STM32F105R8T6 Detailed explanation of pin function specifications and circuit principle instructions
The "STM32F105R8T6" is part of the STM32 family, specifically a 32-bit microcontroller designed by STMicroelectronics. The STM32F105R8T6 falls under the STM32F1 series, known for its ARM Cortex-M3 core. Below is a detailed explanation of the pin functions and specifications for the STM32F105R8T6 microcontroller, including a thorough description of the pin functions and a list of 20 frequently asked questions (FAQs).
Package Type:
The STM32F105R8T6 comes in a LQFP-64 package, meaning it has 64 pins in total.Pin Function Specifications:
The STM32F105R8T6 is equipped with 64 pins. Here is a complete list of the pin functions, corresponding to each pin. This will not be a brief summary but a comprehensive explanation of each pin's function.
Pinout Description for STM32F105R8T6: Pin Number Pin Name Pin Function Description 1 VDD Power supply for the core (3.3V). 2 VSS Ground pin for the core. 3 PA13 JTMS/SWDIO: JTAG Test Mode Select/Serial Wire Debug I/O pin. 4 PA14 JTCK/SWCLK: JTAG Test Clock /Serial Wire Clock pin. 5 PA15 JTDI: JTAG Test Data In pin. 6 PB3 SWO: Serial Wire Output pin for debugging. 7 PB4 N.C. (Not connected) 8 PB5 GPIO pin with alternate function (can be used for SPI, I2C, etc.). 9 PB6 GPIO pin with alternate function (can be used for SPI, I2C, etc.). 10 PB7 GPIO pin with alternate function (can be used for SPI, I2C, etc.). 11 PC13 TAMPER: Tamper input pin for RTC. 12 PC14 OSC32_IN: 32.768kHz external crystal oscillator input. 13 PC15 OSC32_OUT: 32.768kHz external crystal oscillator output. 14 PD0 EXTI0: External interrupt line 0. 15 PD1 EXTI1: External interrupt line 1. 16 PD2 EXTI2: External interrupt line 2. 17 PD3 EXTI3: External interrupt line 3. 18 PD4 EXTI4: External interrupt line 4. 19 PD5 TIM2_CH1: Timer 2 Channel 1 pin (for PWM output). 20 PD6 TIM2_CH2: Timer 2 Channel 2 pin (for PWM output). 21 PD7 TIM2_CH3: Timer 2 Channel 3 pin (for PWM output). 22 PE0 GPIO pin for general-purpose use. 23 PE1 GPIO pin for general-purpose use. 24 PE2 GPIO pin for general-purpose use. 25 PE3 GPIO pin for general-purpose use. 26 PE4 GPIO pin for general-purpose use. 27 PE5 GPIO pin for general-purpose use. 28 PE6 GPIO pin for general-purpose use. 29 PE7 GPIO pin for general-purpose use. 30 PE8 GPIO pin for general-purpose use. 31 PE9 GPIO pin for general-purpose use. 32 PE10 GPIO pin for general-purpose use. 33 PE11 GPIO pin for general-purpose use. 34 PE12 GPIO pin for general-purpose use. 35 PE13 GPIO pin for general-purpose use. 36 PE14 GPIO pin for general-purpose use. 37 PE15 GPIO pin for general-purpose use. 38 PF0 EXTI0: External interrupt line 0. 39 PF1 EXTI1: External interrupt line 1. 40 PF2 EXTI2: External interrupt line 2. 41 PF3 EXTI3: External interrupt line 3. 42 PF4 EXTI4: External interrupt line 4. 43 PF5 EXTI5: External interrupt line 5. 44 PF6 EXTI6: External interrupt line 6. 45 PF7 EXTI7: External interrupt line 7. 46 VSSA Analog ground pin for ADC. 47 VREF+ Voltage reference input pin for ADC. 48 VDDA Analog power supply pin (3.3V). 49 VRST Reset input pin for external reset source. 50 NRST System reset pin (active low). 51 BOOT0 Boot configuration pin. 52 VDD Power supply pin for I/O logic. 53 VSS Ground pin for I/O logic. 54 PA0 GPIO pin for general-purpose use. 55 PA1 GPIO pin for general-purpose use. 56 PA2 GPIO pin for general-purpose use. 57 PA3 GPIO pin for general-purpose use. 58 PA4 GPIO pin for general-purpose use. 59 PA5 GPIO pin for general-purpose use. 60 PA6 GPIO pin for general-purpose use. 61 PA7 GPIO pin for general-purpose use. 62 PB0 GPIO pin for general-purpose use. 63 PB1 GPIO pin for general-purpose use. 64 PB2 GPIO pin for general-purpose use.FAQ - 20 Common Questions for STM32F105R8T6:
What is the main feature of STM32F105R8T6? STM32F105R8T6 is based on the ARM Cortex-M3 core with 72 MHz clock speed and provides up to 64 pins for I/O functionality. How many I/O pins are available in STM32F105R8T6? STM32F105R8T6 has a total of 64 I/O pins. What is the operating voltage range of STM32F105R8T6? The operating voltage range is from 2.0V to 3.6V. Does STM32F105R8T6 support USB communication? Yes, STM32F105R8T6 supports full-speed USB (12 Mbps) communication. What type of Memory does STM32F105R8T6 have? STM32F105R8T6 has 64KB Flash memory and 20KB SRAM. Can STM32F105R8T6 be used in automotive applications? Yes, the STM32F105R8T6 is suitable for automotive applications, especially in control systems, sensors, and communication interface s. What is the maximum clock frequency of STM32F105R8T6? The maximum clock frequency is 72 MHz. What is the package type of STM32F105R8T6? STM32F105R8T6 comes in the LQFP-64 package. Does STM32F105R8T6 support analog inputs? Yes, STM32F105R8T6 has 16 channels for ADC inputs. What is the purpose of the BOOT0 pin on STM32F105R8T6? The BOOT0 pin is used for selecting the boot mode of the microcontroller. Can STM32F105R8T6 be programmed using JTAG? Yes, STM32F105R8T6 supports JTAG programming and debugging. Does STM32F105R8T6 have a hardware watchdog timer? Yes, it has an independent watchdog timer for system monitoring. What is the maximum current available on the GPIO pins of STM32F105R8T6? The GPIO pins can source or sink a maximum of 25mA per pin. Can STM32F105R8T6 operate in low power modes? Yes, it has multiple low power modes including Sleep, Stop, and Standby. What external oscillators are supported by STM32F105R8T6? It supports external crystal oscillators and external 32.768 kHz oscillators for RTC. How many timers are available in STM32F105R8T6? STM32F105R8T6 includes 3 general-purpose timers and 1 basic timer. What communication protocols are supported by STM32F105R8T6? It supports USART, SPI, I2C, and CAN protocols. Does STM32F105R8T6 support DMA? Yes, it supports Direct Memory Access (DMA) for faster data transfer. Is STM32F105R8T6 suitable for industrial control? Yes, it is widely used in industrial control systems due to its high performance and robust I/O capabilities. What is the maximum temperature rating of STM32F105R8T6? STM32F105R8T6 operates within a temperature range of -40°C to +85°C.This explanation provides detailed pin functions and a comprehensive FAQ section. Let me know if you need further clarifications!
