STM8S003F3P6 Detailed explanation of pin function specifications and circuit principle instructions

The STM8S003F3P6 is a microcontroller from STMicroelectronics, part of the STM8 family of 8-bit microcontrollers. The STM8S003F3P6 comes in the LQFP-32 package, which has 32 pins, not 200 as you mentioned.

Pin Function Specifications

The STM8S003F3P6 microcontroller has the following pin functions:

Pin Number Pin Name Function Description 1 VSS Ground (0V) 2 VDD Power supply (3.3V or 5V) 3 PA0 General-purpose I/O, Analog input (ADC) 4 PA1 General-purpose I/O, Analog input (ADC) 5 PA2 General-purpose I/O, Analog input (ADC) 6 PA3 General-purpose I/O, Analog input (ADC) 7 PA4 General-purpose I/O, SPI (MISO) 8 PA5 General-purpose I/O, SPI (SCK) 9 PA6 General-purpose I/O, Analog input (ADC) 10 PA7 General-purpose I/O, Analog input (ADC) 11 PB0 General-purpose I/O, SPI (MOSI) 12 PB1 General-purpose I/O, SPI (NSS) 13 PB2 General-purpose I/O, PWM output 14 PB3 General-purpose I/O, UART (TX) 15 PB4 General-purpose I/O, UART (RX) 16 PB5 General-purpose I/O, TIM1 (CH1) 17 PB6 General-purpose I/O, TIM1 (CH2) 18 PB7 General-purpose I/O, TIM1 (CH3) 19 PC0 General-purpose I/O, Analog input (ADC) 20 PC1 General-purpose I/O, Analog input (ADC) 21 PC2 General-purpose I/O, Analog input (ADC) 22 PC3 General-purpose I/O, Analog input (ADC) 23 PC4 General-purpose I/O, Analog input (ADC) 24 PC5 General-purpose I/O, Analog input (ADC) 25 RESET Reset pin, active low 26 SWIM Serial Wire Debug (SWD) interface 27 BOOT0 Bootloader selection pin 28 NRST External reset pin, active low 29 EXTI0 External interrupt 0 30 EXTI1 External interrupt 1 31 EXTI2 External interrupt 2 32 EXTI3 External interrupt 3

Package: LQFP-32

LQFP-32: Low-profile quad flat package with 32 pins.

FAQ – Frequently Asked Questions

Q: What is the operating voltage range of the STM8S003F3P6? A: The STM8S003F3P6 operates within a voltage range of 2.95V to 5.5V.

Q: How do I configure the I/O pins on the STM8S003F3P6? A: The I/O pins can be configured as input, output, or analog using software control via registers in the microcontroller.

Q: Can I use PA0-PA7 as general-purpose I/O pins? A: Yes, PA0 to PA7 can be used as general-purpose I/O pins, or they can function as analog inputs for ADC channels.

Q: How do I use the SPI interface on the STM8S003F3P6? A: SPI can be configured using the SPI control registers, and PA4 to PA7 are the primary pins used for SPI communication (MISO, MOSI, SCK, NSS).

Q: What is the maximum clock frequency of the STM8S003F3P6? A: The STM8S003F3P6 operates with a maximum clock frequency of 16 MHz.

Q: Does the STM8S003F3P6 have an integrated ADC? A: Yes, the STM8S003F3P6 has a 10-bit ADC with up to 8 channels for analog input.

Q: Can I use PB3 and PB4 for UART communication? A: Yes, PB3 and PB4 are used for UART transmission (TX) and reception (RX), respectively.

Q: What is the function of the RESET pin on the STM8S003F3P6? A: The RESET pin is used to reset the microcontroller, and it is active low.

Q: Can I use the external interrupts on the STM8S003F3P6? A: Yes, the STM8S003F3P6 supports external interrupts on pins EXTI0, EXTI1, EXTI2, and EXTI3.

Q: How do I configure the PWM outputs on PB2? A: PB2 can be configured as a PWM output through the TIM1 channel settings.

Q: What is the SWIM interface used for? A: The SWIM (Single Wire Interface Module) is used for debugging and programming the STM8S003F3P6.

Q: Can the STM8S003F3P6 be used in battery-powered applications? A: Yes, with low power consumption, the STM8S003F3P6 is suitable for battery-powered applications.

Q: How do I enter the bootloader mode on the STM8S003F3P6? A: The STM8S003F3P6 enters bootloader mode by setting the BOOT0 pin high during reset.

Q: Is the STM8S003F3P6 compatible with 5V logic? A: Yes, the STM8S003F3P6 is fully compatible with both 3.3V and 5V logic levels.

Q: What are the maximum operating temperature ranges for the STM8S003F3P6? A: The STM8S003F3P6 operates within a temperature range of -40°C to 85°C.

Q: Does the STM8S003F3P6 have any timers? A: Yes, the STM8S003F3P6 includes multiple timers, such as TIM1, which can be used for PWM, input capture, and output compare.

Q: How do I configure the analog inputs for ADC? A: The analog inputs are configured by selecting the corresponding channels through the ADC configuration registers.

Q: What is the function of the BOOT0 pin? A: The BOOT0 pin is used to select the boot mode of the microcontroller (bootloader or normal execution).

Q: How many I/O pins does the STM8S003F3P6 have? A: The STM8S003F3P6 has a total of 32 I/O pins, with functions for both digital and analog applications.

Q: How do I enable the external interrupts on the STM8S003F3P6? A: External interrupts are enabled by configuring the EXTI registers and enabling the corresponding interrupt line.

This explanation provides the required details about the STM8S003F3P6. If you'd like more information or further clarification, feel free to ask!