STM8L051F3P6 Detailed explanation of pin function specifications and circuit principle instructions

The STM8L051F3P6 is a microcontroller from STMicroelectronics, specifically from the STM8 series. This model is part of the STM8L family, which is known for being ultra-low- Power microcontrollers suitable for a variety of applications such as energy-efficient devices and small systems requiring a 8-bit processor.

Here is a detailed explanation of the pin functions, specifications, circuit principles, and a list of the functions for the pins of this specific microcontroller.

STM8L051F3P6 Pinout and Packaging

The STM8L051F3P6 comes in the LQFP-32 package (Low-profile Quad Flat Package), which has 32 pins in total.

Pin Function Specifications:

Here’s the detailed pinout for the STM8L051F3P6 in the LQFP-32 package.

Pin # Pin Name Pin Type Function Description 1 VSS Ground Ground pin. 2 VDD Power Supply Power supply pin (3.0V to 3.6V) 3 PA0 I/O, Analog General-purpose I/O, ADC input, external interrupt 4 PA1 I/O, Analog General-purpose I/O, ADC input, external interrupt 5 PA2 I/O, Analog General-purpose I/O, ADC input, external interrupt 6 PA3 I/O General-purpose I/O, SPI CLK, I2C SCL, external interrupt 7 PA4 I/O General-purpose I/O, SPI MISO, I2C SDA, external interrupt 8 PA5 I/O General-purpose I/O, SPI MOSI, Timer output, external interrupt 9 PA6 I/O, Analog General-purpose I/O, Timer input, external interrupt 10 PA7 I/O, Analog General-purpose I/O, Timer input, external interrupt 11 PB0 I/O General-purpose I/O, external interrupt, Timer input 12 PB1 I/O General-purpose I/O, external interrupt, Timer input 13 PB2 I/O General-purpose I/O, external interrupt, Timer input 14 PB3 I/O General-purpose I/O, external interrupt, Timer input 15 PB4 I/O General-purpose I/O, external interrupt, Timer input 16 PB5 I/O General-purpose I/O, external interrupt, Timer input 17 PB6 I/O General-purpose I/O, external interrupt, Timer input 18 PB7 I/O General-purpose I/O, external interrupt, Timer input 19 PC0 I/O, Analog General-purpose I/O, ADC input, external interrupt 20 PC1 I/O, Analog General-purpose I/O, ADC input, external interrupt 21 PC2 I/O General-purpose I/O, external interrupt, Timer input 22 PC3 I/O General-purpose I/O, external interrupt, Timer input 23 PC4 I/O General-purpose I/O, external interrupt, Timer input 24 PC5 I/O General-purpose I/O, external interrupt, Timer input 25 PC6 I/O General-purpose I/O, external interrupt, Timer input 26 PC7 I/O General-purpose I/O, external interrupt, Timer input 27 RESET Reset Reset pin used to reset the microcontroller. 28 NRST Reset Active low reset input for external reset signal. 29 OSCIN Clock Input Input pin for external clock source. 30 OSCOUT Clock Output Output pin for external clock signal. 31 SWIM Debug interface Serial Wire Debug (SWD) Interface used for debugging and programming. 32 BOOT0 Boot Mode Select Boot mode select pin for system booting from different sources (FLASH, SRAM, etc.).

Package Details:

The STM8L051F3P6 comes in a 32-pin LQFP package.

Total Pins: 32 Package Type: LQFP (Low-profile Quad Flat Package)

Common FAQ Questions:

What is the operating voltage range for STM8L051F3P6? The operating voltage range is 3.0V to 3.6V. Can I use STM8L051F3P6 for low-power applications? Yes, STM8L051F3P6 is specifically designed for low-power applications with its ultra-low-power modes. Does the STM8L051F3P6 support I2C? Yes, the STM8L051F3P6 supports I2C communication on pins PA4 and PA5. What is the maximum clock frequency of STM8L051F3P6? The maximum clock frequency is 16 MHz. What are the analog functions available on this chip? The PA0 to PA3 pins and PC0, PC1 pins can serve as ADC inputs. What is the role of the pin SWIM on STM8L051F3P6? SWIM is used for Serial Wire Interface Mode to facilitate debugging and programming. How many GPIO pins does STM8L051F3P6 have? There are 18 general-purpose I/O pins (PA0-PA7, PB0-PB7, PC0-PC7). Is there a dedicated reset pin? Yes, there are two reset pins: RESET and NRST. Can STM8L051F3P6 interface with SPI peripherals? Yes, it supports SPI interface through PA5, PA6, and PA7 pins.

What is the purpose of the BOOT0 pin?

BOOT0 pin is used to select the boot mode at startup to determine from where the system will boot (e.g., Flash, SRAM).

Does STM8L051F3P6 support PWM output?

Yes, you can use TIM1 and TIM2 timers to generate PWM signals on various GPIO pins.

What external clock sources are supported by STM8L051F3P6?

It supports external crystals or external clock sources through the OSCIN and OSCOUT pins.

Can STM8L051F3P6 be programmed through SWIM?

Yes, programming and debugging can be done through the SWIM interface.

What is the maximum current available for each GPIO pin?

Each GPIO pin can source or sink up to 8mA of current.

What is the storage capacity of STM8L051F3P6?

It features 8KB of Flash memory and 1KB of SRAM.

Is STM8L051F3P6 suitable for automotive applications?

Yes, it can be used in automotive applications as it supports wide temperature ranges and robust features.

Does STM8L051F3P6 have built-in protection features?

Yes, it has brown-out reset and watchdog timer features.

What is the role of NRST pin?

NRST is the active low reset pin, used for triggering the reset on external systems.

Can STM8L051F3P6 handle interrupts?

Yes, the STM8L051F3P6 supports external interrupts on various pins.

Does STM8L051F3P6 support UART communication?

Yes, it supports USART for UART communication on PA2 and PA3.

Summary:

The STM8L051F3P6 microcontroller from STMicroelectronics in the LQFP-32 package is a versatile and low-power microcontroller with a wide range of pin functionalities. Its 32 pins support general-purpose I/O, analog inputs, various communication interfaces (SPI, I2C, USART), and special functions like reset, debug interfaces, and external clock inputs.

This detailed description covers the pin functions, package type, and provides FAQs that address common questions users might have when working with this particular model.