STM32F446RET6 Detailed explanation of pin function specifications and circuit principle instructions

STM32F446RET6 Detailed explanation of pin function specifications and circuit principle instructions

The model "STM32F446RET6" is part of the STM32 family, a series of 32-bit microcontrollers from STMicroelectronics. The STM32 family is known for its high performance, low Power consumption, and rich peripheral features.

Package Type and Pinout Information for STM32F446RET6:

Package Type: The "STM32F446RET6" comes in a LQFP-64 (Low-profile Quad Flat Package) with 64 pins.

STM32F446RET6 Pin Function Specification (64 pins):

The pinout details provide a comprehensive breakdown of all pin functions, which include power pins, input/output pins, peripheral interface s, analog functions, and more. Below is a detailed listing of the pin functions for the STM32F446RET6 in the LQFP-64 package:

Pinout Diagram: VDD (Pin 1): Power Supply VSS (Pin 2): Ground VDDIO2 (Pin 3): Power Supply for IOs VSSIO2 (Pin 4): Ground for IOs NRST (Pin 5): Reset Pin BOOT0 (Pin 6): Boot Mode Selection PA0 (Pin 7): GPIO, Analog, TIM2_CH1, EXTI Line0 PA1 (Pin 8): GPIO, Analog, TIM2_CH2, EXTI Line1 PA2 (Pin 9): GPIO, Analog, TIM2_CH3, EXTI Line2 PA3 (Pin 10): GPIO, Analog, TIM2_CH4, EXTI Line3 PA4 (Pin 11): GPIO, Analog, SPI1_NSS, EXTI Line4 PA5 (Pin 12): GPIO, Analog, SPI1_SCK, EXTI Line5 PA6 (Pin 13): GPIO, Analog, SPI1_MISO, EXTI Line6 PA7 (Pin 14): GPIO, Analog, SPI1_MOSI, EXTI Line7 PA8 (Pin 15): GPIO, Analog, USART1_TX, EXTI Line8 PA9 (Pin 16): GPIO, Analog, USART1_RX, EXTI Line9 PA10 (Pin 17): GPIO, Analog, USART1_CK, EXTI Line10 PA11 (Pin 18): GPIO, Analog, USART1_RTS, EXTI Line11 PA12 (Pin 19): GPIO, Analog, USART1_CTS, EXTI Line12 PA13 (Pin 20): GPIO, Analog, JTAG_TDI, EXTI Line13 PA14 (Pin 21): GPIO, Analog, JTAG_TDO, EXTI Line14 PA15 (Pin 22): GPIO, Analog, JTAG_TMS, EXTI Line15 PB0 (Pin 23): GPIO, Analog, TIM3_CH3, EXTI Line16 PB1 (Pin 24): GPIO, Analog, TIM3_CH4, EXTI Line17 PB2 (Pin 25): GPIO, Analog, TIM3_CH1, EXTI Line18 PB3 (Pin 26): GPIO, Analog, TIM3_CH2, EXTI Line19 PB4 (Pin 27): GPIO, Analog, I2C1_SCL, EXTI Line20 PB5 (Pin 28): GPIO, Analog, I2C1_SDA, EXTI Line21 PB6 (Pin 29): GPIO, Analog, SPI2_NSS, EXTI Line22 PB7 (Pin 30): GPIO, Analog, SPI2_SCK, EXTI Line23 PB8 (Pin 31): GPIO, Analog, SPI2_MISO, EXTI Line24 PB9 (Pin 32): GPIO, Analog, SPI2_MOSI, EXTI Line25 PB10 (Pin 33): GPIO, Analog, USART3_TX, EXTI Line26 PB11 (Pin 34): GPIO, Analog, USART3_RX, EXTI Line27 PB12 (Pin 35): GPIO, Analog, SPI3_NSS, EXTI Line28 PB13 (Pin 36): GPIO, Analog, SPI3_SCK, EXTI Line29 PB14 (Pin 37): GPIO, Analog, SPI3_MISO, EXTI Line30 PB15 (Pin 38): GPIO, Analog, SPI3_MOSI, EXTI Line31 PC13 (Pin 39): GPIO, Analog, TMS, EXTI Line32 PC14 (Pin 40): GPIO, Analog, TCK, EXTI Line33 PC15 (Pin 41): GPIO, Analog, JTDI, EXTI Line34 PD0 (Pin 42): GPIO, Analog, TIM4_CH1, EXTI Line35 PD1 (Pin 43): GPIO, Analog, TIM4_CH2, EXTI Line36 PD2 (Pin 44): GPIO, Analog, TIM4_CH3, EXTI Line37 PD3 (Pin 45): GPIO, Analog, TIM4_CH4, EXTI Line38 PD4 (Pin 46): GPIO, Analog, I2C2_SCL, EXTI Line39 PD5 (Pin 47): GPIO, Analog, I2C2_SDA, EXTI Line40 PD6 (Pin 48): GPIO, Analog, USART2_TX, EXTI Line41 PD7 (Pin 49): GPIO, Analog, USART2_RX, EXTI Line42 PD8 (Pin 50): GPIO, Analog, USART2_CK, EXTI Line43 PD9 (Pin 51): GPIO, Analog, USART2_RTS, EXTI Line44 PD10 (Pin 52): GPIO, Analog, USART2_CTS, EXTI Line45 PE0 (Pin 53): GPIO, Analog, TIM5_CH1, EXTI Line46 PE1 (Pin 54): GPIO, Analog, TIM5_CH2, EXTI Line47 PE2 (Pin 55): GPIO, Analog, TIM5_CH3, EXTI Line48 PE3 (Pin 56): GPIO, Analog, TIM5_CH4, EXTI Line49 PE4 (Pin 57): GPIO, Analog, SPI4_NSS, EXTI Line50 PE5 (Pin 58): GPIO, Analog, SPI4_SCK, EXTI Line51 PE6 (Pin 59): GPIO, Analog, SPI4_MISO, EXTI Line52 PE7 (Pin 60): GPIO, Analog, SPI4_MOSI, EXTI Line53 PE8 (Pin 61): GPIO, Analog, USART4_TX, EXTI Line54 PE9 (Pin 62): GPIO, Analog, USART4_RX, EXTI Line55 PE10 (Pin 63): GPIO, Analog, USART4_CK, EXTI Line56 PE11 (Pin 64): GPIO, Analog, USART4_RTS, EXTI Line57

20 Common FAQ for STM32F446RET6:

Q: What is the voltage supply range for STM32F446RET6? A: The STM32F446RET6 operates within a voltage range of 2.0V to 3.6V for the core voltage and 2.0V to 3.6V for IO voltage. Q: How many GPIO pins are available in STM32F446RET6? A: STM32F446RET6 offers a total of 64 GPIO pins, with various functionalities like analog, digital input/output, and specialized peripherals. Q: How is the reset function handled in STM32F446RET6? A: The NRST pin (Pin 5) is used for the reset function and can reset the microcontroller to its initial state. Q: Can STM32F446RET6 support I2C communication? A: Yes, STM32F446RET6 supports I2C1 and I2C2 for serial communication using Pins PB6-PB7 and PD4-PD5 respectively. Q: Which pins support USART communication in STM32F446RET6? A: USART communication is supported on several pins, including PA9 (TX), PA10 (RX), PB10 (TX), PB11 (RX), and PD6 (TX), PD7 (RX). Q: Does STM32F446RET6 have an internal temperature sensor? A: Yes, STM32F446RET6 has an internal temperature sensor that can be read through the ADC channel. Q: How do I configure STM32F446RET6 in low power mode? A: STM32F446RET6 supports multiple low-power modes including Sleep, Stop, and Standby modes, which can be configured via registers. Q: Can STM32F446RET6 support PWM outputs? A: Yes, STM32F446RET6 has several PWM-capable pins tied to the TIM2, TIM3, TIM4, and TIM5 timers. Q: How many SPI peripherals are supported by STM32F446RET6? A: STM32F446RET6 supports up to 3 SPI peripherals (SPI1, SPI2, SPI3), allowing flexible communication options. Q: How is external Memory interfacing managed in STM32F446RET6? A: STM32F446RET6 supports external memory interfacing through the FSMC (Flexible Static Memory Controller). Q: Does STM32F446RET6 support DMA? A: Yes, STM32F446RET6 has a DMA controller to offload data transfer tasks from the CPU. Q: What is the maximum clock frequency for STM32F446RET6? A: The STM32F446RET6 can operate at a maximum clock frequency of 180 MHz. Q: Does STM32F446RET6 have a watchdog timer? A: Yes, STM32F446RET6 includes an independent watchdog (IWDG) and a window watchdog (WWDG) for system reliability. Q: Can I use STM32F446RET6 in real-time applications? A: Yes, STM32F446RET6 is ideal for real-time applications, offering real-time clock (RTC) and high-performance timers. Q: How is debugging handled on STM32F446RET6? A: Debugging on STM32F446RET6 can be done using SWD (Serial Wire Debug) or JTAG. Q: Does STM32F446RET6 support USB communication? A: Yes, STM32F446RET6 supports USB 2.0 full-speed communication via its USB OTG peripheral. Q: How do I configure external interrupts on STM32F446RET6? A: External interrupts can be configured using the EXTI (External Interrupt) lines associated with various pins. Q: Can I connect multiple devices to the STM32F446RET6 via I2S? A: Yes, STM32F446RET6 has I2S interfaces for audio and digital signal processing. Q: What are the available timers in STM32F446RET6? A: STM32F446RET6 includes several timers: TIM2, TIM3, TIM4, TIM5, TIM6, TIM7, for various applications such as PWM, input capture, output compare. Q: Does STM32F446RET6 have an internal oscillator? A: Yes, STM32F446RET6 has an internal 16 MHz RC oscillator as well as the option to use external crystals or oscillators.

This breakdown of pin functions and FAQs provides a comprehensive overview for better understanding and application of the STM32F446RET6 microcontroller.