STM32F103TBU6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32F103 TBU6 is part of the STM32 family of microcontrollers produced by STMicroelectronics, a leading global semiconductor company. The STM32F103 series is based on the ARM Cortex-M3 core and is widely used in embedded systems for applications that require high-performance processing, low power consumption, and flexible I/O capabilities.

Package Type

The STM32F103TBU6 comes in a LQFP-100 package, meaning it has 100 pins arranged in a leaded square package with 14x14mm dimensions. The specific model (STM32F103TBU6) refers to the configuration with a 100-pin LQFP package.

Pinout Functions and Descriptions

Here’s a detailed description of all 100 pins in the LQFP-100 package of the STM32F103TBU6, with their respective functions:

Pin Number Pin Name Function Description 1 PA0 GPIO, Analog input (ADC1_IN0) 2 PA1 GPIO, Analog input (ADC1_IN1) 3 PA2 GPIO, Analog input (ADC1_IN2) 4 PA3 GPIO, Analog input (ADC1_IN3) 5 PA4 GPIO, Analog input (ADC1_IN4) 6 PA5 GPIO, Analog input (ADC1_IN5) 7 PA6 GPIO, Analog input (ADC1_IN6) 8 PA7 GPIO, Analog input (ADC1_IN7) 9 PA8 GPIO, High-speed clock output (MCO) 10 PA9 GPIO, USART1_TX 11 PA10 GPIO, USART1_RX 12 PA11 GPIO, USART1_CK 13 PA12 GPIO, USB OTG FS ID 14 PA13 GPIO, Debug SWDIO 15 PA14 GPIO, Debug SWCLK 16 PA15 GPIO, External interrupt (EXTI15) 17 PB0 GPIO, External interrupt (EXTI0) 18 PB1 GPIO, External interrupt (EXTI1) 19 PB2 GPIO, External interrupt (EXTI2) 20 PB3 GPIO, External interrupt (EXTI3) 21 PB4 GPIO, SPI1_NSS 22 PB5 GPIO, SPI1_SCK 23 PB6 GPIO, SPI1_MISO 24 PB7 GPIO, SPI1_MOSI 25 PB8 GPIO, I2C1_SCL 26 PB9 GPIO, I2C1_SDA 27 PB10 GPIO, External interrupt (EXTI10) 28 PB11 GPIO, External interrupt (EXTI11) 29 PB12 GPIO, CAN1_RX 30 PB13 GPIO, CAN1_TX 31 PB14 GPIO, JTAG_TDI 32 PB15 GPIO, JTAG_TDO 33 PC0 GPIO, Analog input (ADC1_IN10) 34 PC1 GPIO, Analog input (ADC1_IN11) 35 PC2 GPIO, Analog input (ADC1_IN12) 36 PC3 GPIO, Analog input (ADC1_IN13) 37 PC4 GPIO, Analog input (ADC1_IN14) 38 PC5 GPIO, Analog input (ADC1_IN15) 39 PC6 GPIO, I2C1_SCL 40 PC7 GPIO, I2C1_SDA 41 PC8 GPIO, External interrupt (EXTI8) 42 PC9 GPIO, External interrupt (EXTI9) 43 PC10 GPIO, USART3_TX 44 PC11 GPIO, USART3_RX 45 PC12 GPIO, External interrupt (EXTI12) 46 PD0 GPIO, External interrupt (EXTI0) 47 PD1 GPIO, External interrupt (EXTI1) 48 PD2 GPIO, External interrupt (EXTI2) 49 PD3 GPIO, External interrupt (EXTI3) 50 PD4 GPIO, External interrupt (EXTI4) 51 PD5 GPIO, External interrupt (EXTI5) 52 PD6 GPIO, External interrupt (EXTI6) 53 PD7 GPIO, External interrupt (EXTI7) 54 PD8 GPIO, External interrupt (EXTI8) 55 PD9 GPIO, External interrupt (EXTI9) 56 PD10 GPIO, External interrupt (EXTI10) 57 PD11 GPIO, External interrupt (EXTI11) 58 PD12 GPIO, External interrupt (EXTI12) 59 PD13 GPIO, External interrupt (EXTI13) 60 PD14 GPIO, External interrupt (EXTI14) 61 PD15 GPIO, External interrupt (EXTI15) 62 PE0 GPIO, External interrupt (EXTI0) 63 PE1 GPIO, External interrupt (EXTI1) 64 PE2 GPIO, External interrupt (EXTI2) 65 PE3 GPIO, External interrupt (EXTI3) 66 PE4 GPIO, External interrupt (EXTI4) 67 PE5 GPIO, External interrupt (EXTI5) 68 PE6 GPIO, External interrupt (EXTI6) 69 PE7 GPIO, External interrupt (EXTI7) 70 PE8 GPIO, External interrupt (EXTI8) 71 PE9 GPIO, External interrupt (EXTI9) 72 PE10 GPIO, External interrupt (EXTI10) 73 PE11 GPIO, External interrupt (EXTI11) 74 PE12 GPIO, External interrupt (EXTI12) 75 PE13 GPIO, External interrupt (EXTI13) 76 PE14 GPIO, External interrupt (EXTI14) 77 PE15 GPIO, External interrupt (EXTI15) 78 PF0 GPIO, Analog input (ADC1_IN16) 79 PF1 GPIO, Analog input (ADC1_IN17) 80 PF2 GPIO, Analog input (ADC1_IN18) 81 PF3 GPIO, Analog input (ADC1_IN19) 82 PF4 GPIO, Analog input (ADC1_IN20) 83 PF5 GPIO, Analog input (ADC1_IN21) 84 PF6 GPIO, Analog input (ADC1_IN22) 85 PF7 GPIO, Analog input (ADC1_IN23) 86 PF8 GPIO, Analog input (ADC1_IN24) 87 PF9 GPIO, Analog input (ADC1_IN25) 88 PF10 GPIO, Analog input (ADC1_IN26) 89 PF11 GPIO, Analog input (ADC1_IN27) 90 PF12 GPIO, Analog input (ADC1_IN28) 91 PF13 GPIO, Analog input (ADC1_IN29) 92 PF14 GPIO, Analog input (ADC1_IN30) 93 PF15 GPIO, Analog input (ADC1_IN31) 94 PG0 GPIO, External interrupt (EXTI0) 95 PG1 GPIO, External interrupt (EXTI1) 96 PG2 GPIO, External interrupt (EXTI2) 97 PG3 GPIO, External interrupt (EXTI3) 98 PG4 GPIO, External interrupt (EXTI4) 99 PG5 GPIO, External interrupt (EXTI5) 100 PG6 GPIO, External interrupt (EXTI6)

Frequently Asked Questions (FAQs) About STM32F103TBU6

What is the main architecture of STM32F103TBU6? The STM32F103TBU6 uses the ARM Cortex-M3 architecture. How many GPIO pins does STM32F103TBU6 have? STM32F103TBU6 has 100 pins in total, including GPIOs for various functions. What is the maximum operating frequency of STM32F103TBU6? The STM32F103TBU6 operates at a maximum frequency of 72 MHz. What is the voltage range of STM32F103TBU6? The STM32F103TBU6 operates with a voltage range of 2.0V to 3.6V. Does STM32F103TBU6 support USB? Yes, it supports USB 2.0 Full Speed. What is the maximum Flash memory size of STM32F103TBU6? The STM32F103TBU6 has a maximum Flash memory size of 128 KB. Can STM32F103TBU6 be used in real-time applications? Yes, it features a 72 MHz Cortex-M3 processor, making it suitable for real-time applications. How many UART interface s are available on STM32F103TBU6? STM32F103TBU6 supports up to 3 UART interfaces. Does STM32F103TBU6 support PWM output? Yes, it supports PWM output on multiple GPIO pins. What are the communication interfaces available on STM32F103TBU6? It supports UART, SPI, I2C, CAN, and USB interfaces. How much RAM is available in STM32F103TBU6? STM32F103TBU6 has 20 KB of SRAM. Can STM32F103TBU6 be used for motor control applications? Yes, with its timers and PWM outputs, it is suitable for motor control. What is the package type of STM32F103TBU6? It comes in an LQFP-100 package. Does STM32F103TBU6 support analog-to-digital conversion? Yes, it supports up to 12-bit ADC with multiple channels. Is STM32F103TBU6 suitable for low-power applications? Yes, it features low-power modes for energy-efficient applications. How many external interrupts does STM32F103TBU6 support? STM32F103TBU6 supports up to 16 external interrupts. What development tools are available for STM32F103TBU6? STM32F103TBU6 is compatible with STMicroelectronics’ STM32CubeIDE and other ARM development tools. What is the size of the Flash memory in STM32F103TBU6? It has a Flash memory size of 128 KB. Can STM32F103TBU6 communicate over I2C? Yes, it supports I2C communication. Is there a built-in debugger in STM32F103TBU6? Yes, it supports SWD for debugging.