Overview
Description
Based on the 100MHz Arm® Cortex®-M33 core with TrustZone®, the RA4T1 group offers an optimized peripheral for motor control and inverter control functions with small 32-pin QFN and LQFP package options. These satisfy the needs of high-performance, cost-sensitive, and space-constrained applications. The RA4T1 integrates a wide range of communication interfaces, including CAN FD, I³C, SCI, and SPI, covering all the connectivity needs of a wide range of motor control and consumer applications.
Features
- 100MHz Arm® Cortex®-M33 core with TrustZone®
- 128KB to 256KB Flash memory and 40KB SRAM
- 4KB Data Flash to store data as in EEPROM
- Scalable from 32-pin to 64-pin packages
- PWM timer
- 12-bit A/D converter
- Programmable gain amplifier
- High-speed comparator
- 12-bit D/A converter
- Trigonometric Function Unit
- CAN FD
- I³C, SCI, SPI
Comparison
Applications
Design & Development
Software & Tools
Sample Code
Boards & Kits
Models
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.
Support
Support Communities
Get quick technical support online from Renesas Engineering Community technical staff.
Support Communities
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what's wrong with my register writing code on a RA4T1? The register content is not changed.
Hi, I'm using a RA4T1. I want to change GPT timer5 GTCNT value before starting it as 180 degrees off with timer0 in sync. My single line C code in hal_entry.c is below. g_timer5_ctrl.p_reg->GTCNT = (PWMPeriod >> 1); //count init to 180 ...
Jan 11, 2025 -
RA4T1 RTC initialization?
... manual chapter 23 (RTC). I wonder if RA4T1 has a RTC module at all. Can you check for me? If RA4T1 does not have a RTC unit, how can I get the FSP configurator to generate correct code for RA4T1? The entire project zip file is below. RA4T1_MicroInverter.zip
Dec 10, 2024 -
RA4T1 TFU seems not getting correct sin value out in SCDT1 register.
Hi, RA4T1 has a trigonometric function unit that I want to use to calculate sine and cosine values. I was using arm_sin_cos() function which costs me ~6uS. When I put theta into SCDT1, SCDT0 should come out with cosine value while SCDT1 comes with sine value after the ...
Dec 21, 2024
FAQs
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RA6T1, RA6T2, RA6T3, RA4T1, RA2T1: Is there an example of motor control?
There is an application note "Sensorless Vector Control for Permanent Magnet Synchronous Motor". For details see Motor Control.
Jul 9, 2025 -
RA4T1, RA6T3, RA2T1: Small and low pin count package lineup
RA4T1 and RA6T3 are available in 5 mm square 32-pin QFN and 7mm square 32-pin LQFP packages.RA2T1 is available in 5 mm square 32-pin QFN, 7 mm square 32-pin LQFP and 4 mm square 24-pin QFN packages.
Jul 17, 2025 -
RA-T series : Simultaneous measurement of three shunt currents
RA-T series has a channel-dedicated sampling and holding function on certain analog input pins.By using this channel-dedicated sampling and hold function, data for 3 channels can be sampled at the same timing. This function is installed in unit 0 and unit 1 of the AD converter ...
Jul 9, 2025
Videos & Training
Renesas introduces the RA4T1 MCU group optimized for enhanced motor control.
Additional Videos
Events & Webinars
News & Blog Posts
News
May 30, 2023
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Blog Post
May 30, 2023
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Blog Post
Jan 28, 2022
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