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STM8S105K6T6C Detailed explanation of pin function specifications and circuit principle instructions

seekcpu seekcpu Posted in2025-03-22 00:01:11 Views28 Comments0

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STM8S105K6T6C Detailed explanation of pin function specifications and circuit principle instructions

The STM8S105K6T6C is part of the STM8 family, which is produced by STMicroelectronics. This specific model is an 8-bit microcontroller, and it is part of their STM8S series, which features low- Power and high-performance embedded solutions for a variety of applications.

Packaging and Pin Count:

The STM8S105K6T6C microcontroller is available in LQFP-32 packaging, which means it has 32 pins. LQFP stands for Low-profile Quad Flat Package, which is a type of surface-mount package with leads extending from all four sides.

Pin Function and Specification Explanation:

Below is the pinout of the STM8S105K6T6C microcontroller in the LQFP-32 package, with detailed explanations of the function of each pin:

Pin Number Pin Name Pin Function 1 VSS Ground pin. Connect to the system ground. 2 PA0 (Analog) General-purpose I/O pin, used as analog input or digital I/O (ADC input). 3 PA1 (Analog) General-purpose I/O pin, used as analog input or digital I/O (ADC input). 4 PA2 (Analog) General-purpose I/O pin, used as analog input or digital I/O (ADC input). 5 PA3 (Analog) General-purpose I/O pin, used as analog input or digital I/O (ADC input). 6 PA4 General-purpose I/O pin, used for digital I/O or external interrupt. 7 PA5 General-purpose I/O pin, used for SPI SCK ( Clock ) or digital I/O. 8 PA6 General-purpose I/O pin, used for SPI MISO (Master In Slave Out) or digital I/O. 9 PA7 General-purpose I/O pin, used for SPI MOSI (Master Out Slave In) or digital I/O. 10 PB0 General-purpose I/O pin, can be used for external interrupt or digital I/O. 11 PB1 General-purpose I/O pin, can be used for external interrupt or digital I/O. 12 PB2 General-purpose I/O pin, can be used for external interrupt or digital I/O. 13 PB3 General-purpose I/O pin, can be used for external interrupt or digital I/O. 14 PB4 General-purpose I/O pin, can be used for PWM output or digital I/O. 15 PB5 General-purpose I/O pin, can be used for PWM output or digital I/O. 16 PB6 General-purpose I/O pin, can be used for I2C SDA (Serial Data) or digital I/O. 17 PB7 General-purpose I/O pin, can be used for I2C SCL (Serial Clock) or digital I/O. 18 VDD Power supply pin, connect to the system's positive supply voltage (typically 3.3V or 5V). 19 NRST Reset pin. Used to reset the microcontroller. 20 PC0 General-purpose I/O pin, can be used for external interrupt or digital I/O. 21 PC1 General-purpose I/O pin, can be used for external interrupt or digital I/O. 22 PC2 General-purpose I/O pin, can be used for external interrupt or digital I/O. 23 PC3 General-purpose I/O pin, can be used for external interrupt or digital I/O. 24 PC4 General-purpose I/O pin, can be used for analog input or digital I/O. 25 PC5 General-purpose I/O pin, can be used for analog input or digital I/O. 26 PC6 General-purpose I/O pin, can be used for analog input or digital I/O. 27 PC7 General-purpose I/O pin, can be used for analog input or digital I/O. 28 PD0 General-purpose I/O pin, can be used for digital I/O. 29 PD1 General-purpose I/O pin, can be used for digital I/O. 30 PD2 General-purpose I/O pin, can be used for digital I/O. 31 PD3 General-purpose I/O pin, can be used for digital I/O. 32 PD4 General-purpose I/O pin, can be used for digital I/O.

FAQ for STM8S105K6T6C Pin Functions:

What is the function of pin PA0 on the STM8S105K6T6C? PA0 is a general-purpose I/O pin that can also serve as an analog input for the ADC (Analog-to-Digital Converter). Can pin PA5 be used for SPI communication on the STM8S105K6T6C? Yes, PA5 can be used as the SPI SCK (Clock) pin for Serial Peripheral Interface communication. How can I use pin PA6 on the STM8S105K6T6C? PA6 can be used as the SPI MISO (Master In Slave Out) pin for SPI communication or as a general-purpose I/O. What is the role of the PB4 pin on the STM8S105K6T6C? PB4 is used for PWM output or as a digital I/O pin. Is pin PB7 for I2C communication on the STM8S105K6T6C? Yes, PB7 is used as the I2C SCL (Serial Clock) pin for I2C communication. What is the voltage range for VDD (Pin 18) on the STM8S105K6T6C? The VDD pin should be connected to a supply voltage typically between 2.95V and 5.5V. How is the NRST pin used in the STM8S105K6T6C? The NRST pin is the reset pin for the microcontroller. A low signal on this pin resets the MCU. Can I use PC4 and PC5 for analog inputs on the STM8S105K6T6C? Yes, both PC4 and PC5 can be used for analog input, typically for the ADC functionality. How many pins on the STM8S105K6T6C are used for I/O? The STM8S105K6T6C has a total of 32 pins, many of which are configurable as general-purpose I/O.

Can pin PA7 be used as a digital I/O pin?

Yes, PA7 can be used as a digital I/O pin or for SPI MOSI (Master Out Slave In) communication.

What is the maximum frequency supported by the STM8S105K6T6C?

The STM8S105K6T6C can operate at a maximum clock frequency of 16 MHz.

How do I configure pins for PWM output on STM8S105K6T6C?

Pins PB4 and PB5 can be configured for PWM output by using the timers and PWM peripheral features.

Is there support for UART communication on the STM8S105K6T6C?

Yes, the STM8S105K6T6C supports UART communication, but it depends on the pin configuration.

What is the purpose of pins PA1 and PA2 on the STM8S105K6T6C?

PA1 and PA2 can be used for analog inputs to the ADC or as digital I/O pins.

Can I use pin PB6 for I2C SDA on the STM8S105K6T6C?

Yes, PB6 is the I2C SDA pin for I2C communication.

What type of reset is available on the NRST pin?

The NRST pin triggers a hardware reset when pulled low.

What happens if the VSS pin is not connected to ground?

The VSS pin must be connected to ground to ensure the proper operation of the STM8S105K6T6C.

What is the power consumption of STM8S105K6T6C in low-power mode?

The power consumption is low in sleep or halt mode, with the device consuming minimal current in these states.

Can I use PC2 and PC3 for digital I/O?

Yes, both PC2 and PC3 can be used as general-purpose digital I/O pins.

What should be done if the microcontroller fails to reset properly?

Ensure the NRST pin is properly connected and check for external influences like noise or voltage spikes.

This explanation covers all 32 pins of the STM8S105K6T6C in detail.

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