The STM32F103RCT7 is part of the STM32F1 series developed by STMicroelectronics. This family of microcontrollers is based on the ARM Cortex-M3 core, offering a balanced combination of performance, low Power consumption, and a wide variety of peripherals.
Packaging and Pin Count:
Package Type: LQFP (Low-profile Quad Flat Package) Pin Count: 64 pins (for STM32F103RCT7)Pinout Function Specification:
Here's a detailed breakdown of the pin functions for the STM32F103RCT7 (64-pin LQFP package). Each pin can serve multiple functions depending on the configuration. The full list includes power, ground, GPIO, analog, and specific function pins. Below is a summary of the pins with descriptions for their primary functionality.
Pin No. Pin Name Function Description 1 VSS Ground 2 VDD Power supply (3.3V) 3 NRST External Reset 4 PA13 SWDIO (Serial Wire Debug Data Input/Output) 5 PA14 SWCLK (Serial Wire Clock ) 6 PA15 JTDI (JTAG Data In) 7 PB0 GPIO, TIM3CH3, ADC1IN8 8 PB1 GPIO, TIM3CH4, ADC1IN9 9 PB2 GPIO, SPI1SCK, TIM3CH1 10 PB3 GPIO, SPI1MISO, TIM3CH2 11 PB4 GPIO, SPI1MOSI, TIM3CH3 12 PB5 GPIO, SPI1SCK, TIM3CH4 13 PB6 GPIO, I2C1SCL, TIM4CH1 14 PB7 GPIO, I2C1SDA, TIM4CH2 15 PC13 GPIO, EXTI Line 13 16 PC14 OSC32_IN 17 PC15 OSC32_OUT 18 PD0 GPIO, USART2_TX 19 PD1 GPIO, USART2_RX 20 PD2 GPIO, USART2_RTS 21 PD3 GPIO, USART2_CTS 22 PA0 GPIO, ADC1_IN0 23 PA1 GPIO, ADC1_IN1 24 PA2 GPIO, USART2_TX 25 PA3 GPIO, USART2_RX 26 PA4 GPIO, SPI1_NSS 27 PA5 GPIO, SPI1_SCK 28 PA6 GPIO, SPI1_MISO 29 PA7 GPIO, SPI1_MOSI 30 PB8 GPIO, TIM4_CH3 31 PB9 GPIO, TIM4_CH4 32 PB10 GPIO, I2C1_SCL 33 PB11 GPIO, I2C1_SDA 34 PB12 GPIO, CAN1_RX 35 PB13 GPIO, CAN1_TX 36 PB14 GPIO, USART1_TX 37 PB15 GPIO, USART1_RX 38 PC0 GPIO, ADC1_IN10 39 PC1 GPIO, ADC1_IN11 40 PC2 GPIO, ADC1_IN12 41 PC3 GPIO, ADC1_IN13 42 PC4 GPIO, ADC1_IN14 43 PC5 GPIO, ADC1_IN15 44 PC6 GPIO, TIM3_CH1 45 PC7 GPIO, TIM3_CH2 46 PC8 GPIO, USART1_TX 47 PC9 GPIO, USART1_RX 48 PD4 GPIO, SPI2_NSS 49 PD5 GPIO, SPI2_SCK 50 PD6 GPIO, SPI2_MISO 51 PD7 GPIO, SPI2_MOSI 52 PD8 GPIO, I2C2_SCL 53 PD9 GPIO, I2C2_SDA 54 PD10 GPIO, TIM3_CH4 55 PD11 GPIO, CAN1_RX 56 PD12 GPIO, CAN1_TX 57 PD13 GPIO, USART2_TX 58 PD14 GPIO, USART2_RX 59 PD15 GPIO, USART2_CTS 60 PE0 GPIO, I2C2_SDA 61 PE1 GPIO, I2C2_SCL 62 PE2 GPIO, USART3_TX 63 PE3 GPIO, USART3_RX 64 PE4 GPIO, USART3_RTS20 FAQ for STM32F103RCT7:
Q: What is the operating voltage range of the STM32F103RCT7? A: The STM32F103RCT7 operates within a voltage range of 2.0V to 3.6V.
Q: How many GPIO pins does the STM32F103RCT7 have? A: The STM32F103RCT7 has 37 GPIO pins.
Q: What is the maximum clock speed of the STM32F103RCT7? A: The STM32F103RCT7 has a maximum clock speed of 72 MHz.
Q: How many timers are available in the STM32F103RCT7? A: The STM32F103RCT7 has 4 general-purpose timers and 1 advanced-control timer.
Q: Can I use the STM32F103RCT7 for motor control applications? A: Yes, the STM32F103RCT7 can be used for motor control applications, as it supports PWM and advanced timers.
Q: Does the STM32F103RCT7 have built-in ADCs? A: Yes, the STM32F103RCT7 has a 12-bit ADC with up to 16 channels.
Q: Can I use the STM32F103RCT7 with SPI devices? A: Yes, the STM32F103RCT7 supports SPI communication on multiple pins (PA5, PA6, PA7).
Q: How many UARTs are available on the STM32F103RCT7? A: The STM32F103RCT7 has 3 UARTs (USART1, USART2, USART3).
Q: Does the STM32F103RCT7 support I2C communication? A: Yes, the STM32F103RCT7 supports I2C communication on pins PB6, PB7 (I2C1) and PB10, PB11 (I2C2).
Q: Can the STM32F103RCT7 be used in automotive applications? A: Yes, the STM32F103RCT7 is robust and can be used in automotive applications, though it requires careful temperature consideration.
Q: What is the memory size of the STM32F103RCT7? A: The STM32F103RCT7 has 256KB of flash memory and 48KB of SRAM.
Q: How many external interrupt lines are supported on the STM32F103RCT7? A: The STM32F103RCT7 supports 16 external interrupt lines.
Q: Can the STM32F103RCT7 handle USB communication? A: No, the STM32F103RCT7 does not have a USB interface .
Q: What debugging features does the STM32F103RCT7 support? A: It supports JTAG, SWD, and Serial Wire Debug (SWDIO, SWCLK) for debugging.
Q: Can I use STM32F103RCT7 in battery-powered devices? A: Yes, the STM32F103RCT7 is power-efficient and can be used in battery-powered applications.
Q: What is the operating temperature range of STM32F103RCT7? A: The typical operating temperature range is -40°C to 85°C.
Q: Can I use the STM32F103RCT7 with capacitive touch sensing? A: Yes, it can support capacitive touch sensing applications with external sensors.
Q: How many DMA channels does the STM32F103RCT7 have? A: The STM32F103RCT7 has 7 DMA channels.
Q: Does STM32F103RCT7 support CAN communication? A: Yes, the STM32F103RCT7 has support for CAN communication on pins PB12 and PB13.
Q: What is the maximum output current per GPIO pin on STM32F103RCT7? A: Each GPIO pin can source or sink up to 25mA.
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