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RA8T1

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Product Longevity: 2040

480MHz Arm Cortex-M85 Based Motor Control Microcontroller with Helium and TrustZone

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Overview

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.

RA8T1 Block Diagram
RA8T1 Block Diagram
  • 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

Documentation

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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Diagram of ECAD Models

Models
Type Title Date
Model - IBIS
IBIS Models for RA8T1
ZIP 4.98 MB
Model - BSDL
BSDL Files for RA8T1
Log in to Download ZIP 40 KB
2 items

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Resources

Support Communities

  1. Ra8T1 refuses to flash

    So im making a custom board that was meant for the RA8M1 but due to lack of production for the footprint i wanted, I ended up revolving around the ra8t1 and im trying to flash it with an evaluation kit with the debug out configuration(the ra8m1 one).I managed ...

    Apr 20, 2024
  2. How to get the old CanFD firmware stack on the ra8m1/ra8t1

    So, i was doing a project related to AI and high frequency on the ra6m5 but since the ra8m1 was recently launched it had a lot better features, and I just couldn't resist its processing power, the thing is that now theres only a can fd lite stack on ...

    Apr 4, 2024
  3. Give higher priority to USB PCDC with RA8T1

    ... am not able to detect the serial port in my host, this is also noticed with your provided examples for the different dev kits based on RA8T1 and RA8M1 . Is there any way to have a higher priority of the thread and I could detect the serial port from host?

    Dec 28, 2024
View All Results from Support Communities (14)

FAQs

  1. External memory types supported with RA8 Series MCUs

    RA8 Series MCUs support xSPI compliant Octal SPI (OSPI) interface with support for Execute-In-Place and Decryption-on-the-fly (DOTF). The OSPI interface is compliant with JEDEC standard JESD251 (Profile 1.0 and 2.0), JESD251-1 and JESD252. The RA8 Series is compatible with all flash devices ...

    Jul 1, 2025
  2. RA8: Using Helium with the CM85 core

    The Cortex-M85 core based on the Arm v8.1-M architecture brings Helium (Arm MVE) to the RA8 series, for acceleration of DSP and AI/ML tasks. CMSIS-NN and DSP libraries, with full support for Helium are available now and should be linked into the project in ...

    Jul 1, 2025
  3. RA8: High performance Graphics MCUs package line-up for diverse applications

    The RA8M1 Group MCUs support a wide lineup of package options including 100LQFP, 144LQFP and 176LQFP with 0.5mm pitch and 224BGA with 0.8mm pitch. The RA8D1 Group MCUs support 176LQFP package with 0.5mm pitch and 224BGA package with 0.8mm pitch. The RA8T1 Group MCUs support a ...

    Jan 30, 2024
View All Results from FAQs (17)

Videos & Training

Watch an unboxing and overview of the RA8 series evaluation kits, including several example projects. The RA8 series kits can help you quickly develop proofs of concept for resource-constrained AIoT edge and endpoint devices.

Additional Videos

Events & Webinars

News & Blog Posts

News
Jan 30, 2024
Renesas Brings Industry-Leading Performance of RA8 Series MCUs to Motor Control Applications
Blog Post
Jan 29, 2024
How to Add More Value to Your Motor Control System
News
Oct 31, 2023
Renesas’ New Ultra-High Performance MCUs are Industry’s First Based on Arm Cortex-M85 Processor
Blog Post
Oct 31, 2023
Power Your Edge AI Application with the Industry’s Most Powerful Arm MCUs
Blog Post
Oct 13, 2022
Using Example Projects to Support RA MCU Designs
Blog Post
Jan 28, 2022
Get Where You’re Going with the Official Renesas RA Family Guide