bank flash enables field-upgradable protocol stacks; TrustZone isolates secure firmware update service from untrusted network-facing tasks. |
Use Scenario: Handheld OBD-II scanner supporting UDS over CAN FD and DoIP over Ethernet for Tier-1 supplier validation. IC Role / Device Role / Timing Role: Central controller managing dual CAN FD interfaces (diagnostic + flashing), USB device for PC communication, and secure key provisioning via RSIP-E51A. Use Value: Integrated CAN FD controllers eliminate external transceivers; 128-bit HUK and secure boot prevent cloning; USBFS supports CDC ACM class for plug-and-play driverless operation. |
| Smart Energy Meter Hub | Medical IoT Data Concentrator |
|
Use Scenario: DIN-rail mounted meter concentrator collecting AMI data via PLC, RF, and wired Ethernet backhaul. IC Role / Device Role / Timing Role: Secure data aggregator with encrypted TLS tunnel (via RSIP-E51A), SDHI for local log storage, and ULPT timers for low-power wake-up scheduling. Use Value: 12 KB data flash stores calibration coefficients with 100k endurance; ECC SRAM ensures integrity of billing-critical calculations during brownouts. |
Use Scenario: HIPAA-compliant patient monitor hub collecting ECG, SpO₂, and temperature data from Bluetooth LE and I3C sensors. IC Role / Device Role / Timing Role: Trusted execution environment for medical algorithm processing; I3C manages ultra-low-power sensor wake-up; ADC12 digitizes analog biosignals at 1 MSPS. Use Value: Tamper detection disables sensitive peripherals if enclosure breach is detected; TSN sensor provides on-die thermal compensation for ADC accuracy drift. |
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 |
|---|---|---|---|
| R7FA6T1ADHECBD#AA0 | Same RA8T1 family but 224-pin BGA; adds SDRAM interface and external bus; higher I/O count (174 pins) | Better suited for applications needing external DDR3/LPDDR3 or FPGA co-processing; not pin-compatible with R7FA8T1AHECFC#BA0 | Select when external memory bandwidth >1 GB/s is required and PCB space allows BGA assembly. |
| R7FA8M1ABGCFB#AA0 | RA8M1 series: same Cortex-M85 core but 1 MB flash, no Ethernet MAC, no CAN FD, reduced analog (1× ADC12) | Targeted at cost-sensitive motor control where CAN FD and Ethernet are unnecessary | Choose for BLDC/PMSM drives without network connectivity requirements - lower BOM cost and smaller 144-pin LQFP footprint. |
Compared with R7FA8T1AHECFC#BA0, the R7FA6T1ADHECBD#AA0 offers expanded memory interfacing at the cost of larger package and no direct pin compatibility, while the R7FA8M1ABGCFB#AA0 sacrifices networking and analog integration for lower unit cost and simplified layout - neither is a drop-in replacement.
Availability
R7FA8T1AHECFC#BA0 is available at Aetrix Electronics and suitable for industrial automation gateways, automotive diagnostic tools, smart energy metering systems, and medical IoT concentrators requiring stable component supply across extended product lifecycles.
Supply support for R7FA8T1AHECFC#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 global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with annual revenue exceeding $10 billion.
The RA8T1 group is designed for high-integrity real-time applications demanding both performance and security - targeting industrial edge devices, automotive diagnostics, and medical equipment where functional safety and cryptographic assurance are mandatory.
FAQ
What is the maximum operating frequency of the R7FA8T1AHECFC#BA0?
The R7FA8T1AHECFC#BA0 operates at a maximum frequency of 480 MHz using its Arm® Cortex®-M85 core. This speed is achieved with PLL1 driven by the main clock oscillator (MOSC) or high-speed on-chip oscillator (HOCO), and is fully supported across the full −40°C to +125°C junction temperature range specified for the R7FA8T1AHECFC#BA0.
Does the R7FA8T1AHECFC#BA0 support secure boot and cryptographic acceleration?
Yes, the R7FA8T1AHECFC#BA0 integrates Renesas Secure IP (RSIP-E51A) with hardware-accelerated AES, RSA, ECC, and HASH operations, plus 128-bit unique ID and tamper detection. Combined with Arm® TrustZone®, it delivers certified secure boot, immutable bootloader execution, and runtime key management - all verified features of the R7FA8T1AHECFC#BA0 silicon.
What package type and pin count does the R7FA8T1AHECFC#BA0 use?
The R7FA8T1AHECFC#BA0 uses a 176-pin LQFP package (PLQP0176KJ-A) measuring 24 mm × 24 mm with 0.5 mm pitch. This package provides 128 general-purpose I/O pins, including 5-V tolerant, open-drain, and programmable drive strength options - confirmed in the official R7FA8T1AHECFC#BA0 datasheet revision 1.30.
Can the R7FA8T1AHECFC#BA0 execute firmware updates without interrupting real-time operation?
Yes, the R7FA8T1AHECFC#BA0 supports seamless firmware updates via its dual-bank code flash architecture. While one bank executes live code, the other accepts new firmware; the SWAP command triggers instantaneous bank switching with sub-microsecond latency - a guaranteed capability of the R7FA8T1AHECFC#BA0 as documented in its flash memory specification.
Which communication interfaces with hardware DMA support are included in the R7FA8T1AHECFC#BA0?
The R7FA8T1AHECFC#BA0 includes Ethernet MAC with EDMAC, USB 2.0 Full-Speed with 10-pipe buffer DMA, dual CAN FD with dedicated TX/RX buffer DMA, and SDHI with scatter-gather DMA - all enabling zero-CPU-transfer data movement. These DMA-capable interfaces are explicitly listed in the R7FA8T1AHECFC#BA0 peripheral summary and block diagram.
R7FA8T1AHECFC#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LQFP
- Series:
- RA8T1
- 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, SmartCard, SPI, UART/USART, USB
- Peripherals:
- AES, DMA, POR, PWM, RSA, Temp Sensor, Voltage Detect, WDT
- Number of I/O:
- 128
- 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 24x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA8T1AHECFC#BA0 FAQ
1.How can I place an order for R7FA8T1AHECFC#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA8T1AHECFC#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 R7FA8T1AHECFC#BA0 reliable?
The price and inventory of R7FA8T1AHECFC#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA8T1AHECFC#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA8T1AHECFC#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA8T1AHECFC#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA8T1AHECFC#BA0?
R7FA8T1AHECFC#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA8T1AHECFC#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 R7FA8T1AHECFC#BA0?
For technical support, including R7FA8T1AHECFC#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA8T1AHECFC#BA0 requirements.
6.How does Aetrix verify that R7FA8T1AHECFC#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA8T1AHECFC#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 R7FA8T1AHECFC#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA8T1AHECFC#BA0?
All R7FA8T1AHECFC#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA8T1AHECFC#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 R7FA8T1AHECFC#BA0 part is unused and in its original packaging.
Return procedure for R7FA8T1AHECFC#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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