The STM8S103K3T6C is a microcontroller from STMicroelectronics, part of the STM8 family, which is a series of 8-bit microcontrollers designed for low- Power , cost-effective applications. Below is an explanation of its pin functions, including a detailed list of all pins, their functions, and FAQs.
Packaging and Pin Count:
Package Type: TSSOP (Thin Shrink Small Outline Package) Pin Count: 20 PinsPinout and Pin Function Description:
Pin Number Pin Name Function Description 1 VDD Power Supply (Positive Voltage) Provides the positive voltage to the microcontroller. Typically 3.3V or 5V depending on application. 2 VSS Ground (Negative Voltage) Ground connection for the microcontroller. 3 PA5 General-purpose I/O (GPIO), Analog Input (ADC), SPI, PWM, TIM2 Channel 1 Can serve as a general-purpose input/output, analog input for ADC, or SPI clock, or PWM output. 4 PA6 General-purpose I/O (GPIO), Analog Input (ADC), SPI, TIM2 Channel 2 Can be configured as GPIO, analog input for ADC, or SPI MISO line. 5 PA7 General-purpose I/O (GPIO), Analog Input (ADC), SPI, TIM2 Channel 3 Serves as GPIO, analog input for ADC, or SPI MOSI line. 6 PB0 General-purpose I/O (GPIO), UART, TIM3 Channel 1 This pin can function as GPIO or part of UART communication (TX), or timer PWM output. 7 PB1 General-purpose I/O (GPIO), UART, TIM3 Channel 2 Functions as GPIO, UART RX, or timer PWM output. 8 PB2 General-purpose I/O (GPIO), SPI, TIM3 Channel 3 Functions as GPIO, SPI SCK, or PWM signal output for timers. 9 PB3 General-purpose I/O (GPIO), SPI, I2C, TIM3 Channel 4 Can act as GPIO, SPI MISO line, or part of I2C bus. 10 PB4 General-purpose I/O (GPIO), Analog Input (ADC) This pin is a GPIO or ADC input pin. 11 PB5 General-purpose I/O (GPIO), Analog Input (ADC) Also serves as GPIO or ADC input pin. 12 PC13 General-purpose I/O (GPIO), External Interrupt GPIO pin with interrupt capability, can also be used to wake up the MCU from low-power mode. 13 PC14 Reset Pin This pin is used for resetting the microcontroller. 14 PC15 External Crystal Oscillator (if used) or General-purpose I/O (GPIO) Used for an external crystal oscillator or as a general-purpose GPIO. 15 PD0 General-purpose I/O (GPIO), UART, CAN Can serve as GPIO or UART TX, or CAN signal transmission. 16 PD1 General-purpose I/O (GPIO), UART, CAN Functions as GPIO or UART RX, or CAN signal reception. 17 PD2 General-purpose I/O (GPIO), Analog Input (ADC) GPIO pin with the option to be used as ADC input. 18 PD3 General-purpose I/O (GPIO), Analog Input (ADC) GPIO pin or ADC input. 19 PD4 General-purpose I/O (GPIO), Analog Input (ADC) GPIO or ADC input. 20 PD5 General-purpose I/O (GPIO), Analog Input (ADC) GPIO pin or ADC input.20 FAQs Related to STM8S103K3T6C
Q: What is the supply voltage for the STM8S103K3T6C? A: The STM8S103K3T6C can operate with a supply voltage between 2.95V and 5.5V, typically 3.3V or 5V.
Q: How many pins does the STM8S103K3T6C have? A: The STM8S103K3T6C has a total of 20 pins in the TSSOP package.
Q: Can the pins be used for general-purpose I/O? A: Yes, most of the pins can be configured for general-purpose I/O (GPIO) functions.
Q: What are the communication protocols supported by the STM8S103K3T6C? A: The STM8S103K3T6C supports SPI, UART, I2C, and CAN communication protocols.
Q: What is the maximum clock speed of the STM8S103K3T6C? A: The maximum clock speed for the STM8S103K3T6C is 16 MHz.
Q: What is the function of pin PC13? A: Pin PC13 is a GPIO pin with interrupt capability and can also be used to wake up the MCU from low-power mode.
Q: What are the analog input pins on this microcontroller? A: Pins PA5, PA6, PA7, PB4, PB5, PD2, PD3, PD4, and PD5 can be used as analog inputs for the ADC.
Q: Is it possible to use external components like a crystal oscillator with the STM8S103K3T6C? A: Yes, pin PC15 can be used for connecting an external crystal oscillator to the microcontroller.
Q: How can the STM8S103K3T6C be reset? A: Pin PC14 is the reset pin used for resetting the microcontroller.
Q: Can this microcontroller be used for PWM output? A: Yes, several pins such as PA5, PA6, PA7, PB0, and PB1 can be configured for PWM output.
Q: Is the STM8S103K3T6C capable of low-power operation? A: Yes, the STM8S103K3T6C features low-power modes such as Halt and Active-Standby modes.
Q: Does the STM8S103K3T6C support external interrupts? A: Yes, pin PC13 can be used to trigger external interrupts.
Q: What is the maximum current that can be supplied through the I/O pins? A: Each I/O pin can source or sink a maximum of 8mA of current.
Q: Can the STM8S103K3T6C be used in automotive applications? A: Yes, it can be used in automotive applications, but appropriate voltage levels and environmental conditions must be considered.
Q: What is the role of the PD0 and PD1 pins? A: The PD0 and PD1 pins are used for UART communication (TX and RX) or CAN bus communication.
Q: Is there any built-in protection for the STM8S103K3T6C? A: Yes, the microcontroller includes built-in protection for overvoltage, undervoltage, and ESD.
Q: How does the STM8S103K3T6C communicate over SPI? A: SPI communication uses pins PA5 (SCK), PA6 (MISO), PA7 (MOSI), and PB3 (SS).
Q: Does the STM8S103K3T6C support I2C communication? A: Yes, I2C communication is supported via pins PB4 (SCL) and PB5 (SDA).
Q: What is the maximum operating temperature range of the STM8S103K3T6C? A: The operating temperature range is -40°C to +125°C.
Q: How is the STM8S103K3T6C programmed? A: The microcontroller can be programmed using in-circuit serial programming (ICSP) or a USB-to-serial adapter.
This is a comprehensive description and FAQ about the STM8S103K3T6C. Please ensure that each pin's functionality is understood in context with your application!
