STM32F101RBT6 Detailed explanation of pin function specifications and circuit principle instructions

The model "STM32F101RBT6" belongs to the STM32 series, which is developed by STMicroelectronics. This specific model, STM32F101RBT6, is based on the ARM Cortex-M3 core and is part of their 32-bit microcontroller family. This particular variant, STM32F101RBT6, is designed for general-purpose applications, offering a good balance of Power , performance, and peripheral features.

Package and Pin Configuration:

The STM32F101RBT6 is available in the LQFP-64 package (Low-profile Quad Flat Package with 64 pins).

Here is a breakdown of the pin functions for the 64-pin LQFP package:

Pin Number Pin Name Function Description 1 VSS Ground Pin 2 VDD Power Supply Pin 3 NRST Reset Pin (active low) 4 PA0 GPIO Pin, also used for ADC Input Channel 0 5 PA1 GPIO Pin, also used for ADC Input Channel 1 6 PA2 GPIO Pin, also used for USART2 Transmit (TX) 7 PA3 GPIO Pin, also used for USART2 Receive (RX) 8 PA4 GPIO Pin, also used for SPI1 Chip Select (CS) 9 PA5 GPIO Pin, also used for SPI1 Clock (SCK) 10 PA6 GPIO Pin, also used for SPI1 MISO (Master In Slave Out) 11 PA7 GPIO Pin, also used for SPI1 MOSI (Master Out Slave In) 12 PA8 GPIO Pin, also used for MCO (Microcontroller Clock Output) 13 PA9 GPIO Pin, also used for USART1 Transmit (TX) 14 PA10 GPIO Pin, also used for USART1 Receive (RX) 15 PA11 GPIO Pin, also used for USB Data + 16 PA12 GPIO Pin, also used for USB Data - 17 PA13 GPIO Pin, also used for JTAG TDI (Test Data Input) 18 PA14 GPIO Pin, also used for JTAG TDO (Test Data Output) 19 PA15 GPIO Pin, also used for JTAG TMS (Test Mode Select) 20 PB0 GPIO Pin, also used for SPI1 Chip Select (CS) 21 PB1 GPIO Pin, also used for SPI1 MISO 22 PB2 GPIO Pin, also used for SPI1 MOSI 23 PB3 GPIO Pin, also used for SPI1 Clock (SCK) 24 PB4 GPIO Pin, also used for I2C1 SDA (Serial Data) 25 PB5 GPIO Pin, also used for I2C1 SCL (Serial Clock) 26 PB6 GPIO Pin, also used for USART1 Transmit (TX) 27 PB7 GPIO Pin, also used for USART1 Receive (RX) 28 PB8 GPIO Pin, also used for I2C1 SCL 29 PB9 GPIO Pin, also used for I2C1 SDA 30 PC0 GPIO Pin, also used for ADC Input Channel 10 31 PC1 GPIO Pin, also used for ADC Input Channel 11 32 PC2 GPIO Pin, also used for ADC Input Channel 12 33 PC3 GPIO Pin, also used for ADC Input Channel 13 34 PC4 GPIO Pin, also used for ADC Input Channel 14 35 PC5 GPIO Pin, also used for ADC Input Channel 15 36 PC6 GPIO Pin, also used for USART2 Transmit (TX) 37 PC7 GPIO Pin, also used for USART2 Receive (RX) 38 PC8 GPIO Pin, also used for I2C1 SCL 39 PC9 GPIO Pin, also used for I2C1 SDA 40 PD0 GPIO Pin 41 PD1 GPIO Pin 42 PD2 GPIO Pin 43 PD3 GPIO Pin 44 PD4 GPIO Pin 45 PD5 GPIO Pin 46 PD6 GPIO Pin 47 PD7 GPIO Pin 48 PD8 GPIO Pin 49 PD9 GPIO Pin 50 PD10 GPIO Pin 51 PD11 GPIO Pin 52 PD12 GPIO Pin 53 PD13 GPIO Pin 54 PD14 GPIO Pin 55 PD15 GPIO Pin 56 VSS Ground Pin 57 VDD Power Supply Pin 58 BOOT0 Boot Pin 59 RST Reset Pin 60 SWDIO Serial Wire Debug I/O Pin 61 SWCLK Serial Wire Debug Clock Pin 62 TMS Test Mode Select Pin 63 TCK Test Clock Pin 64 NC No Connect Pin

Frequently Asked Questions (FAQ):

What is the STM32F101RBT6? The STM32F101RBT6 is a 32-bit ARM Cortex-M3 based microcontroller from the STM32 series, manufactured by STMicroelectronics. It features 64 pins in an LQFP package. What is the purpose of the NRST pin on the STM32F101RBT6? The NRST pin is the reset pin that is used to reset the microcontroller. It is active low, meaning it requires a low voltage level to trigger a reset. How many GPIO pins are available on the STM32F101RBT6? The STM32F101RBT6 has a total of 50 GPIO pins available for various purposes, including digital I/O, analog input, and alternate functions like SPI, UART, and I2C. Can the STM32F101RBT6 be used for USB communication? Yes, the STM32F101RBT6 includes pins for USB communication, specifically the PA11 and PA12 pins for USB Data + and Data -. What is the function of the VSS pin on the STM32F101RBT6? The VSS pin serves as the ground pin for the STM32F101RBT6, providing a common reference voltage for all components. What is the difference between PA0 and PA1 pins? PA0 and PA1 are both GPIO pins, but they also serve as inputs for the analog-to-digital converter (ADC). PA0 is for ADC Channel 0, and PA1 is for ADC Channel 1. How can I configure the STM32F101RBT6's UART interface ? To configure the UART interface, you can use the PA2 and PA3 pins for USART2 TX and RX, respectively, and set up the corresponding registers for baud rate, data format, and other communication parameters. Is the STM32F101RBT6 suitable for use in embedded systems? Yes, the STM32F101RBT6 is a powerful microcontroller suitable for a wide range of embedded system applications, including consumer electronics, automotive, and industrial control systems. What are the power supply requirements for the STM32F101RBT6? The STM32F101RBT6 requires a power supply of 3.3V, which should be connected to the VDD pin. The VSS pin is connected to ground. What is the maximum clock speed of the STM32F101RBT6? The STM32F101RBT6 can run at a maximum clock speed of 36 MHz, driven by an external or internal oscillator.

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