The STM32F402RCT6 is a microcontroller produced by STMicroelectronics, which is one of the leading semiconductor manufacturers. This specific model is part of the STM32 family, based on the ARM Cortex-M4 core with an FPU (Floating Point Unit). Below is a detailed explanation of the pin functions and other requested specifications.
1. Package Information and Pinout
The STM32F402RCT6 microcontroller comes in a LQFP-64 (Low-profile Quad Flat Package with 64 pins). The details of the pinout and their respective functions are as follows:
Pin Count: 64 Pins Package Type: LQFP (Low-profile Quad Flat Package) Voltage Range: 2.0V to 3.6V Core: ARM Cortex-M4 Frequency: Up to 168 MHz Pinout Table for STM32F402RCT6 (LQFP-64) Pin Function Pin Function Pin Function Pin Function 1 VDD 2 VSS 3 PA13 (SWDIO) 4 PA14 (SWCLK) 5 PA15 (JTDI) 6 PB3 (BOOT0) 7 PB4 (N/C) 8 PB5 (SCK) 9 PB6 (MISO) 10 PB7 (MOSI) 11 PB8 (I2C1_SCL) 12 PB9 (I2C1_SDA) 13 PC0 (TDO) 14 PC1 (TDI) 15 PC2 (TMS) 16 PC3 (TCK) 17 PC4 (VREF+) 18 PC5 (VREF-) 19 PC6 (USART1_TX) 20 PC7 (USART1_RX) 21 PD0 (SPI1_NSS) 22 PD1 (SPI1_SCK) 23 PD2 (SPI1_MISO) 24 PD3 (SPI1_MOSI) 25 PD4 (I2C2_SCL) 26 PD5 (I2C2_SDA) 27 PD6 (USART2_TX) 28 PD7 (USART2_RX) 29 PE0 (ADC1_IN0) 30 PE1 (ADC1_IN1) 31 PE2 (ADC1_IN2) 32 PE3 (ADC1_IN3) 33 PE4 (ADC1_IN4) 34 PE5 (ADC1_IN5) 35 PE6 (ADC1_IN6) 36 PE7 (ADC1_IN7) 37 PE8 (ADC1_IN8) 38 PE9 (ADC1_IN9) 39 PE10 (ADC1_IN10) 40 PE11 (ADC1_IN11) 41 PE12 (ADC1_IN12) 42 PE13 (ADC1_IN13) 43 PE14 (ADC1_IN14) 44 PE15 (ADC1_IN15) 45 PF0 (DAC_OUT1) 46 PF1 (DAC_OUT2) 47 PF2 (I2C3_SCL) 48 PF3 (I2C3_SDA) 49 PF4 (USART3_TX) 50 PF5 (USART3_RX) 51 PF6 (USART3_RTS) 52 PF7 (USART3_CTS) 53 PF8 (TIMER2_CH1) 54 PF9 (TIMER2_CH2) 55 PF10 (TIMER2_CH3) 56 PF11 (TIMER2_CH4) 57 PF12 (TIM3_CH1) 58 PF13 (TIM3_CH2) 59 PF14 (TIM3_CH3) 60 PF15 (TIM3_CH4) 61 VDD 62 VSS 63 NC (No Connection) 64 NC (No Connection)2. Pin Function Descriptions
VDD and VSS: Power supply and ground pins for the STM32F402RCT6. PA13 (SWDIO) / PA14 (SWCLK): These are used for the Serial Wire Debug (SWD) interface . PA13 is the Data I/O, while PA14 is the Clock . PA15 (JTDI): This pin is used for the JTAG interface, which provides access for debugging. PB0-PB15: These pins serve various functions, including GPIO (General Purpose Input/Output), communication (SPI, UART), and control (PWM, ADC, etc.). PC0-PC15: These are also general-purpose I/O pins, but some are specialized for functions like ADC, UART, or timers. PD0-PD15: These pins serve as I/O or specialized functions like SPI, I2C, UART, and timers. PE0-PE15: These are used for ADC inputs (PE0 to PE15), with PE0-PE15 being connected to different analog channels. PF0-PF15: These pins are dedicated to specialized functions like DAC output, ADC inputs, and timer control signals.3. Frequently Asked Questions (FAQ)
What is the voltage range of the STM32F402RCT6? The STM32F402RCT6 operates within a voltage range of 2.0V to 3.6V. How many I/O pins does the STM32F402RCT6 have? The STM32F402RCT6 has a total of 64 I/O pins in the LQFP-64 package. Can the STM32F402RCT6 be used for PWM output? Yes, the STM32F402RCT6 supports PWM output on several pins via timers. Does the STM32F402RCT6 support I2C communication? Yes, it has I2C1 and I2C2 interfaces available on several pins for communication. What is the maximum clock frequency of STM32F402RCT6? The STM32F402RCT6 can run at a maximum frequency of 168 MHz. How many ADC channels are available on STM32F402RCT6? The STM32F402RCT6 has up to 16 ADC channels (ADC1IN0 to ADC1IN15). What type of memory does STM32F402RCT6 have? It features 512 KB of Flash memory and 128 KB of SRAM. Can STM32F402RCT6 be used for USB communication? Yes, the STM32F402RCT6 supports USB 2.0 full-speed communication. Is STM32F402RCT6 compatible with JTAG? Yes, STM32F402RCT6 supports JTAG and SWD interfaces for debugging.What are the timer capabilities of STM32F402RCT6?
It has multiple timers, including advanced-control timers and general-purpose timers for PWM, input capture, and output compare.Does STM32F402RCT6 support external interrupts?
Yes, it supports external interrupts and can be configured for edge or level-triggered interrupts.What is the power consumption of STM32F402RCT6?
The power consumption depends on the operating frequency and peripherals used, but it is optimized for low-power operation.Can STM32F402RCT6 be programmed in C or C++?
Yes, STM32F402RCT6 can be programmed using both C and C++ with the STM32CubeIDE or Keil uVision.What is the maximum output current for GPIO pins?
The GPIO pins can provide a maximum of 25 mA per pin, with a total limit across all pins.Is STM32F402RCT6 suitable for motor control applications?
Yes, it can be used for motor control due to its multiple timers and PWM capabilities.What is the resolution of the ADC in STM32F402RCT6?
The STM32F402RCT6 has a 12-bit ADC resolution.What is the size of Flash memory in STM32F402RCT6?
The STM32F402RCT6 has 512 KB of Flash memory.Does STM32F402RCT6 have hardware encryption?
Yes, it has hardware support for AES (Advanced Encryption Standard) encryption.How does STM32F402RCT6 handle power management?
It features various low-power modes, including Sleep, Stop, and Standby modes for efficient power management.Is the STM32F402RCT6 suitable for automotive applications?
Yes, the STM32F402RCT6 can be used in automotive applications with its wide voltage range and robust performance.This overview provides a comprehensive understanding of the STM32F402RCT6 microcontroller, including detailed pin functionality and typical questions users may have.
