STM32F042C6T6 Detailed explanation of pin function specifications and circuit principle instructions

STM32F042C6T6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32F042C6T6 is a microcontroller from the STM32 family produced by STMicroelectronics. It features an ARM Cortex-M0 processor and is widely used for embedded systems applications due to its low Power consumption, flexibility, and ease of use.

Pinout Description of STM32F042C6T6

Package Type: LQFP (Low-profile Quad Flat Package) 48 pins

Below is a detailed table of the pin functions for the STM32F042C6T6 (48-pin LQFP package), describing each pin in terms of its possible functionality. Each pin has multiple functions depending on the configuration.

Pin Function Table:

Pin Number Pin Name Function Description 1 VSS Ground (GND). 2 VDDA Analog supply voltage for the ADC and DAC circuits. 3 PA13 SWDIO (Serial Wire Debug Input/Output). 4 PA14 SWCLK (Serial Wire Clock ). 5 PA15 GPIO (General-purpose Input/Output), also used for external interrupt. 6 PB3 GPIO, SPI1SCK (SPI Clock), TIM2CH2 (Timer 2 Channel 2). 7 PB4 GPIO, SPI1MISO (SPI Master In Slave Out), TIM2CH3 (Timer 2 Channel 3). 8 PB5 GPIO, SPI1MOSI (SPI Master Out Slave In), TIM2CH1 (Timer 2 Channel 1). 9 PB6 GPIO, I2C1SCL (I2C Clock), TIM4CH1 (Timer 4 Channel 1). 10 PB7 GPIO, I2C1SDA (I2C Data), TIM4CH2 (Timer 4 Channel 2). 11 PC13 GPIO, EXTI (External Interrupt), DEBUG_SWV. 12 PC14 GPIO, OSC32_IN (External 32 kHz Oscillator Input). 13 PC15 GPIO, OSC32_OUT (External 32 kHz Oscillator Output). 14 VSSA Analog ground. 15 PA0 GPIO, ADC1IN0 (ADC Input 0), TIM2CH1 (Timer 2 Channel 1). 16 PA1 GPIO, ADC1IN1 (ADC Input 1), TIM2CH2 (Timer 2 Channel 2). 17 PA2 GPIO, USART2TX (USART2 Transmit), TIM2CH3 (Timer 2 Channel 3). 18 PA3 GPIO, USART2RX (USART2 Receive), TIM2CH4 (Timer 2 Channel 4). 19 PA4 GPIO, SPI1NSS (SPI Chip Select), TIM3CH1 (Timer 3 Channel 1). 20 PA5 GPIO, SPI1SCK (SPI Clock), TIM2CH1 (Timer 2 Channel 1). 21 PA6 GPIO, SPI1MISO (SPI Master In Slave Out), TIM3CH2 (Timer 3 Channel 2). 22 PA7 GPIO, SPI1MOSI (SPI Master Out Slave In), TIM3CH3 (Timer 3 Channel 3). 23 PB0 GPIO, I2C1SDA (I2C Data), USART2RX (USART2 Receive). 24 PB1 GPIO, I2C1SCL (I2C Clock), USART2TX (USART2 Transmit). 25 PB8 GPIO, I2C1SDA (I2C Data), SPI2SCK (SPI Clock), TIM4_CH3 (Timer 4 Channel 3). 26 PB9 GPIO, I2C1SCL (I2C Clock), SPI2MISO (SPI Master In Slave Out), TIM4_CH4 (Timer 4 Channel 4). 27 PC0 GPIO, ADC1IN10 (ADC Input 10), TIM3CH4 (Timer 3 Channel 4). 28 PC1 GPIO, ADC1IN11 (ADC Input 11), TIM3ETR (Timer 3 External Trigger). 29 PC2 GPIO, ADC1_IN12 (ADC Input 12). 30 PC3 GPIO, ADC1_IN13 (ADC Input 13). 31 PC4 GPIO, ADC1_IN14 (ADC Input 14). 32 PC5 GPIO, ADC1_IN15 (ADC Input 15). 33 VDD Power supply voltage. 34 NRST Reset pin. 35 PA8 GPIO, Timer 1 Channel 1, USBFSSOF (USB Start of Frame). 36 PA9 GPIO, USART1TX (USART1 Transmit), USBFS_DP (USB Data +). 37 PA10 GPIO, USART1RX (USART1 Receive), USBFS_DM (USB Data -). 38 PA11 GPIO, USBFSID (USB ID Pin). 39 PA12 GPIO, USBFSDM (USB Data -). 40 PA13 GPIO, SWDIO (Serial Wire Debug Input/Output). 41 PA14 GPIO, SWCLK (Serial Wire Clock). 42 PB0 GPIO, USART2_TX (USART2 Transmit). 43 PB1 GPIO, USART2_RX (USART2 Receive). 44 PB2 GPIO, SPI1SCK (SPI Clock), TIM2CH2 (Timer 2 Channel 2). 45 PB3 GPIO, SPI1MISO (SPI Master In Slave Out), TIM2CH3 (Timer 2 Channel 3). 46 PB4 GPIO, SPI1MOSI (SPI Master Out Slave In), TIM2CH1 (Timer 2 Channel 1). 47 PB5 GPIO, SPI1MOSI (SPI Master Out Slave In), TIM2CH1 (Timer 2 Channel 1). 48 PB6 GPIO, I2C1SCL (I2C Clock), TIM4CH1 (Timer 4 Channel 1).

20 FAQ for STM32F042C6T6:

FAQ 1: What is the maximum clock speed of the STM32F042C6T6?

Q: What is the maximum clock speed of STM32F042C6T6? A: The STM32F042C6T6 operates with a maximum clock speed of 48 MHz.

FAQ 2: What is the flash memory size of STM32F042C6T6?

Q: How much flash memory is available in STM32F042C6T6? A: The STM32F042C6T6 has 32KB of flash memory.

FAQ 3: How much RAM is available in STM32F042C6T6?

Q: How much SRAM is available in STM32F042C6T6? A: The STM32F042C6T6 has 6KB of SRAM.

FAQ 4: How many I/O pins are available in STM32F042C6T6?

Q: How many I/O pins are provided on STM32F042C6T6? A: The STM32F042C6T6 has 37 I/O pins.

FAQ 5: Can the STM32F042C6T6 be used in USB applications?

Q: Can I use STM32F042C6T6 for USB device applications? A: Yes, STM32F042C6T6 supports USB 2.0 full-speed (12 Mbps) functionality.

FAQ 6: What is the operating voltage range of STM32F042C6T6?

Q: What is the operating voltage range for STM32F042C6T6? A: The STM32F042C6T6 operates in the range of 2.0V to 3.6V.

FAQ 7: What peripherals are available in STM32F042C6T6?

Q: What peripherals are supported by STM32F042C6T6? A: STM32F042C6T6 supports I2C, SPI, UART, ADC, and timers.

FAQ 8: How many PWM channels are available in STM32F042C6T6?

Q: Does STM32F042C6T6 support PWM output? A: Yes, it supports up to 12 PWM channels using its timers.

FAQ 9: What is the temperature range for STM32F042C6T6?

Q: What is the operating temperature range of STM32F042C6T6? A: The operating temperature range is -40°C to +85°C.

FAQ 10: Can I interface with external sensors using STM32F042C6T6?

Q: Can STM32F042C6T6 be used to interface with external sensors? A: Yes, it has ADC channels to interface with external analog sensors.

FAQ 11: Is STM32F042C6T6 suitable for low-power applications?

Q: Is STM32F042C6T6 power efficient for low-power applications? A: Yes, it offers various low-power modes including Sleep, Stop, and Standby modes.

FAQ 12: What type of debugging interface does STM32F042C6T6 support?

Q: How can I debug the STM32F042C6T6? A: STM32F042C6T6 supports SWD (Serial Wire Debug) interface for debugging.

FAQ 13: What is the maximum current that the I/O pins of STM32F042C6T6 can handle?

Q: How much current can the I/O pins on STM32F042C6T6 handle? A: The I/O pins can source or sink a maximum of 25mA.

FAQ 14: Does STM32F042C6T6 support DMA?

Q: Can STM32F042C6T6 perform direct memory access (DMA)? A: Yes, STM32F042C6T6 supports DMA for data transfer.

FAQ 15: How many external interrupts are available in STM32F042C6T6?

Q: How many external interrupts can STM32F042C6T6 handle? A: STM32F042C6T6 has 16 external interrupt pins.

FAQ 16: Can I use STM32F042C6T6 in automotive applications?

Q: Is STM32F042C6T6 suitable for automotive applications? A: It is not designed specifically for automotive-grade temperatures but can be used in less demanding environments.

FAQ 17: Can STM32F042C6T6 communicate with other devices over SPI?

Q: Can STM32F042C6T6 communicate using SPI protocol? A: Yes, STM32F042C6T6 supports SPI communication.

FAQ 18: Does STM32F042C6T6 have a bootloader?

Q: Does STM32F042C6T6 have an integrated bootloader? A: Yes, STM32F042C6T6 features a built-in system bootloader for firmware updates via USART and USB.

FAQ 19: Is STM32F042C6T6 compatible with Arduino?

Q: Can I use STM32F042C6T6 with the Arduino IDE? A: STM32F042C6T6 is compatible with STM32CubeIDE and other STM32 development environments, but it is not directly supported by the Arduino IDE.

FAQ 20: How do I power the STM32F042C6T6?

Q: What is the recommended power supply for STM32F042C6T6? A: STM32F042C6T6 requires a stable 3.3V power supply.

This table and FAQ provide a detailed overview of the STM32F042C6T6 and its features. Let me know if you need further clarifications!