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STM32F051R8T6 Detailed explanation of pin function specifications and circuit principle instructions

seekcpu seekcpu Posted in2025-03-20 03:46:29 Views28 Comments0

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STM32F051R8T6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32F051R8T6 is a microcontroller from STMicroelectronics, part of their STM32 family. It is based on the ARM Cortex-M0 core and is typically used for applications requiring low Power consumption and moderate processing capability. Let's go step-by-step in addressing your request.

1. Brand of the Microcontroller:

Brand: STMicroelectronics

2. Package Type and Pin Count:

The STM32F051R8T6 is housed in a LQFP-48 (Low-Profile Quad Flat Package) with 48 pins. The number "R8" in the part number indicates the flash Memory size, which is 64 KB, and the T6 suffix indicates the package type (LQFP-48).

3. Pin Function Specifications:

Below is the full pinout specification for the STM32F051R8T6 in LQFP-48 package. This table lists all 48 pins and their functions.

Pin Number Pin Name Function 1 VSS Ground (GND) 2 VDDA Analog Power Supply (VDD for analog parts) 3 VSSA Analog Ground 4 PA13 SWDIO (Serial Wire Debug Data Input/Output) 5 PA14 SWCLK (Serial Wire Debug Clock ) 6 PA15 NJTRST (JTAG Reset) or GPIO 7 PB3 SPI1 SCK, I2SCK, TIM2CH2, USART2_TX, or GPIO 8 PB4 SPI1 MISO, I2SSD, TIM3CH1, USART2_RX, or GPIO 9 PB5 SPI1 MOSI, I2SWS, TIM3CH2, or GPIO 10 PB6 I2C1SCL, TIM4CH1, USART1_TX, or GPIO 11 PB7 I2C1SDA, TIM4CH2, USART1_RX, or GPIO 12 PC13 User Button or GPIO (typically used for an external interrupt or reset) 13 PC14 OSC32_IN (External 32.768 kHz oscillator input) 14 PC15 OSC32_OUT (External 32.768 kHz oscillator output) 15 PA0 ADCIN0, TIM2CH1, or GPIO 16 PA1 ADCIN1, TIM2CH2, or GPIO 17 PA2 ADCIN2, TIM2CH3, USART2_TX, or GPIO 18 PA3 ADCIN3, TIM2CH4, USART2_RX, or GPIO 19 PA4 SPI1NSS, I2SCK, TIM2_CH1, or GPIO 20 PA5 SPI1 SCK, I2SWS, TIM2CH2, or GPIO 21 PA6 SPI1 MISO, I2SSD, TIM2CH3, or GPIO 22 PA7 SPI1 MOSI, I2SCK, TIM2CH4, or GPIO 23 PB0 TIM3CH3, USART1TX, or GPIO 24 PB1 TIM3CH4, USART1RX, or GPIO 25 PB8 I2C1SCL, USART1TX, or GPIO 26 PB9 I2C1SDA, USART1RX, or GPIO 27 PC0 ADCIN10, TIM8CH1, or GPIO 28 PC1 ADCIN11, TIM8CH2, or GPIO 29 PC2 ADCIN12, TIM8CH3, or GPIO 30 PC3 ADCIN13, TIM8CH4, or GPIO 31 PC4 ADCIN14, TIM8BKIN, or GPIO 32 PC5 ADCIN15, TIM8CH1N, or GPIO 33 PD0 External Interrupt, or GPIO 34 PD1 External Interrupt, or GPIO 35 PD2 External Interrupt, or GPIO 36 PD3 External Interrupt, or GPIO 37 PD4 External Interrupt, or GPIO 38 PD5 External Interrupt, or GPIO 39 PD6 External Interrupt, or GPIO 40 PD7 External Interrupt, or GPIO 41 PD8 External Interrupt, or GPIO 42 PD9 External Interrupt, or GPIO 43 PD10 External Interrupt, or GPIO 44 PD11 External Interrupt, or GPIO 45 PD12 External Interrupt, or GPIO 46 PD13 External Interrupt, or GPIO 47 PD14 External Interrupt, or GPIO 48 PD15 External Interrupt, or GPIO

4. 20 FAQ Questions:

Q1: What is the maximum operating voltage for STM32F051R8T6? A1: The STM32F051R8T6 operates within the voltage range of 2.4V to 3.6V for VDD.

Q2: Can I use STM32F051R8T6 for motor control applications? A2: Yes, STM32F051R8T6 is equipped with timers and PWM functionality suitable for motor control applications.

Q3: Does STM32F051R8T6 have USB capabilities? A3: No, STM32F051R8T6 does not feature USB functionality.

Q4: Can I run the STM32F051R8T6 at full speed (48 MHz)? A4: Yes, STM32F051R8T6 has a maximum clock frequency of 48 MHz.

Q5: How many ADC channels does the STM32F051R8T6 support? A5: STM32F051R8T6 supports up to 16 channels on its 12-bit ADC.

Q6: What is the default communication protocol for debugging? A6: The default communication protocol for debugging is SWD (Serial Wire Debug).

Q7: Can I use all 48 pins for general-purpose I/O? A7: Some pins have special functions (e.g., analog inputs or communication interface s), so not all 48 pins are available for GPIO.

Q8: What type of oscillator is supported by STM32F051R8T6? A8: STM32F051R8T6 supports an external high-speed oscillator (HSE) and a low-speed external oscillator (LSE).

Q9: How many PWM outputs can be used on STM32F051R8T6? A9: STM32F051R8T6 can generate up to 4 PWM outputs via its timers.

Q10: Does STM32F051R8T6 support I2C communication? A10: Yes, STM32F051R8T6 supports I2C communication with a maximum of 2 I2C interfaces.

Q11: Can STM32F051R8T6 be used in battery-powered applications? A11: Yes, STM32F051R8T6 has low power modes such as sleep and standby, making it suitable for battery-powered applications.

Q12: Does STM32F051R8T6 have an integrated EEPROM? A12: No, STM32F051R8T6 does not have integrated EEPROM, but it does have flash memory for data storage.

Q13: How many GPIO pins can be configured for interrupts? A13: Up to 16 pins on STM32F051R8T6 can be configured as interrupt sources.

Q14: Is it possible to use STM32F051R8T6 in industrial environments? A14: Yes, STM32F051R8T6 is rated for industrial environments, with extended temperature ranges available in some variants.

Q15: What is the purpose of the PA13 and PA14 pins on STM32F051R8T6? A15: PA13 and PA14 are used for the SWD interface, enabling debugging and programming of the microcontroller.

Q16: How many timers are available in STM32F051R8T6? A16: STM32F051R8T6 includes several timers such as TIM2, TIM3, and TIM4, supporting basic, advanced, and PWM functionalities.

Q17: Can STM32F051R8T6 handle DMA? A17: Yes, STM32F051R8T6 has DMA (Direct Memory Access ) support for peripherals like ADC and USART.

Q18: How much flash memory is available in STM32F051R8T6? A18: STM32F051R8T6 has 64 KB of flash memory for program storage.

Q19: Does STM32F051R8T6 support SPI communication? A19: Yes, STM32F051R8T6 supports SPI communication with multiple SPI interfaces.

Q20: What is the default clock source for STM32F051R8T6? A20: By default, STM32F051R8T6 uses its internal 8 MHz RC oscillator as the clock source, which can be switched to an external oscillator for higher performance.

I hope this detailed explanation and FAQ help clarify your request! Let me know if you need further information.

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