Features
- 480MHz Arm Cortex-M85 with Helium Technology and TrustZone
- 1MB - 2MB Dual-bank Flash memory and 1MB SRAM including TCM
- 12KB Data Flash and 1KB Standby SRAM
- 32KB I/D Cache
- 14ch PWM Timers and 4ch Low-Power Timers
- 12-bit A/D Converter with 3-ch Sample and Hold
- 12-bit D/A Converter and High-speed Analog Comparator
- Ethernet MAC with DMA Controller
- USB2.0 Full-Speed Device/Host
- CAN FD
- SD/MMC Host Interface
- SPI/I2C/I3C multi-master interface
- SCI (UART, Simple SPI, Simple I2C)
- Renesas Secure IP (RSIP-E51A)
- Immutable ROM for First Stage Boot Loader (FSBL)
- Scalable from 100-pin to 224-pin packages
RA8T1 Block Diagram
Description
The RA8T1 Group 32-bit microcontroller (MCU) is based on an up to 480MHz Arm® Cortex®-M85 core with Helium™ Technology and TrustZone® and offers peripheral features optimized for motor or inverter controls. The RA8T1 Group integrates up to 2MB large Flash memory, 1MB SRAM including TCM, PWM timers, analog features, and multiple connectivity features, and also supports advanced security features and safety functions. The RA8T1 Group enables advanced motor control or additional functions on user systems through its high performance and abundant integrated features. The RA8T1 Group supports the Flexible Software Package (FSP) and partner ecosystems, as well as motor control evaluation kits, software, and tools.
Parameters
| Attributes | Value |
|---|---|
| Main CPU | Arm Cortex-M85 |
| Program Memory (KB) | 1024, 2048 |
| RAM (KB) | 1024 |
| Carrier Type | Full Carton (Tray), Full Tray (Tray) |
| Supply Voltage (V) | 1.68 - 3.6 |
| I/O Ports | 70, 106, 128, 174 |
| DRAM I/F | No, SDRAM |
| Temp. Range (°C) | Tj= -40 to +125 |
| Operating Freq (Max) (MHz) | 360, 400, 480 |
| Ethernet speed | 10M/100M |
| EtherCat (ch) (#) | 0 |
| USB FS (host ch/device ch) | ( 1 / 1 ) |
| USB HS (host ch/device ch) | ( 0 / 0 ) |
| USB SS (host ch/device ch) | ( 0 / 0 ) |
| SCI or UART (ch) | 6 |
| SPI (ch) | 2 |
| I2C (#) | 2 |
| CAN (ch) | 0 |
| CAN-FD (ch) | 2 |
| Wireless | No |
| SDHI (ch) | 2 |
| High Resolution Output Timer | No |
| PWM Output (pin#) | 25, 28 |
| 32-Bit Timer (ch) | 10 |
| 16-Bit Timer (ch) (#) | 6 |
| Standby operable timer | Yes |
| Asynchronous General Purpose Timer / Interval Timer (ch) | 2 |
| 16-Bit A/D Converter (ch) | 0 |
| 14-Bit A/D Converter (ch) | 0 |
| 12-Bit A/D Converter (ch) | 11, 16, 20, 21 |
| 24-Bit Sigma-Delta A/D Converter (ch) | 0 |
| 12-Bit D/A Converter (ch) | 2 |
| 8-Bit D/A Converter (ch) | 0 |
| Capacitive Touch Sensing Unit (ch) | 0 |
| Image Codec | No |
| Segment LCD Controller | No |
| Security & Encryption | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone |
Application Block Diagrams
 | Unmanned Aerial Vehicle (UAV) UAV system with AI vision, precision motor control, and smart battery management. |
 | Ki Wireless Power Transceiver System (Tx) High‑efficiency Ki wireless power transceiver combining inductive power transfer and NFC for reliable, compact, cable‑free appliance charging. |
 | AC Drive & General Purpose Inverter System This system provides a basic configuration and essential components for AC drives and general purpose (GP) inverters. |
 | 20kW 3-phase PFC Inverter The 3-phase PFC inverter uses Renesas MCUs for efficient control communication and supports up to 20kW power. |
Additional Applications
- Industrial Automation (AC Drive, AC Servo, AGV/AMR)
- Building Automation (HVAC, Compressor, Solar Inverter)
- Smart Home (Air Conditioner, Washer/Dryer, Refrigerator, Vacuum Cleaner)
- Fields (Power Tools, Mower Machine)
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| Part Number | Status | Samples | Longevity | Stock | Package | Budgetary Price (USD) | Carrier Type | Family Name | Series Name | Group Name | CPU Architecture | Main CPU | Sub CPU | Floating Point Unit | Bit Length | Program Memory (KB) | Data Flash (KB) | RAM (KB) | ECC SRAM | Lead Count (#) | Pitch (mm) | Pkg. Dimensions (mm) | Number of Supply Voltage(s) (#) | Supply Voltage (V) | I/O Ports | DMAC or DTC | DMA (ch) | Temperature Sensor (ch) (#) | Power-On Reset | Watchdog Timer (ch) | External Memory Bus (bit) | DRAM I/F | 3D GPU | Accelerator | MOQ | Temp. Range (°C) | External Interrupt Pins (#) | LVD or PVD | Operating Freq (Max) (MHz) | Sub-clock (32.768 kHz) | On-chip Oscillator | Ethernet speed | Ethernet (ch) | EtherCat (ch) (#) | USB Ports (#) | USB FS (host ch/device ch) | USB HS (host ch/device ch) | USB SS (host ch/device ch) | PCI Express (generation and ch) | SCI or UART (ch) | SPI (ch) | QSPI (ch) | OSPI (ch) | I2C (#) | I3C (ch) | CAN (ch) | CAN-FD (ch) | Wireless | IrDA | LIN (#) | SDHI (ch) | High Resolution Output Timer | PWM Output (pin#) | 32-Bit Timer (ch) | 16-Bit Timer (ch) (#) | 8-Bit Timer (ch) | Standby operable timer | Asynchronous General Purpose Timer / Interval Timer (ch) | RTC | 16-Bit A/D Converter (ch) | 14-Bit A/D Converter (ch) | 12-Bit A/D Converter (ch) | 10-Bit A/D Converter (ch) | 24-Bit Sigma-Delta A/D Converter (ch) | 16-Bit D/A Converter (ch) | 12-Bit D/A Converter (ch) | 10-Bit D/A Converter (ch) (#) | 8-Bit D/A Converter (ch) | Analog Comparator (ch) | OPAMP (ch) (#) | PGA (ch) | Capacitive Touch Sensing Unit (ch) | Graphics LCD Controller | MIPI Interfaces (DSI) (ch) | MIPI Interfaces (CSI) (ch) | Camera I/F (Parallel) | Image Codec | 2D Drawing Engine | Segment LCD Controller | SSI (ch) | Security & Encryption | Debug Interface | Moisture Sensitivity Level (MSL) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R7FA8T1AFECBD#BC0 | Active | Available | 2036 Dec | Out of Stock | LFBGA | 1ku | $8.63 | Full Carton (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 1024KB | 12KB | 1024KB | Yes | 224# | 0.8mm | 13 x 13 x 1.47 | 1# | 1.68 - 3.6 | 174 | DMAC&DTC | 8 | 1# | Yes | 2 | 8,16,32 | SDRAM | No | No | 1280 | Tj= -40 to +125 | 16# | Yes | 480MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 21 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | TAIWAN | TAIWAN |
| R7FA8T1AFECFB#BA0 | Active | Available | 2041 Dec | Out of Stock | LFQFP | 1ku | $7.84 | Full Carton (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 1024KB | 12KB | 1024KB | Yes | 144# | 0.5mm | 20 x 20 x 1.4 | 1# | 1.68 - 3.6 | 106 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 480 | Tj= -40 to +125 | 16# | Yes | 400MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 16 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | CHINA | TAIWAN |
| R7FA8T1AFECFC#BA0 | Active | Available | 2041 Dec | Out of Stock | LFQFP | 1ku | $8.16 | Full Carton (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 1024KB | 12KB | 1024KB | Yes | 176# | 0.5mm | 24 x 24 x 1.4 | 1# | 1.68 - 3.6 | 128 | DMAC&DTC | 8 | 1# | Yes | 2 | 8,16 | SDRAM | No | No | 240 | Tj= -40 to +125 | 16# | Yes | 400MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 20 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | TAIWAN | TAIWAN |
| R7FA8T1AFECFP#BA0 | Active | Available | 2041 Dec | Out of Stock | LFQFP | 1ku | $7.4 | Full Carton (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 1024KB | 12KB | 1024KB | Yes | 100# | 0.5mm | 14 x 14 x 1.4 | 1# | 1.68 - 3.6 | 70 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 720 | Tj= -40 to +125 | 16# | Yes | 360MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 25 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 11 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | TAIWAN | TAIWAN |
| R7FA8T1AHECBD#BC0 | Active | Available | 2036 Dec | Out of Stock | LFBGA | 1ku | $9.29 | Full Carton (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 2048KB | 12KB | 1024KB | Yes | 224# | 0.8mm | 13 x 13 x 1.47 | 1# | 1.68 - 3.6 | 174 | DMAC&DTC | 8 | 1# | Yes | 2 | 8,16,32 | SDRAM | No | No | 1280 | Tj= -40 to +125 | 16# | Yes | 480MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 21 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | TAIWAN | TAIWAN |
| R7FA8T1AHECBD#UC0 | Active | N/A | TBD | In Stock | LFBGA | Full Tray (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 2048KB | 12KB | 1024KB | Yes | 224# | 0.8mm | 13 x 13 x 1.47 | 1# | 1.68 - 3.6 | 174 | DMAC&DTC | 8 | 1# | Yes | 2 | 8,16,32 | SDRAM | No | No | 160 | Tj= -40 to +125 | 16# | Yes | 480MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 21 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | |||
| R7FA8T1AHECFB#BA0 | Active | Available | 2041 Dec | Out of Stock | LFQFP | 1ku | $8.51 | Full Carton (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 2048KB | 12KB | 1024KB | Yes | 144# | 0.5mm | 20 x 20 x 1.4 | 1# | 1.68 - 3.6 | 106 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 480 | Tj= -40 to +125 | 16# | Yes | 400MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 16 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | CHINA | TAIWAN |
| R7FA8T1AHECFC#BA0 | Active | Available | 2041 Dec | Out of Stock | LFQFP | 1ku | $8.82 | Full Carton (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 2048KB | 12KB | 1024KB | Yes | 176# | 0.5mm | 24 x 24 x 1.4 | 1# | 1.68 - 3.6 | 128 | DMAC&DTC | 8 | 1# | Yes | 2 | 8,16 | SDRAM | No | No | 240 | Tj= -40 to +125 | 16# | Yes | 400MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 20 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | TAIWAN | TAIWAN |
| R7FA8T1AHECFC#UA0 | Active | N/A | TBD | In Stock | LFQFP | Full Tray (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 2048KB | 12KB | 1024KB | Yes | 176# | 0.5mm | 24 x 24 x 1.4 | 1# | 1.68 - 3.6 | 128 | DMAC&DTC | 8 | 1# | Yes | 2 | 8,16 | SDRAM | No | No | 40 | Tj= -40 to +125 | 16# | Yes | 400MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 20 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | |||
| R7FA8T1AHECFP#BA0 | Active | Available | 2041 Dec | Out of Stock | LFQFP | 1ku | $8.06 | Full Carton (Tray) | RA | RA8 | RA8T1 | Arm | Arm Cortex-M85 | No | Double/Single/Half | 32 | 2048KB | 12KB | 1024KB | Yes | 100# | 0.5mm | 14 x 14 x 1.4 | 1# | 1.68 - 3.6 | 70 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 720 | Tj= -40 to +125 | 16# | Yes | 360MHz | Yes | Yes | 10M/100M | 1ch | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 2 | 0 | 0 | 2# | 1 | 0 | 2 | No | No | 0 | 2 | No | 28 | 10 | 6# | 0 | Yes | 2 | No | 0 | 0 | 11 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID, TRNG, AES(128/192/256), ECC/RSA(4K), SHA224/SHA256/SHA384/SHA512, DOTF, FSBL, HMAC/GMAC/CMAC, DLM, SPA/DPA Protection, Tamper Detection, Arm TrustZone | JTAG/SWD | 3 | TAIWAN | TAIWAN |
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- Technical Update
- Application NotePDF 700 KB R20AN0716EU0121 Rev.1.21 Jun 03, 2026The MCK-RA8T1 example project bundle demonstrates how to write code for various Renesas Flexible Software Package (FSP) modules supported by the MCK-RA8T1 kit. It includes multiple example projects that highlight peripheral usage and system functionality, while leveraging the optimized, scalable, and high‑quality FSP for embedded system design.Related Files:
- Application NotePDF 3.85 MB R11AN0496EU0230 Rev.2.30 Apr 29, 2026Learn how Renesas MCU security is built around integrated security engines. The RA family includes various types, which can be identified in each MCU’s hardware manual. These engines operate in two modes: Compatibility and Protected. This application note defines both and outlines their use cases.Related Files:
- OtherThis document provides supplementary explanations of the peripheral functions chapter of the hardware manual for RA microcontrollers based on frequently asked questions.Related Files:
- OtherThis document provides supplementary explanations of the electrical characteristics chapter of the hardware manual for RA microcontrollers based on frequently asked questions.Related Files:
- Quick Start GuideThe Modbus protocol stack operates on RA evaluation boards to enable efficient development of Modbus TCP applications. This quick start guide provides an overview of the protocol stack features and introduces a Modbus sample application to assist with the development and implementation of applications using the stack.Related Files:
- GuideThe Modbus sample program package for the RA Family includes example projects and related resources to support Modbus TCP development on RA evaluation boards. This guide describes the structure of the sample program package and helps developers identify the appropriate resources included within it.Related Files:
- Application NotePDF 3.4 MB R11AN0785EU0110 Rev.1.10 Mar 20, 2026Renesas RA8 Series Device Lifecycle Management (DLM) is a security and control framework unique to the RA MCU Family, built on the Arm Cortex-M85 core. DLM identifies the current phase (development, production, or deployment) of the device and controls the capabilities of the debug function, the serial programming interface, and Renesas test mode.Related Files:
- Application NotePDF 3.27 MB R01AN7516EU0110 Rev.1.10 Mar 05, 2026Introduces the MCU boot firmware features and tool support to utilize Secure Factory Programming (SFP) for RA8 MCUs. Guidelines and procedures for utilizing these features and tools are provided. This application note also provides the key operations during SFP, Firmware Image Encryption and Device Lifecycle Management (DLM). This application note provides usage notes on how to use SFP with solutions such as the First Stage Bootloader (FSBL), TrustZone, and Decryption On The Fly (DOTF).
- Application NotePDF 283 KB R01AN6054EJ0160 Rev.1.60 Mar 03, 2026Recommended operating conditions are provided to help prevent device damage in Renesas RA family MCUs when injection current is introduced at I/O pins by external factors. The document outlines the maximum allowable injection current for each RA product and explains how to calculate appropriate series resistors to limit injection current, providing design guidelines for system development.
- Technical Update
- Application NoteProvide various control algorithms primarily featuring PM sensorless vector control functions and flying start functions for RA family/RX family CPU boards and the Renesas Electronics inverter MCI-LV-1.Related Files:
- DocumentRA8T1 Group Handbook for RA8T1RECOMMENDEDThe RA8T1 Group handbook organizes the necessary information and materials for product development by each development phase. Please make use of it during the planning and development stages within the RA8T1 Group.
- Application NoteThis application note describes a library for controlling external flash memory connected to an RAmicrocontroller (hereafter referred to as “MCU”). By using the library introduced in this document, you canperform write and debug operations on the. external flash memory through an on-chip debugging emulator. A sample project named “r20an0822ref0100-ra-refl.zip” (hereinafter referred to as “the Sample Project”) isavailable to facilitate the use of External Flash LibraryRelated Files:
- DatasheetRA8T1 Group DatasheetRECOMMENDEDRA8T1 MCU group integrates a 480MHz Arm Cortex-M85 core with Helium, advanced PWM, ADC, and safety features for high-performance motor control and real-time processing. It supports secure architecture and fast connectivity for demanding applications. The datasheet provides electrical characteristics, timing diagrams, and configuration details for accurate system integration, enabling precise control and optimized performance in embedded systems.
- DocumentRA8T1 Group Handbook for RA8T1RECOMMENDEDThe RA8T1 Group handbook organizes the necessary information and materials for product development by each development phase. Please make use of it during the planning and development stages within the RA8T1 Group.
- Manual - HardwareRA8T1 Group User's Manual: HardwareRECOMMENDEDThe RA8T1 group is 32-bit microcontroller for consumer and industrial equipment motor control. It contributes to high efficiency in home appliances and small industrial motors through PWM control, current/speed/position detection, and protection functions. The RA8T1 group hardware manual organizes and documents specifications for PWM/timers, ADC/comparators, motor-related interfaces, security, and various communication, along with block diagrams, pin functions, and electrical characteristics.
- Application NotePDF 343 KB R01AN7110EJ0100 Rev.1.00 Jan 16, 2024AI-generated Summary: RA8T1 Group microcontrollers operate reliably in high-temperature environments when proper derating is applied to manage thermal stress and extend device life. Reliability depends on usage conditions, with wear-out failures strongly influenced by temperature. Derating reduces load systematically to prevent early device failure. Thermal characteristics such as ambient temperature and thermal resistance are critical for calculating junction temperature (Tj). Representative derating examples for various package types guide users in maintaining device reliability over a 10-year lifespan under high-temperature conditions.
Recommended Documents (4)
- DatasheetRA8T1 Group DatasheetRECOMMENDEDRA8T1 MCU group integrates a 480MHz Arm Cortex-M85 core with Helium, advanced PWM, ADC, and safety features for high-performance motor control and real-time processing. It supports secure architecture and fast connectivity for demanding applications. The datasheet provides electrical characteristics, timing diagrams, and configuration details for accurate system integration, enabling precise control and optimized performance in embedded systems.
Datasheets (1)
- Quick Start GuideThe Modbus protocol stack operates on RA evaluation boards to enable efficient development of Modbus TCP applications. This quick start guide provides an overview of the protocol stack features and introduces a Modbus sample application to assist with the development and implementation of applications using the stack.Related Files:
- GuideThe Modbus sample program package for the RA Family includes example projects and related resources to support Modbus TCP development on RA evaluation boards. This guide describes the structure of the sample program package and helps developers identify the appropriate resources included within it.Related Files:
- Manual - HardwareRA8T1 Group User's Manual: HardwareRECOMMENDEDThe RA8T1 group is 32-bit microcontroller for consumer and industrial equipment motor control. It contributes to high efficiency in home appliances and small industrial motors through PWM control, current/speed/position detection, and protection functions. The RA8T1 group hardware manual organizes and documents specifications for PWM/timers, ADC/comparators, motor-related interfaces, security, and various communication, along with block diagrams, pin functions, and electrical characteristics.
- GuideRelated Files:
Manuals & Guides (5)
- Application NotePDF 700 KB R20AN0716EU0121 Rev.1.21 Jun 03, 2026The MCK-RA8T1 example project bundle demonstrates how to write code for various Renesas Flexible Software Package (FSP) modules supported by the MCK-RA8T1 kit. It includes multiple example projects that highlight peripheral usage and system functionality, while leveraging the optimized, scalable, and high‑quality FSP for embedded system design.Related Files:
- Application NotePDF 3.85 MB R11AN0496EU0230 Rev.2.30 Apr 29, 2026Learn how Renesas MCU security is built around integrated security engines. The RA family includes various types, which can be identified in each MCU’s hardware manual. These engines operate in two modes: Compatibility and Protected. This application note defines both and outlines their use cases.Related Files:
- Application NotePDF 3.4 MB R11AN0785EU0110 Rev.1.10 Mar 20, 2026Renesas RA8 Series Device Lifecycle Management (DLM) is a security and control framework unique to the RA MCU Family, built on the Arm Cortex-M85 core. DLM identifies the current phase (development, production, or deployment) of the device and controls the capabilities of the debug function, the serial programming interface, and Renesas test mode.Related Files:
- Application NotePDF 3.27 MB R01AN7516EU0110 Rev.1.10 Mar 05, 2026Introduces the MCU boot firmware features and tool support to utilize Secure Factory Programming (SFP) for RA8 MCUs. Guidelines and procedures for utilizing these features and tools are provided. This application note also provides the key operations during SFP, Firmware Image Encryption and Device Lifecycle Management (DLM). This application note provides usage notes on how to use SFP with solutions such as the First Stage Bootloader (FSBL), TrustZone, and Decryption On The Fly (DOTF).
- Application NotePDF 283 KB R01AN6054EJ0160 Rev.1.60 Mar 03, 2026Recommended operating conditions are provided to help prevent device damage in Renesas RA family MCUs when injection current is introduced at I/O pins by external factors. The document outlines the maximum allowable injection current for each RA product and explains how to calculate appropriate series resistors to limit injection current, providing design guidelines for system development.View More (36)
Application Notes & White Papers (36)
- Product Change Notice
Product Notices (PCN, EOL, etc) (1)
- Technical Update
- Technical Update
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- Technical UpdateView More (17)
Errata & Technical Updates (17)
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- OtherThis document provides supplementary explanations of the peripheral functions chapter of the hardware manual for RA microcontrollers based on frequently asked questions.Related Files:
- OtherThis document provides supplementary explanations of the electrical characteristics chapter of the hardware manual for RA microcontrollers based on frequently asked questions.Related Files:
- DocumentRA8T1 Group Handbook for RA8T1RECOMMENDEDThe RA8T1 Group handbook organizes the necessary information and materials for product development by each development phase. Please make use of it during the planning and development stages within the RA8T1 Group.
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Renesas Boards & Kits
MCK-RA8T1
Active
Renesas Flexible Motor Control Kit for RA8T1 MCU Group
The MCK-RA8T1 is a development kit that enables easy evaluation of motor control using permanent magnet synchronous motors (brushless DC motors). With this product and the sample code and QE for Motor that can be downloaded from the website, you can start evaluating motor control using the RA8T1... Read More
MCB-RA8T1
Active
Renesas Flexible Motor Control CPU Board for RA8T1 MCU Group
This product is a CPU board for motor control equipped with RA8T1. Motor control using RA8T1 can be easily realized by using it in combination with a supported inverter board. The RA8T1 MCU can be evaluated using this board alone.
By using a supported communication board, the CPU board can be... Read More
Partner Boards & Kits
SoM/SBC
AP-RA8T-0A
Provides a CPU board equipped with the Renesas RA8T1 featuring a 32-bit Arm® Cortex®-M85 operating up to 400-MHz with Helium technology support, enabling low-cost and low-power AI solutions. Supports real-time processing with RTOS, making it suitable for industrial IoT edge device applications requiring deterministic performance. Supports general-purpose interfaces including Ethernet, USB, CAN FD, and serial I/F, and includes Pmod connectors to enable easy functional expansion.
Supported Products:
RA8T1Provided By:
AlphaProject Co.,Ltd.
Evaluation
RA Family Microcontroller Board
This solution provides a general-purpose evaluation board featuring Renesas RA Family microcontrollers. It is available as a standalone evaluation board or as part of functional kits supporting applications such as CAN, touch key interfaces, and brushless motor control.
Supported Products:
RA0E1,RA2A1,RA2A2,RA2E1,RA2E3,RA2L1,RA2L2,RA2T1,RA4C1,RA4E1,RA4E2,RA4L1,RA4M1,RA4M2,RA4M3,RA4T1,RA6E1,RA6E2,RA6M1,RA6M2,RA6M3,RA6M4,RA6M5,RA6T1,RA6T2,RA6T3,RA8E1,RA8M1,RA8T1Provided By:
HOKUTO DENSHI