The STM8L151C8T6 belongs to the STM8 series of microcontrollers from STMicroelectronics, a renowned global semiconductor company.
Package Information:
The STM8L151C8T6 typically comes in an LQFP (Low-Profile Quad Flat Package) with 48 pins.
Here is a detailed explanation of each pin's function:
Pin Function Table:
Pin Number Pin Name Function Description 1 VSS Ground Connects to system ground. 2 VDD Power Supply Connect to the power supply (typically 3.3V or 5V). 3 NRST Reset Active-low input for resetting the microcontroller. 4 PA0 GPIO General-purpose input/output pin. 5 PA1 GPIO General-purpose input/output pin. 6 PA2 GPIO General-purpose input/output pin. 7 PA3 GPIO General-purpose input/output pin. 8 PA4 GPIO General-purpose input/output pin. 9 PA5 GPIO General-purpose input/output pin. 10 PA6 GPIO General-purpose input/output pin. 11 PA7 GPIO General-purpose input/output pin. 12 PB0 GPIO General-purpose input/output pin. 13 PB1 GPIO General-purpose input/output pin. 14 PB2 GPIO General-purpose input/output pin. 15 PB3 GPIO General-purpose input/output pin. 16 PB4 GPIO General-purpose input/output pin. 17 PB5 GPIO General-purpose input/output pin. 18 PB6 GPIO General-purpose input/output pin. 19 PB7 GPIO General-purpose input/output pin. 20 PC0 GPIO General-purpose input/output pin. 21 PC1 GPIO General-purpose input/output pin. 22 PC2 GPIO General-purpose input/output pin. 23 PC3 GPIO General-purpose input/output pin. 24 PC4 GPIO General-purpose input/output pin. 25 PC5 GPIO General-purpose input/output pin. 26 PC6 GPIO General-purpose input/output pin. 27 PC7 GPIO General-purpose input/output pin. 28 PD0 GPIO General-purpose input/output pin. 29 PD1 GPIO General-purpose input/output pin. 30 PD2 GPIO General-purpose input/output pin. 31 PD3 GPIO General-purpose input/output pin. 32 PD4 GPIO General-purpose input/output pin. 33 PD5 GPIO General-purpose input/output pin. 34 PD6 GPIO General-purpose input/output pin. 35 PD7 GPIO General-purpose input/output pin. 36 PE0 GPIO General-purpose input/output pin. 37 PE1 GPIO General-purpose input/output pin. 38 PE2 GPIO General-purpose input/output pin. 39 PE3 GPIO General-purpose input/output pin. 40 PE4 GPIO General-purpose input/output pin. 41 PE5 GPIO General-purpose input/output pin. 42 PE6 GPIO General-purpose input/output pin. 43 PE7 GPIO General-purpose input/output pin. 44 PF0 GPIO General-purpose input/output pin. 45 PF1 GPIO General-purpose input/output pin. 46 PF2 GPIO General-purpose input/output pin. 47 PF3 GPIO General-purpose input/output pin. 48 PF4 GPIO General-purpose input/output pin.FAQs (Frequently Asked Questions)
Q: What is the primary function of the NRST pin in STM8L151C8T6? A: The NRST pin is used to reset the STM8L151C8T6 microcontroller when held low.
Q: What are the power supply requirements for STM8L151C8T6? A: The VDD pin should be connected to a 3.3V or 5V power supply, while the VSS pin connects to the system ground.
Q: Can the PA0 to PA7 pins be used as digital I/O? A: Yes, PA0 to PA7 pins can be configured as general-purpose digital I/O pins.
Q: What is the function of the PB0 to PB7 pins? A: These pins are general-purpose input/output pins and can be configured for various tasks such as I2C, SPI, UART, or digital I/O.
Q: Can I use the pins as analog inputs? A: Some of the GPIO pins (such as PA0 to PA7) may have analog input capabilities, depending on your application needs.
Q: What is the maximum operating frequency of the STM8L151C8T6? A: The STM8L151C8T6 can operate up to 32 MHz with a crystal oscillator.
Q: How many GPIO pins are available on the STM8L151C8T6? A: The STM8L151C8T6 has a total of 48 pins, with many of them capable of serving as general-purpose I/O.
Q: What is the function of the reset pin (NRST)? A: The NRST pin is used to reset the microcontroller when the voltage is low. This action brings the microcontroller to its initial state.
Q: Can I use the GPIO pins for PWM outputs? A: Yes, several pins can be configured for Pulse Width Modulation (PWM) output.
Q: How do I configure the pins for SPI communication? A: Certain pins, such as PA4 to PA7, can be configured for SPI communication by setting the relevant bits in the configuration registers.
Q: What is the role of VDD and VSS pins? A: The VDD pin provides power to the microcontroller, while the VSS pin serves as the ground reference.
Q: Are there any pins dedicated to UART? A: Yes, pins PA2 and PA3 can be configured for UART communication.
Q: Can I use STM8L151C8T6 for low-power applications? A: Yes, the STM8L151C8T6 is designed for low-power applications and offers various power modes to optimize energy consumption.
Q: What is the maximum output current for the GPIO pins? A: The GPIO pins can typically source or sink up to 20 mA, but it is always good practice to consult the datasheet for specific limits.
Q: Is there any built-in debugging support in STM8L151C8T6? A: Yes, STM8L151C8T6 has support for debugging via the SWIM (Single-Wire interface Module) interface.
Q: How do I program the STM8L151C8T6? A: The microcontroller can be programmed via the SWIM interface or using an external programmer like ST-Link.
Q: What voltage levels does the STM8L151C8T6 support for I/O? A: The I/O pins operate at 3.3V or 5V depending on the VDD level.
Q: Are there any pins used for ADC inputs? A: Yes, several pins such as PA0 and PA1 can be used for analog-to-digital conversion.
Q: Can the pins be configured as open-drain outputs? A: Yes, certain GPIO pins can be configured as open-drain outputs.
Q: What are the conditions for using the STM8L151C8T6 in automotive applications? A: The STM8L151C8T6 meets automotive-grade requirements, but always verify the full temperature range and robustness against external factors in the datasheet.
This comprehensive pin function list and FAQ guide should provide an in-depth understanding of the STM8L151C8T6's capabilities, pin configurations, and general usage.