×

STM32G0B1CBT6 Detailed explanation of pin function specifications and circuit principle instructions (2)

seekicc seekicc Posted in2025-03-23 01:00:32 Views35 Comments0

Take the sofaComment

STM32G0B1CBT6 Detailed explanation of pin function specifications and circuit principle instructions

The part number "STM32G0B1CBT6" belongs to the STMicroelectronics family of microcontrollers, specifically within the STM32G0 series. It is based on the ARM Cortex-M0+ core, designed for low-power and cost-sensitive applications.

Package:

The "STM32G0B1CBT6" is available in the LQFP-48 package, which refers to a 48-pin LQFP (Low-Profile Quad Flat Package). This type of package typically has leads on all four sides, providing ease of soldering in applications like surface-mount technology (SMT).

Pinout Table:

Below is a comprehensive list of the pin functions for the STM32G0B1CBT6 in the LQFP-48 package. Since this part has 48 pins, the pinout will describe each pin in detail, including its function, direction, and any special characteristics.

Pin Number Pin Name Pin Function Description 1 PA13 SWDIO (Serial Wire Debug Data Input/Output) - used for debugging purposes. 2 PA14 SWCLK (Serial Wire Clock ) - used for serial wire debugging. 3 PA15 JTDI (JTAG Data Input) - JTAG interface for debugging. 4 PB3 BOOT0 - used to select the boot source during system startup. 5 PB4 N/C (No connection) - not internally connected. 6 PB5 SPI1_SCK (SPI1 Serial Clock) - clock signal for SPI communication. 7 PB6 SPI1_MISO (SPI1 Master In Slave Out) - data input line for SPI. 8 PB7 SPI1_MOSI (SPI1 Master Out Slave In) - data output line for SPI. 9 PA0 ADC1_IN0 (ADC Input Channel 0) - analog input to ADC. 10 PA1 ADC1_IN1 (ADC Input Channel 1) - analog input to ADC. 11 PA2 USART2_TX (USART2 Transmit Data) - data transmit line for UART. 12 PA3 USART2_RX (USART2 Receive Data) - data receive line for UART. 13 PA4 SPI1_NSS (SPI1 Chip Select) - chip select signal for SPI. 14 PA5 SPI1_SCK (SPI1 Serial Clock) - clock signal for SPI communication. 15 PA6 USART1_RX (USART1 Receive Data) - data receive line for UART. 16 PA7 USART1_TX (USART1 Transmit Data) - data transmit line for UART. 17 PB0 SPI2_NSS (SPI2 Chip Select) - chip select signal for SPI2. 18 PB1 SPI2_SCK (SPI2 Serial Clock) - clock signal for SPI2 communication. 19 PB2 SPI2_MISO (SPI2 Master In Slave Out) - data input line for SPI2. 20 PC13 TAMPER (Tamper Detection) - input for tamper detection in RTC. 21 PC14 OSC32_IN (32.768 kHz Crystal Oscillator Input) - external oscillator input. 22 PC15 OSC32_OUT (32.768 kHz Crystal Oscillator Output) - external oscillator output. 23 PA8 MCO (Microcontroller Clock Output) - outputs a clock signal. 24 PA9 USART1_TX (USART1 Transmit Data) - data transmit line for UART1. 25 PA10 USART1_RX (USART1 Receive Data) - data receive line for UART1. 26 PA11 SWDIO (Serial Wire Debug Data Input/Output) - debugging data. 27 PA12 SWCLK (Serial Wire Clock) - debugging clock. 28 PB8 I2C1_SCL (I2C1 Clock Line) - clock signal for I2C communication. 29 PB9 I2C1_SDA (I2C1 Data Line) - data line for I2C communication. 30 PC0 ADC1_IN10 (ADC Input Channel 10) - analog input to ADC. 31 PC1 ADC1_IN11 (ADC Input Channel 11) - analog input to ADC. 32 PC2 ADC1_IN12 (ADC Input Channel 12) - analog input to ADC. 33 PC3 ADC1_IN13 (ADC Input Channel 13) - analog input to ADC. 34 PC4 ADC1_IN14 (ADC Input Channel 14) - analog input to ADC. 35 PC5 ADC1_IN15 (ADC Input Channel 15) - analog input to ADC. 36 PA4 EXTI4 (External Interrupt) - external interrupt line. 37 PA5 EXTI5 (External Interrupt) - external interrupt line. 38 PA6 EXTI6 (External Interrupt) - external interrupt line. 39 PA7 EXTI7 (External Interrupt) - external interrupt line. 40 PB0 EXTI8 (External Interrupt) - external interrupt line. 41 PB1 EXTI9 (External Interrupt) - external interrupt line. 42 PB2 EXTI10 (External Interrupt) - external interrupt line. 43 PB3 EXTI11 (External Interrupt) - external interrupt line. 44 PB4 EXTI12 (External Interrupt) - external interrupt line. 45 PB5 EXTI13 (External Interrupt) - external interrupt line. 46 PB6 EXTI14 (External Interrupt) - external interrupt line. 47 PB7 EXTI15 (External Interrupt) - external interrupt line. 48 VSS Ground - power ground pin for the device.

Pin Function FAQ:

Q1: What is the function of the pin PA13 on STM32G0B1CBT6?

A1: PA13 is used as SWDIO (Serial Wire Debug Data Input/Output), which is part of the debugging interface for communication with the microcontroller during development.

Q2: Can PA14 be used for other purposes besides SWCLK?

A2: No, PA14 is specifically used as SWCLK (Serial Wire Clock) for the debugging interface.

Q3: What is the function of the pin PA0 on the STM32G0B1CBT6?

A3: PA0 is used as an ADC1_IN0 (ADC Input Channel 0), which is an analog input for the ADC (Analog-to-Digital Converter).

Q4: How can the BOOT0 pin be used?

A4: PB3 is the BOOT0 pin, which determines the boot source when the microcontroller is powered on. By default, it is used for internal flash memory or external sources.

Q5: What is the purpose of pin PA7?

A5: PA7 is used as USART1_TX (USART1 Transmit Data), which transmits data over the UART communication interface.

Q6: Can PA6 be used for both USART1_RX and other functions?

A6: PA6 is primarily used as USART1_RX (USART1 Receive Data), but can be configured for other functions through software.

Q7: What does the N/C pin represent in this package?

A7: The N/C pin on PB4 is a "No Connection" pin, meaning it has no internal connection and should not be used.

Q8: What is the function of PB5?

A8: PB5 is used for SPI1_MISO (SPI1 Master In Slave Out), which is the data input line for SPI communication.

Q9: How do I configure PA1 for ADC purposes?

A9: PA1 is used as ADC1_IN1 (ADC Input Channel 1), which is another analog input for the ADC.

Q10: Can pin PA5 be used for other interfaces?

A10: Yes, PA5 can also be configured as a clock signal for SPI1_SCK (SPI1 Serial Clock), in addition to being used for other functions.

Q11: What is the function of pin PB0?

A11: PB0 is used for SPI2_NSS (SPI2 Chip Select), a control signal used in SPI communication.

Q12: Can PA3 be used as both USART2_RX and SPI functions?

A12: PA3 can indeed be used as USART2_RX for UART communication, but it can also be configured for alternate functions through software.

Q13: What is the role of pin PC13?

A13: PC13 serves as the TAMPER input, which can detect tamper events for security applications.

Q14: What is the significance of pins PC14 and PC15?

A14: PC14 and PC15 are used for the external 32.768 kHz crystal oscillator, with OSC32IN and OSC32OUT for low-power applications.

Q15: Can I use PA8 for other applications besides MCO?

A15: No, PA8 is specifically used as the MCO (Microcontroller Clock Output), outputting a system clock.

Q16: Is pin PB8 dedicated to I2C?

A16: Yes, PB8 is dedicated as I2C1_SCL, the clock line for the I2C communication interface.

Q17: How do I configure pin PB9 for I2C?

A17: PB9 is the I2C1_SDA (Data Line) for I2C, used to carry data in I2C communication.

Q18: What is the function of pins PC4 and PC5?

A18: PC4 and PC5 are ADC1IN14 and ADC1IN15, respectively, serving as analog inputs to the ADC.

Q19: Can pin PA4 be used for both EXTI and other functions?

A19: Yes, PA4 can be configured as an EXTI4 (External Interrupt) line or for other alternate functions.

Q20: Is PA5 useful for external interrupts?

A20: Yes, PA5 can be used for EXTI5, serving as an external interrupt input line.

This completes the detailed explanation of the STM32G0B1CBT6 pinout and its corresponding functionalities.

seekicc

Anonymous