Overview
The STM32F303VET7, part of the STM32F303xD/E family from STMicroelectronics, is a high-performance microcontroller based on the ARM® Cortex®-M4 32-bit RISC core. This microcontroller operates at a frequency of 72 MHz and includes a floating-point unit (FPU), a memory protection unit (MPU), and an embedded trace macrocell (ETM). It is designed to offer a balance of high processing power, low power consumption, and a wide range of peripherals, making it suitable for various applications requiring advanced control and communication capabilities.
Key Specifications
| Specification | Details |
|---|---|
| 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 |
| Memories | Up to 512 Kbytes of Flash memory, 80 Kbytes of SRAM, 16 Kbytes of SRAM on instruction and data bus (CCM) |
| Temperature Range | -40°C to +85°C and -40°C to +105°C |
| ADCs | Four 12-bit ADCs (5 Msps), up to 40 channels |
| DACs | Two 12-bit DAC channels |
| Comparators | Seven ultra-fast rail-to-rail analog comparators |
| Operational Amplifiers | Four operational amplifiers |
| Timers | Up to 14 timers, including one 32-bit timer and multiple 16-bit timers |
| Communication Interfaces | Up to three I²Cs, up to four SPIs, three USARTs, up to two UARTs, CAN, and USB 2.0 full-speed interface |
| Package Options | LQFP 100 14x14x1.4 mm, UFBGA 100 7x7x0.6 P 0.5 mm, WLCSP 100 4.8x5.1x0.6 P 0.4 mm |
Key Features
- High-performance ARM® Cortex®-M4 32-bit CPU with FPU, operating at 72 MHz.
- Extensive range of enhanced I/Os and peripherals connected to AHB and two APB buses.
- High-speed embedded memories: up to 512 Kbytes of Flash memory and 80 Kbytes of SRAM.
- Flexible memory controller (FSMC) for static memories (SRAM, PSRAM, NOR, and NAND).
- Advanced analog peripherals: four 12-bit ADCs, two 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and four operational amplifiers.
- Comprehensive set of power-saving modes: Sleep, Stop, and Standby.
- Advanced communication interfaces: I²C, SPI, USART, UART, CAN, and USB 2.0 full-speed interface.
- Support for capacitive sensing channels and touchkey, linear, and rotary touch sensors.
- Low-power RTC with calendar and alarm functions.
Applications
- Industrial control systems requiring advanced motor control and high precision analog measurements.
- Medical devices that need high processing power and low power consumption.
- Automotive systems, including infotainment and driver assistance systems.
- Consumer electronics such as audio equipment and home appliances.
- IoT devices that require robust communication interfaces and low power consumption.
Q & A
- What is the core architecture of the STM32F303VET7?
The STM32F303VET7 is based on the ARM® Cortex®-M4 32-bit RISC core with an FPU, operating at 72 MHz.
- What are the memory options available on the STM32F303VET7?
The device offers up to 512 Kbytes of Flash memory and 80 Kbytes of SRAM, along with 16 Kbytes of SRAM on the instruction and data bus (CCM).
- What is the operating voltage range of the STM32F303VET7?
The operating voltage range is from 2.0 V to 3.6 V.
- What types of communication interfaces are available on the STM32F303VET7?
The device features I²C, SPI, USART, UART, CAN, and a USB 2.0 full-speed interface.
- Does the STM32F303VET7 support low-power modes?
Yes, it supports Sleep, Stop, and Standby low-power modes.
- What are the temperature ranges for the STM32F303VET7?
The device operates in the -40°C to +85°C and -40°C to +105°C temperature ranges.
- What are the package options available for the STM32F303VET7?
The device is available in LQFP 100, UFBGA 100, and WLCSP 100 packages.
- Does the STM32F303VET7 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the role of the FPU in the STM32F303VET7?
The FPU (Floating-Point Unit) enhances the processing capabilities by enabling single-cycle multiplication and hardware division, and supports DSP instructions.
- Are there any specific peripherals for motor control in the STM32F303VET7?
Yes, the device includes timers dedicated to motor control, such as advanced-control timers with PWM channels, deadtime generation, and emergency stop.
- Does the STM32F303VET7 have a real-time clock (RTC)?
Yes, it features a low-power RTC with calendar and alarm functions.
