Overview
The STM32F303CBT7TR is a microcontroller from the STM32F303xB/STM32F303xC family, produced by STMicroelectronics. This device is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 72 MHz. It includes a floating point unit (FPU), a memory protection unit (MPU), and an embedded trace macrocell (ETM). The microcontroller features high-speed embedded memories, including up to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM, along with a comprehensive set of peripherals and communication interfaces.
The STM32F303CBT7TR is designed for a wide range of applications, particularly those requiring high performance, low power consumption, and advanced peripherals. It operates in the -40 to +105 °C temperature range and is powered by a 2.0 to 3.6 V supply.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max) |
| Memories | Up to 256 Kbytes of Flash memory, up to 40 Kbytes of SRAM |
| Operating Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40 to +105 °C |
| ADCs | Up to four fast 12-bit ADCs (5 Msps), up to 39 channels |
| DACs | Up to two 12-bit DAC channels |
| Comparators | Seven fast rail-to-rail analog comparators |
| Operational Amplifiers | Four operational amplifiers |
| Timers | Up to five general-purpose 16-bit timers, one general-purpose 32-bit timer, and two timers dedicated to motor control |
| Communication Interfaces | Up to two I2Cs, up to three SPIs, three USARTs, up to two UARTs, CAN, and USB 2.0 full speed interface |
| Package | LQFP 48 7x7x1.4 mm |
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.
- Comprehensive set of power-saving modes: Sleep, Stop, and Standby.
- Advanced communication interfaces including CAN, USB 2.0, I2C, SPI, and USART/UART.
- Extensive range of peripherals such as ADCs, DACs, comparators, operational amplifiers, and timers.
- Support for capacitive sensing channels and touchkey, linear, and rotary touch sensors.
- Internal oscillators including a 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, internal 8 MHz RC with x 16 PLL option, and internal 40 kHz oscillator.
- 12-channel DMA controller and interconnect matrix.
- Low-power RTC with alarm and periodic wakeup from Stop/Standby.
Applications
- Industrial automation and control systems.
- Medical devices requiring high precision and low power consumption.
- Aerospace and defense applications where reliability and performance are critical.
- Consumer electronics such as audio devices and smart home appliances.
- Automotive systems, including motor control and sensor interfaces.
- IoT devices and smart sensors.
Q & A
- What is the core architecture of the STM32F303CBT7TR?
The STM32F303CBT7TR is based on the Arm® Cortex®-M4 32-bit RISC core with FPU.
- What is the maximum operating frequency of the STM32F303CBT7TR?
The maximum operating frequency is up to 72 MHz.
- What types of memories are available on the STM32F303CBT7TR?
It features up to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM.
- What is the operating voltage range of the STM32F303CBT7TR?
The operating voltage range is from 2.0 to 3.6 V.
- What are the key communication interfaces available on the STM32F303CBT7TR?
The device includes up to two I2Cs, up to three SPIs, three USARTs, up to two UARTs, CAN, and USB 2.0 full speed interface.
- What types of timers are available on the STM32F303CBT7TR?
It includes up to five general-purpose 16-bit timers, one general-purpose 32-bit timer, and two timers dedicated to motor control.
- Does the STM32F303CBT7TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the package type of the STM32F303CBT7TR?
The package type is LQFP 48 7x7x1.4 mm.
- What are the power-saving modes available on the STM32F303CBT7TR?
The device features Sleep, Stop, and Standby power-saving modes.
- Is the STM32F303CBT7TR RoHS compliant?
Yes, the STM32F303CBT7TR is RoHS compliant with an Ecopack2 grade.
