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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

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) -
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, ECC, RSA, SHA224/SHA256, SHA384/SHA512, DOTF, Secure Boot, MAC, SPA/DPA Protection, Tamper Detection, Arm TrustZone

Package Options

Pkg. Type Pkg. Dimensions (mm) Lead Count (#) Pitch (mm)
BGA 13 x 13 x 1.47 224 0.8
LQFP 14 x 14 x 1.4 100 0.5
LQFP 20 x 20 x 1.7 144 0.5
LQFP 24 x 24 x 1.4 176 0.5

Application Block Diagrams

Interactive block diagram of the UAV system features AI vision, precision motor control, and smart battery management.
Unmanned Aerial Vehicle (UAV)
UAV system with AI vision, precision motor control, and smart battery management.
AC Drive & General Purpose Inverter System Block Diagram
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 Block Diagram
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)

Applied Filters:

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.