Overview
The STM32F303RDT7 is a microcontroller from the STM32F303xD/E family, produced by STMicroelectronics. It is based on the high-performance ARM® Cortex®-M4 32-bit RISC core, operating at a frequency of 72 MHz and featuring a floating point unit (FPU), a memory protection unit (MPU), and an embedded trace macrocell (ETM). This microcontroller is designed for high-speed embedded applications, incorporating up to 512 Kbytes of Flash memory and 80 Kbytes of SRAM, along with a flexible memory controller (FSMC) for static memories. The device offers a wide range of peripherals and communication interfaces, making it suitable for various industrial and consumer applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M4 32-bit CPU with 72 MHz FPU, single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instruction and MPU |
| Operating Voltage | 2.0 V to 3.6 V |
| Flash Memory | Up to 512 Kbytes |
| SRAM | 64 Kbytes with HW parity check on the first 32 Kbytes, 16 Kbytes of SRAM on instruction and data bus (CCM) |
| Clock Frequency | 72 MHz |
| ADCs | Four 12-bit ADCs, 0.20 μs conversion time, up to 40 channels |
| DACs | Two 12-bit DAC channels |
| Comparators | Seven ultra-fast rail-to-rail analog comparators |
| Operational Amplifiers | Four operational amplifiers in PGA mode |
| Timers | Up to 14 timers, including one 32-bit timer and multiple 16-bit timers |
| Communication Interfaces | CAN, three I2C, up to four SPI, up to five USART/UART, USB 2.0 full-speed |
| Package | LQFP 64 (10x10x1.4 mm) |
| Operating Temperature | -40°C to +85°C or -40°C to +105°C |
Key Features
- High-performance ARM® Cortex®-M4 32-bit CPU with FPU, single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instruction and MPU.
- Up to 512 Kbytes of Flash memory and 80 Kbytes of SRAM, with HW parity check and routine booster.
- Flexible memory controller (FSMC) for static memories.
- Four fast 12-bit ADCs, two 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and four operational amplifiers.
- Up to 14 timers, including advanced-control timers and watchdog timers.
- Calendar RTC with alarm and periodic wakeup from Stop/Standby.
- Extensive communication interfaces: CAN, I2C, SPI, USART/UART, and USB 2.0 full-speed.
- Low-power modes: Sleep, Stop, and Standby.
- VBAT supply for RTC and backup registers.
- Up to 115 fast I/Os, all mappable on external interrupt vectors.
- Support for touchkey, linear, and rotary touch sensors.
Applications
- Industrial automation and control systems.
- Consumer electronics, such as audio and video devices.
- Medical devices requiring high precision and low power consumption.
- Automotive systems, including motor control and sensor interfaces.
- IoT devices and smart home applications.
- Robotics and mechatronics projects.
Q & A
- What is the core architecture of the STM32F303RDT7?
The STM32F303RDT7 is based on the ARM® Cortex®-M4 32-bit RISC core with a floating point unit (FPU), operating at 72 MHz.
- What is the memory configuration of the STM32F303RDT7?
The device has up to 512 Kbytes of Flash memory and 80 Kbytes of SRAM, with additional 16 Kbytes of SRAM on the instruction and data bus (CCM).
- What are the key analog peripherals of the STM32F303RDT7?
The device features four 12-bit ADCs, two 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and four operational amplifiers.
- What communication interfaces are available on the STM32F303RDT7?
The device includes CAN, three I2C, up to four SPI, up to five USART/UART, and USB 2.0 full-speed interfaces.
- What are the power-saving modes available on the STM32F303RDT7?
The device supports low-power modes such as Sleep, Stop, and Standby, along with VBAT supply for RTC and backup registers.
- What is the operating temperature range of the STM32F303RDT7?
The device operates in the -40°C to +85°C or -40°C to +105°C temperature range.
- What is the package type of the STM32F303RDT7?
The device is available in an LQFP 64 (10x10x1.4 mm) package.
- Does the STM32F303RDT7 support touch sensing?
Yes, the device supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What are the key timer features of the STM32F303RDT7?
The device includes up to 14 timers, including one 32-bit timer and multiple 16-bit timers with various functionalities like IC/OC/PWM and deadtime generation.
- Is the STM32F303RDT7 suitable for motor control applications?
Yes, the device features timers dedicated to motor control and advanced motor control timers.
