STM32L151C8T6 Detailed explanation of pin function specifications and circuit principle instructions
The STM32L151C8T6 is a microcontroller from STMicroelectronics, part of their STM32 family of ARM Cortex-M3 based microcontrollers. It is specifically designed for low- Power applications and is based on the STM32L1 series.
This particular model, STM32L151C8T6, has the following features:
Packaging and Pin Count
Package Type: LQFP (Low-profile Quad Flat Package) Pin Count: 48 pinsPin Functionality List
Here’s a detailed breakdown of each pin’s functionality for the STM32L151C8T6 (48-pin LQFP package):
Pin Number Pin Name Function Description 1 VSS Ground pin 2 VDD Power supply pin (3.3V) 3 NRST Reset pin 4 PA13 SWDIO (Serial Wire Debug Data Input/Output) 5 PA14 SWCLK (Serial Wire Debug Clock ) 6 PA15 JTDI (JTAG Test Data In) 7 PB3 SWO (Serial Wire Output) 8 PB4 General purpose I/O (GPIO) or TIM3_CH1 (Timer Channel 1) 9 PB5 General purpose I/O (GPIO) or SPI1_SCK (SPI Serial Clock) 10 PB6 General purpose I/O (GPIO) or I2C1_SCL (I2C Clock) 11 PB7 General purpose I/O (GPIO) or I2C1_SDA (I2C Data) 12 PB8 General purpose I/O (GPIO) or USART1_TX (USART1 Transmit) 13 PB9 General purpose I/O (GPIO) or USART1_RX (USART1 Receive) 14 PC13 General purpose I/O (GPIO) 15 PC14 General purpose I/O (GPIO) or SPI1_MISO (SPI Master In Slave Out) 16 PC15 General purpose I/O (GPIO) or SPI1_MOSI (SPI Master Out Slave In) 17 PD0 General purpose I/O (GPIO) or USART2_TX (USART2 Transmit) 18 PD1 General purpose I/O (GPIO) or USART2_RX (USART2 Receive) 19 PD2 General purpose I/O (GPIO) or I2C2_SCL (I2C Clock) 20 PD3 General purpose I/O (GPIO) or I2C2_SDA (I2C Data) 21 PD4 General purpose I/O (GPIO) or USART3_TX (USART3 Transmit) 22 PD5 General purpose I/O (GPIO) or USART3_RX (USART3 Receive) 23 PD6 General purpose I/O (GPIO) or SPI2_SCK (SPI Serial Clock) 24 PD7 General purpose I/O (GPIO) or SPI2_MISO (SPI Master In Slave Out) 25 PD8 General purpose I/O (GPIO) or SPI2_MOSI (SPI Master Out Slave In) 26 PE0 General purpose I/O (GPIO) or I2C3_SCL (I2C Clock) 27 PE1 General purpose I/O (GPIO) or I2C3_SDA (I2C Data) 28 PE2 General purpose I/O (GPIO) 29 PE3 General purpose I/O (GPIO) 30 PE4 General purpose I/O (GPIO) 31 PE5 General purpose I/O (GPIO) 32 PE6 General purpose I/O (GPIO) 33 PE7 General purpose I/O (GPIO) 34 PE8 General purpose I/O (GPIO) or USART6_TX (USART6 Transmit) 35 PE9 General purpose I/O (GPIO) or USART6_RX (USART6 Receive) 36 PF0 General purpose I/O (GPIO) 37 PF1 General purpose I/O (GPIO) 38 PF2 General purpose I/O (GPIO) 39 PF3 General purpose I/O (GPIO) 40 PF4 General purpose I/O (GPIO) 41 PF5 General purpose I/O (GPIO) 42 PF6 General purpose I/O (GPIO) 43 PF7 General purpose I/O (GPIO) 44 PF8 General purpose I/O (GPIO) 45 PF9 General purpose I/O (GPIO) 46 PF10 General purpose I/O (GPIO) 47 PF11 General purpose I/O (GPIO) 48 PF12 General purpose I/O (GPIO)