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) | 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, ECC, RSA, SHA224/SHA256, SHA384/SHA512, DOTF, Secure Boot, MAC, 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. |
 | 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)