Overview
The STM32F303RCT7 is a member of the STM32F303xB/STM32F303xC family of microcontrollers produced by STMicroelectronics. This device is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, which operates at a frequency of up to 72 MHz and 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, with hardware parity check implemented on the first 16 Kbytes of SRAM.
The STM32F303RCT7 offers a comprehensive set of peripherals and interfaces, including multiple ADCs, DACs, operational amplifiers, comparators, timers, and communication interfaces such as I2C, SPI, USART, UART, CAN, and USB. It also supports low-power modes and operates in a temperature range of -40 to +85 °C or -40 to +105 °C from a 2.0 to 3.6 V power supply.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max) |
| Flash Memory | Up to 256 Kbytes |
| SRAM | Up to 40 Kbytes with HW parity check on the first 16 Kbytes |
| ADCs | Four 12-bit ADCs (5 Msps), up to 39 channels |
| DACs | Two 12-bit DAC channels |
| Operational Amplifiers | Four operational amplifiers |
| Comparators | Seven fast rail-to-rail analog comparators |
| 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 |
| Operating Temperature | -40 to +85 °C or -40 to +105 °C |
| Package | LQFP 64 10x10x1.4 mm |
| I/Os | Up to 87 fast I/Os, with 52 high-current I/Os |
Key Features
- High-performance Arm® Cortex®-M4 32-bit CPU with FPU, operating at up to 72 MHz.
- High-speed 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.
- Multiple ADCs, DACs, operational amplifiers, and comparators.
- Advanced communication interfaces: I2C, SPI, USART, UART, CAN, and USB.
- Low-power modes: Sleep, Stop, and Standby.
- Support for capacitive sensing channels and touchkey, linear, and rotary touch sensors.
- Integrated trace macrocell (ETM) and serial wire debug (SWD).
- 96-bit unique ID.
Applications
The STM32F303RCT7 is suitable for a wide range of applications due to its versatile set of peripherals and interfaces. Some key applications include:
- Industrial automation and control systems.
- Medical devices requiring precise analog and digital signal processing.
- Automotive systems, including motor control and sensor interfaces.
- Consumer electronics, such as audio and video processing devices.
- IoT devices requiring low power consumption and advanced communication capabilities.
Q & A
- What is the maximum clock frequency of the STM32F303RCT7?
The maximum clock frequency is up to 72 MHz.
- How much Flash memory does the STM32F303RCT7 have?
The STM32F303RCT7 has up to 256 Kbytes of Flash memory.
- What types of ADCs are available on the STM32F303RCT7?
The device features four 12-bit ADCs with up to 39 channels.
- Does the STM32F303RCT7 support low-power modes?
Yes, it supports Sleep, Stop, and Standby low-power modes.
- What communication interfaces are available on the STM32F303RCT7?
The device includes I2C, SPI, USART, UART, CAN, and USB interfaces.
- What is the operating temperature range of the STM32F303RCT7?
The operating temperature range is -40 to +85 °C or -40 to +105 °C.
- How many I/Os does the STM32F303RCT7 have?
The device has up to 87 fast I/Os, with 52 high-current I/Os.
- Does the STM32F303RCT7 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What is the package type of the STM32F303RCT7?
The package type is LQFP 64 10x10x1.4 mm.
- Is the STM32F303RCT7 RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
