Overview
The STM32F303R8T6 is a high-performance microcontroller from STMicroelectronics, part of the STM32F303x6/8 family. It is built around the Arm® Cortex®-M4 32-bit RISC core, operating at a maximum frequency of 72 MHz and featuring a floating-point unit (FPU). This microcontroller is designed to offer a balance of high processing power, low power consumption, and a rich set of peripherals, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instruction |
| Memories | Up to 64 Kbytes of Flash memory, 12 Kbytes of SRAM with HW parity check, 4 Kbytes of SRAM on instruction and data bus with HW parity check (CCM) |
| Voltage Range | 2.0 to 3.6 V |
| Temperature Range | –40 to +85 °C and –40 to +105 °C |
| ADCs | Up to two fast 12-bit ADCs (5 Msps), up to 21 channels, 0 to 3.6 V conversion range, single-ended / differential mode |
| DACs | Up to three 12-bit DAC channels with analog supply from 2.4 V to 3.6 V |
| Comparators | Three ultra-fast rail-to-rail analog comparators with analog supply from 2 to 3.6 V |
| Operational Amplifier | One operational amplifier that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6 V |
| Timers | One 32-bit timer, several 16-bit timers, two watchdog timers, SysTick timer: 24-bit downcounter |
| Communication Interfaces | CAN interface (2.0 B Active), one SPI, one I2C with 20 mA current sink, up to three USARTs |
| Debug Mode | Serial wire debug (SWD), JTAG |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- High-Performance Core: Arm® Cortex®-M4 32-bit CPU with FPU, operating at up to 72 MHz.
- Enhanced Memories: Up to 64 Kbytes of Flash memory and 12 Kbytes of SRAM with hardware parity check.
- Advanced Analog Peripherals: Up to two fast 12-bit ADCs, three 12-bit DAC channels, three ultra-fast rail-to-rail analog comparators, and one operational amplifier.
- Extensive Timer Capabilities: One 32-bit timer, several 16-bit timers, two watchdog timers, and a SysTick timer.
- Low-Power Modes: Sleep, Stop, and Standby modes for power-efficient operation.
- Comprehensive Communication Interfaces: CAN, SPI, I2C, and up to three USARTs.
- Debugging Capabilities: Serial wire debug (SWD) and JTAG.
- Capacitive Sensing: Up to 18 capacitive sensing channels supporting touchkeys, linear and rotary touch sensors.
Applications
- Industrial Automation: Motor control, power management, and industrial communication.
- Consumer Electronics: Smart home devices, wearables, and handheld devices.
- Medical Devices: Portable medical equipment, diagnostic devices, and patient monitoring systems.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
- IoT Devices: Smart sensors, IoT gateways, and connected devices.
Q & A
- What is the maximum operating frequency of the STM32F303R8T6?
The maximum operating frequency is 72 MHz.
- What type of CPU core does the STM32F303R8T6 use?
The CPU core is an Arm® Cortex®-M4 32-bit RISC core with a floating-point unit (FPU).
- How much Flash and SRAM memory does the STM32F303R8T6 have?
It has up to 64 Kbytes of Flash memory and 12 Kbytes of SRAM.
- What are the key analog peripherals of the STM32F303R8T6?
The key analog peripherals include up to two fast 12-bit ADCs, three 12-bit DAC channels, three ultra-fast rail-to-rail analog comparators, and one operational amplifier.
- What communication interfaces are available on the STM32F303R8T6?
The available communication interfaces include CAN, SPI, I2C, and up to three USARTs.
- Does the STM32F303R8T6 support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes for low-power operation.
- What is the temperature range for the STM32F303R8T6?
The temperature range is –40 to +85 °C and –40 to +105 °C.
- What is the voltage range for the STM32F303R8T6?
The voltage range is 2.0 to 3.6 V.
- Does the STM32F303R8T6 support capacitive sensing?
Yes, it supports up to 18 capacitive sensing channels.
- What debugging capabilities does the STM32F303R8T6 offer?
The debugging capabilities include serial wire debug (SWD) and JTAG.
