Overview
The STM32F302VBT6TR is a microcontroller from the STM32F302xB/STM32F302xC family, produced by STMicroelectronics. It is based on the high-performance ARM® Cortex®-M4 32-bit RISC core with a floating point unit (FPU), operating at a frequency of up to 72 MHz. This microcontroller includes a memory protection unit (MPU) and an embedded trace macrocell (ETM). It features high-speed embedded memories, including up to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM, with hardware parity check on the first 16 Kbytes of SRAM.
The device offers a wide range of peripherals and interfaces, such as ADCs, DACs, comparators, operational amplifiers, timers, and advanced communication interfaces like I2C, SPI, USART, UART, CAN, and USB. It operates in a temperature range of -40 to +85 °C (or -40 to +105 °C for some models) from a 2.0 to 3.6 V power supply, and includes various power-saving modes for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M4 32-bit CPU with FPU (72 MHz max) |
| Flash Memory | 128 to 256 Kbytes |
| SRAM | Up to 40 Kbytes with HW parity check on the first 16 Kbytes |
| Voltage Range | 2.0 V to 3.6 V |
| Temperature Range | -40 to +85 °C (or -40 to +105 °C for some models) |
| ADCs | Up to two fast 12-bit ADCs (5 Msps), up to 17 channels |
| DAC | One 12-bit DAC channel |
| Comparators | Four fast rail-to-rail analog comparators |
| Operational Amplifiers | Two operational amplifiers |
| Timers | Up to 11 timers, including one 32-bit timer and several 16-bit timers |
| Communication Interfaces | Up to two I2Cs, up to three SPIs, three USARTs, up to two UARTs, CAN, and USB |
| I/Os | Up to 87 fast I/Os |
Key Features
- High-Performance Core: ARM® Cortex®-M4 32-bit CPU with FPU, operating at up to 72 MHz.
- Memory: 128 to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM.
- Analog Peripherals: Up to two fast 12-bit ADCs, one 12-bit DAC channel, four fast rail-to-rail analog comparators, and two operational amplifiers.
- Timers and Counters: Up to 11 timers, including one 32-bit timer and several 16-bit timers.
- Communication Interfaces: Up to two I2Cs, up to three SPIs, three USARTs, up to two UARTs, CAN, and USB.
- Power Management: Low-power modes (Sleep, Stop, and Standby) and VBAT supply for RTC and backup registers.
- Capacitive Sensing: Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- Debugging and Trace: Serial wire debug, Cortex®-M4 with FPU ETM, and JTAG.
Applications
The STM32F302VBT6TR microcontroller is versatile and can be used in a variety of applications, including:
- Industrial Automation: Motor control, power management, and industrial communication protocols.
- Medical Devices: Portable medical devices, diagnostic equipment, and medical imaging.
- Consumer Electronics: Smart home devices, audio equipment, and gaming consoles.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
- Internet of Things (IoT): IoT devices requiring low power consumption and advanced communication capabilities.
Q & A
- What is the core architecture of the STM32F302VBT6TR?
The core architecture is based on the ARM® Cortex®-M4 32-bit CPU with FPU, operating at up to 72 MHz.
- How much Flash and SRAM memory does the STM32F302VBT6TR have?
It has 128 to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM.
- What are the operating voltage and temperature ranges for the STM32F302VBT6TR?
The operating voltage range is 2.0 V to 3.6 V, and the temperature range is -40 to +85 °C (or -40 to +105 °C for some models).
- What types of analog peripherals are available on the STM32F302VBT6TR?
It includes up to two fast 12-bit ADCs, one 12-bit DAC channel, four fast rail-to-rail analog comparators, and two operational amplifiers.
- What communication interfaces are supported by the STM32F302VBT6TR?
It supports up to two I2Cs, up to three SPIs, three USARTs, up to two UARTs, CAN, and USB.
- Does the STM32F302VBT6TR have any power-saving features?
Yes, it includes low-power modes such as Sleep, Stop, and Standby, and a VBAT supply for RTC and backup registers.
- How many I/Os does the STM32F302VBT6TR have?
It has up to 87 fast I/Os.
- What is the purpose of the capacitive sensing channels on the STM32F302VBT6TR?
The capacitive sensing channels support touchkey, linear, and rotary touch sensors.
- What debugging and trace capabilities are available on the STM32F302VBT6TR?
It features serial wire debug, Cortex®-M4 with FPU ETM, and JTAG.
- In what types of applications can the STM32F302VBT6TR be used?
It can be used in industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
- Where can I find detailed specifications and datasheets for the STM32F302VBT6TR?
Detailed specifications and datasheets can be found on the STMicroelectronics official website and through distributors like Digi-Key.
