STM32F303RBT6 Detailed explanation of pin function specifications and circuit principle instructions

The "STM32F303RBT6" is a microcontroller manufactured by STMicroelectronics. It belongs to the STM32F3 series of ARM Cortex-M4 based MCUs. The STM32F303RBT6 has a 64-pin LQFP (Low-profile Quad Flat Package) and is designed to cater to a wide range of embedded applications.

Package and Pinout Information:

The STM32F303RBT6 features a 64-pin LQFP package. Below is a detailed description of the pin functions, the pinout, and common FAQs associated with this microcontroller. The information is provided in a structured format, as you requested:

Pinout of STM32F303RBT6 (64-pin LQFP)

Pin Number Pin Name Function Notes 1 VSS Ground Ground connection 2 VDD Power Supply Power supply pin 3 NRST Reset Active low reset 4 PA0 GPIO General Purpose I/O 5 PA1 GPIO General Purpose I/O 6 PA2 GPIO General Purpose I/O 7 PA3 GPIO General Purpose I/O 8 PA4 GPIO General Purpose I/O 9 PA5 GPIO, SPI1 General Purpose I/O or SPI1 SCK 10 PA6 GPIO, SPI1 General Purpose I/O or SPI1 MISO 11 PA7 GPIO, SPI1 General Purpose I/O or SPI1 MOSI 12 PB0 GPIO General Purpose I/O 13 PB1 GPIO General Purpose I/O 14 PB2 GPIO, SPI1 General Purpose I/O or SPI1 SCK 15 PB3 GPIO, SPI1 General Purpose I/O or SPI1 MISO 16 PB4 GPIO General Purpose I/O 17 PB5 GPIO General Purpose I/O 18 PB6 GPIO General Purpose I/O 19 PB7 GPIO General Purpose I/O 20 PC0 GPIO, ADC General Purpose I/O or ADC input 21 PC1 GPIO, ADC General Purpose I/O or ADC input 22 PC2 GPIO, ADC General Purpose I/O or ADC input 23 PC3 GPIO, ADC General Purpose I/O or ADC input 24 PC4 GPIO General Purpose I/O 25 PC5 GPIO General Purpose I/O 26 PD0 GPIO General Purpose I/O 27 PD1 GPIO General Purpose I/O 28 PD2 GPIO General Purpose I/O 29 PD3 GPIO General Purpose I/O 30 PD4 GPIO General Purpose I/O 31 PD5 GPIO General Purpose I/O 32 PD6 GPIO General Purpose I/O 33 PD7 GPIO General Purpose I/O 34 PE0 GPIO General Purpose I/O 35 PE1 GPIO General Purpose I/O 36 PE2 GPIO General Purpose I/O 37 PE3 GPIO General Purpose I/O 38 PE4 GPIO General Purpose I/O 39 PE5 GPIO General Purpose I/O 40 PE6 GPIO General Purpose I/O 41 PE7 GPIO General Purpose I/O 42 PF0 GPIO General Purpose I/O 43 PF1 GPIO General Purpose I/O 44 PF2 GPIO General Purpose I/O 45 PF3 GPIO General Purpose I/O 46 PF4 GPIO General Purpose I/O 47 PF5 GPIO General Purpose I/O 48 PF6 GPIO General Purpose I/O 49 PF7 GPIO General Purpose I/O 50 VREF+ Reference Voltage reference input 51 VREF- Ground Ground for reference 52 EXTI0 External Interrupt External interrupt input 53 EXTI1 External Interrupt External interrupt input 54 EXTI2 External Interrupt External interrupt input 55 EXTI3 External Interrupt External interrupt input 56 EXTI4 External Interrupt External interrupt input 57 SWDIO Serial Wire Debug Debug interface 58 SWCLK Serial Wire Debug Debug interface clock 59 I2C1_SDA I2C Bus I2C1 data line 60 I2C1_SCL I2C Bus I2C1 clock line 61 SPI1_MISO SPI SPI1 Master In Slave Out 62 SPI1_MOSI SPI SPI1 Master Out Slave In 63 SPI1_SCK SPI SPI1 clock line 64 PA15 GPIO General Purpose I/O

FAQs for STM32F303RBT6

What is the STM32F303RBT6 microcontroller used for? The STM32F303RBT6 is used for embedded systems in applications such as automotive, industrial control, consumer electronics, and more, thanks to its ARM Cortex-M4 core and peripherals. How many pins does the STM32F303RBT6 have? It has 64 pins in an LQFP package. Does the STM32F303RBT6 support SPI communication? Yes, it supports SPI communication through multiple SPI peripherals (SPI1). What are the ADC features of STM32F303RBT6? The STM32F303RBT6 supports a 12-bit ADC with up to 16 channels, suitable for analog signal conversion. Can the STM32F303RBT6 be used for Bluetooth communication? While the STM32F303RBT6 itself does not have integrated Bluetooth, it can interface with external Bluetooth module s via UART or SPI. How much flash Memory is available on the STM32F303RBT6? It has 512KB of Flash memory. How many I/O pins does the STM32F303RBT6 provide? The STM32F303RBT6 provides 51 general-purpose I/O pins. Is there a hardware CRC unit in STM32F303RBT6? Yes, it includes a hardware CRC (Cyclic Redundancy Check) unit for error detection. Does the STM32F303RBT6 support USB? Yes, it supports USB 2.0 full-speed.

What is the operating voltage for the STM32F303RBT6?

The operating voltage is between 2.0V and 3.6V.

Does STM32F303RBT6 have a built-in DAC?

Yes, it has a 12-bit DAC that can output analog signals.

What is the max clock speed of STM32F303RBT6?

The maximum clock speed is 72 MHz.

How many timers are available in STM32F303RBT6?

It has 4 general-purpose timers and 2 advanced-control timers.

Is the STM32F303RBT6 compatible with external memory?

Yes, it supports external SRAM and NOR/NAND Flash via the FSMC (Flexible Static Memory Controller).

Can STM32F303RBT6 handle PWM outputs?

Yes, it has several timers that can generate PWM outputs.

What are the power management features in STM32F303RBT6?

It includes several low-power modes like Sleep, Stop, and Standby.

Is the STM32F303RBT6 suitable for real-time applications?

Yes, it is suitable due to its ARM Cortex-M4 core with a hardware FPU and real-time capabilities.

Can the STM32F303RBT6 be used in motor control applications?

Yes, it can be used in motor control applications with its PWM outputs and timers.

What communication protocols does STM32F303RBT6 support?

It supports USART, SPI, I2C, and CAN communication protocols.

Does STM32F303RBT6 have integrated security features?

It does not have hardware encryption but offers basic security features like write protection for memory.

This is a thorough description of the STM32F303RBT6, covering its pin functions, FAQ, and other essential details for use in embedded systems.