Overview
The STM32F303CBT7 is a high-performance 32-bit microcontroller from STMicroelectronics, part of the STM32F3 series. It is based on the Arm® Cortex®-M4 32-bit RISC core with a floating-point unit (FPU), operating at a frequency of up to 72 MHz. This microcontroller integrates a memory protection unit (MPU) and an embedded trace macrocell (ETM), making it suitable for a wide range of applications requiring high computational power and advanced peripherals.
The device features high-speed embedded memories, including up to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM. It also includes an extensive range of enhanced I/Os and peripherals connected to two APB buses, enabling versatile and efficient system design.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M4 32-bit CPU with FPU (up to 72 MHz) |
| Memory | Up to 256 Kbytes of Flash memory, up to 40 Kbytes of SRAM |
| ADCs | Up to four fast 12-bit ADCs (5 Msps) |
| 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 |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | -40 to +85 °C and -40 to +105 °C |
| Package | 48-pin LQFP |
Key Features
- High-performance Arm® Cortex®-M4 32-bit CPU with FPU, operating at up to 72 MHz.
- Embedded memories: up to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses.
- Up to four fast 12-bit ADCs (5 Msps), seven comparators, and four operational amplifiers.
- Up to two 12-bit DAC channels and a low-power RTC.
- Multiple timers: up to five general-purpose 16-bit timers, one general-purpose 32-bit timer, and two timers dedicated to motor control.
- Advanced communication interfaces: up to two I2Cs, up to three SPIs (with multiplexed full-duplex I2S), three USARTs, up to two UARTs, CAN, and USB.
- Comprehensive set of power-saving modes: Sleep, Stop, and Standby.
- Operating temperature range: -40 to +85 °C and -40 to +105 °C.
Applications
The STM32F303CBT7 is versatile and can be used in a variety of applications, including:
- Industrial control systems: Due to its advanced timers and motor control capabilities, it is suitable for motor control and industrial automation.
- Medical devices: The high precision of its ADCs and DACs makes it suitable for medical equipment requiring accurate analog-to-digital and digital-to-analog conversions.
- Aerospace and defense: Its robust temperature range and reliability make it a candidate for aerospace and defense applications.
- Consumer electronics: The device's low-power modes and advanced communication interfaces make it suitable for battery-powered consumer devices.
- Automotive systems: It can be used in automotive applications due to its CAN interface and robust operating conditions.
Q & A
- What is the core architecture of the STM32F303CBT7?
The STM32F303CBT7 is based on the Arm® Cortex®-M4 32-bit RISC core with FPU, operating at up to 72 MHz.
- What is the memory capacity of the STM32F303CBT7?
The device features up to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM.
- What types of ADCs are available on the STM32F303CBT7?
The device includes up to four fast 12-bit ADCs with a sampling rate of 5 Msps.
- What communication interfaces does the STM32F303CBT7 support?
The device supports up to two I2Cs, up to three SPIs, three USARTs, up to two UARTs, CAN, and USB.
- What is the operating temperature range of the STM32F303CBT7?
The device operates in the -40 to +85 °C and -40 to +105 °C temperature ranges.
- What power-saving modes are available on the STM32F303CBT7?
The device features Sleep, Stop, and Standby power-saving modes.
- What is the package type of the STM32F303CBT7?
The device is available in a 48-pin LQFP package.
- Does the STM32F303CBT7 support motor control?
Yes, the device includes two timers dedicated to motor control and advanced motor control timers.
- Can the STM32F303CBT7 be used in low-power applications?
Yes, the device's comprehensive set of power-saving modes makes it suitable for low-power applications.
- What is the voltage range for the STM32F303CBT7?
The device operates from a 2.0 to 3.6 V power supply.
- Does the STM32F303CBT7 have any unique identifiers?
Yes, the device features a 96-bit unique ID.
