STM32F103 R8T6 Detailed explanation of pin function specifications and circuit principle instructions

The model " STM32F103R8T6 " belongs to the STM32 series of microcontrollers developed by STMicroelectronics. This specific model is part of the STM32F1 series which is known for its low- Power , high-performance ARM Cortex-M3-based microcontrollers.

Packaging Details

The STM32F103R8T6 typically comes in a LQFP-48 (Low-Profile Quad Flat Package), which contains 48 pins. This type of package is designed to provide a low-profile configuration for mounting on printed circuit boards (PCBs).

Pin Functionality Details

Below is a detailed list of all the pin functions for the STM32F103R8T6 with a 48-pin package.

Pin Number Pin Name Function Description 1 PA0 GPIO, Analog Input, External Interrupt 0 2 PA1 GPIO, Analog Input, External Interrupt 1 3 PA2 GPIO, Analog Input, External Interrupt 2 4 PA3 GPIO, Analog Input, External Interrupt 3 5 PA4 GPIO, Analog Input, External Interrupt 4 6 PA5 GPIO, Analog Input, External Interrupt 5 7 PA6 GPIO, Analog Input, External Interrupt 6 8 PA7 GPIO, Analog Input, External Interrupt 7 9 PB0 GPIO, External Interrupt 8 10 PB1 GPIO, External Interrupt 9 11 PB2 GPIO, External Interrupt 10 12 PB3 GPIO, External Interrupt 11 13 PB4 GPIO, External Interrupt 12 14 PB5 GPIO, External Interrupt 13 15 PB6 GPIO, External Interrupt 14 16 PB7 GPIO, External Interrupt 15 17 PC13 GPIO, External Interrupt 16 18 PC14 GPIO, Analog Input 19 PC15 GPIO, Analog Input 20 PD0 GPIO, UART4_RX 21 PD1 GPIO, UART4_TX 22 PD2 GPIO, UART3_RX 23 PD3 GPIO, UART3_TX 24 PD4 GPIO, SPI1_NSS 25 PD5 GPIO, SPI1_SCK 26 PD6 GPIO, SPI1_MISO 27 PD7 GPIO, SPI1_MOSI 28 PE0 GPIO, External Interrupt 17 29 PE1 GPIO, External Interrupt 18 30 PE2 GPIO, External Interrupt 19 31 PE3 GPIO, External Interrupt 20 32 PE4 GPIO, External Interrupt 21 33 PE5 GPIO, External Interrupt 22 34 PE6 GPIO, External Interrupt 23 35 PE7 GPIO, External Interrupt 24 36 PF0 GPIO, Analog Input 37 PF1 GPIO, Analog Input 38 PF2 GPIO, Analog Input 39 PF3 GPIO, Analog Input 40 PF4 GPIO, Analog Input 41 PF5 GPIO, Analog Input 42 PF6 GPIO, Analog Input 43 PF7 GPIO, Analog Input 44 VSS Ground Pin 45 VDD Power Supply Pin 46 NRST Reset Pin 47 BOOT0 Boot Configuration Pin 48 VCAP Capacitor for Voltage Regulator

FAQ for STM32F103R8T6

Q: What is the core architecture of the STM32F103R8T6? A: The STM32F103R8T6 is based on the ARM Cortex-M3 core.

Q: How many GPIO pins are available on the STM32F103R8T6? A: The STM32F103R8T6 has a total of 48 GPIO pins.

Q: What is the maximum clock frequency of STM32F103R8T6? A: The STM32F103R8T6 operates with a maximum clock frequency of 72 MHz.

Q: What are the power supply requirements for STM32F103R8T6? A: The STM32F103R8T6 requires a 3.3V supply and can operate in a voltage range from 2.0V to 3.6V.

Q: Does the STM32F103R8T6 support external interrupts? A: Yes, the STM32F103R8T6 supports multiple external interrupts on many pins.

Q: Can the STM32F103R8T6 be used for USB communication? A: No, the STM32F103R8T6 does not include a USB controller.

Q: What kind of communication interface s are supported on STM32F103R8T6? A: The STM32F103R8T6 supports UART, SPI, I2C, and CAN interfaces.

Q: Does the STM32F103R8T6 have an internal voltage regulator? A: Yes, the STM32F103R8T6 has an integrated voltage regulator to ensure stable power supply.

Q: What is the temperature range for the STM32F103R8T6? A: The STM32F103R8T6 operates within a temperature range of -40°C to 85°C.

Q: How much flash Memory is available in STM32F103R8T6? A: The STM32F103R8T6 has 64KB of flash memory.

Q: How much SRAM does the STM32F103R8T6 have? A: The STM32F103R8T6 has 20KB of SRAM.

Q: Can I use the STM32F103R8T6 for motor control applications? A: Yes, STM32F103R8T6 is suitable for motor control with its PWM outputs.

Q: What is the resolution of the ADC in STM32F103R8T6? A: The STM32F103R8T6 features a 12-bit ADC.

Q: Does STM32F103R8T6 support DMA? A: Yes, the STM32F103R8T6 supports Direct Memory Access (DMA).

Q: Can STM32F103R8T6 be programmed using the Arduino IDE? A: Yes, STM32F103R8T6 can be programmed using the Arduino IDE with appropriate libraries and tools.

Q: How many timers does STM32F103R8T6 support? A: The STM32F103R8T6 supports 3 general-purpose timers.

Q: What is the maximum current output for the GPIO pins on STM32F103R8T6? A: Each GPIO pin on STM32F103R8T6 can source or sink up to 20mA.

Q: What kind of boot options does STM32F103R8T6 have? A: The STM32F103R8T6 supports boot from Flash, System Memory, or SRAM, selected via the BOOT0 pin.

Q: How can I debug the STM32F103R8T6? A: STM32F103R8T6 can be debugged using the SWD (Serial Wire Debug) interface.

Q: Can I use STM32F103R8T6 for battery-powered applications? A: Yes, STM32F103R8T6 is suitable for battery-powered applications due to its low-power features.

This should cover the detailed pin descriptions, their functionalities, and some of the most frequently asked questions about the STM32F103R8T6.