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
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.
Parameters
| Attributes | Value |
|---|---|
| Main CPU | Arm Cortex-M33 |
| Program Memory (KB) | 128, 256 |
| RAM (KB) | 40 |
| Carrier Type | Bulk (Tray), Full Carton (Tray), Tape & Reel |
| Supply Voltage (V) | 2.7 - 3.6 |
| I/O Ports | 16, 29, 45 |
| DRAM I/F | No |
| Temp. Range (°C) | Ta = -40 to +105 |
| Operating Freq (Max) (MHz) | 100 |
| Ethernet speed | No |
| EtherCat (ch) (#) | 0 |
| USB FS (host ch/device ch) | ( 0 / 0 ) |
| USB HS (host ch/device ch) | ( 0 / 0 ) |
| USB SS (host ch/device ch) | ( 0 / 0 ) |
| SCI or UART (ch) | 2 |
| SPI (ch) | 2 |
| I2C (#) | 0 |
| CAN (ch) | 0 |
| CAN-FD (ch) | 1 |
| Wireless | No |
| SDHI (ch) | 0 |
| High Resolution Output Timer | No |
| PWM Output (pin#) | 8, 12 |
| 32-Bit Timer (ch) | 0 |
| 16-Bit Timer (ch) (#) | 4, 6 |
| Standby operable timer | No |
| 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) | 5, 8, 12 |
| 24-Bit Sigma-Delta A/D Converter (ch) | 0 |
| 12-Bit D/A Converter (ch) | 1, 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, Arm TrustZone |
Application Block Diagrams
 | Integrated Washer-Dryer System with PFC Integrated washer-dryer system with energy-efficient design, BLDC motor control, and IoT connectivity. |
 | Cordless Brushless Drill Cordless brushless drill designs delivering power, precision, and connectivity. |
 | Dexterous Hand This robotic hand system comes with 6-cylinder control, micro-ROS support, and modular sensor integration. |
 | Chainsaw System Chainsaw system with FOC delivers high torque, reliability, and efficiency, speeding up market readiness. |
 | 48V Mobility Platform This 48V mobility platform offers versatile, adaptable solutions for diverse electric mobility applications. |
 | Residential AFCI Circuit Breaker AFCI circuit breaker system with Wi-Fi and AI detects arcs to prevent fires. |
 | Torque Control System Precision torque control ensures product quality using MCUs with high-precision AFE and reliable sensors. |
 | High Power, Compact BLDC Motor Control Compact design with smart gate driver IC for 3-phase BLDC, GaN MOSFET and enhanced data communication. |
 | Portable EV Charger Portable DC charger for EVs powered by 48V battery stacks, featuring Bluetooth connectivity. |
 | Smart BLDC Ceiling Fan with PFC Smart ceiling fan enhances air quality with sensorless vector control and remote Wi-Fi/Bluetooth LE operation. |
Additional Applications
- Vacuum cleaners
- Washing machines
- Refrigerators
- IH cookers
- Fans
- Pumps
- Thermal printers
- Power tools