STM32L471VET6 Detailed explanation of pin function specifications and circuit principle instructions

The "STM32L471VET6" is a microcontroller from the STM32L4 series, which is part of STMicroelectronics. This series is designed for ultra-low- Power applications while maintaining high performance, and it is based on ARM Cortex-M4 cores.

Packaging and Pin Function Specifications:

The STM32L471VET6 comes in a LQFP (Low-profile Quad Flat Package) with a 100-pin configuration. This package type is commonly used for applications where moderate space constraints exist but still requires a considerable number of I/O pins. Let's break down the detailed pin function specifications of this microcontroller.

Pinout Function List (100-Pin LQFP):

Pin Number Pin Name Function Details 1 VSS Ground Ground pin, connects to system ground. 2 VDD Power Supply Power supply input (typically 3.3V or 5V). 3 VCAP_1 capacitor Pin For voltage regulator, external capacitor needed. 4 VCAP_2 Capacitor Pin For voltage regulator, external capacitor needed. 5-6 PA13/SWDIO GPIO/SWDIO General-purpose I/O or Serial Wire Debug I/O. 7 PA14/SWCLK GPIO/SWCLK General-purpose I/O or Serial Wire Debug Clock . 8 NRST Reset Pin Active-low reset input. 9 VREF+ Reference Voltage Provides reference voltage for ADC and DAC. 10 VREF- Reference Voltage Provides reference voltage for ADC and DAC. 11 PA0 GPIO General-purpose I/O. 12 PA1 GPIO General-purpose I/O. 13 PA2 GPIO General-purpose I/O. 14 PA3 GPIO General-purpose I/O. 15 PA4 GPIO General-purpose I/O. 16 PA5 GPIO General-purpose I/O. 17 PA6 GPIO General-purpose I/O. 18 PA7 GPIO General-purpose I/O. 19 PB0 GPIO General-purpose I/O. 20 PB1 GPIO General-purpose I/O. 21 PB2 GPIO General-purpose I/O. 22 PB3 GPIO General-purpose I/O. 23 PB4 GPIO General-purpose I/O. 24 PB5 GPIO General-purpose I/O. 25 PB6 GPIO General-purpose I/O. 26 PB7 GPIO General-purpose I/O. 27 PC13 GPIO General-purpose I/O. 28 PC14 GPIO General-purpose I/O. 29 PC15 GPIO General-purpose I/O. 30 PD0 GPIO General-purpose I/O. 31 PD1 GPIO General-purpose I/O. 32 PD2 GPIO General-purpose I/O. 33 PD3 GPIO General-purpose I/O. 34 PD4 GPIO General-purpose I/O. 35 PD5 GPIO General-purpose I/O. 36 PD6 GPIO General-purpose I/O. 37 PD7 GPIO General-purpose I/O. 38 PE0 GPIO General-purpose I/O. 39 PE1 GPIO General-purpose I/O. 40 PE2 GPIO General-purpose I/O. 41 PE3 GPIO General-purpose I/O. 42 PE4 GPIO General-purpose I/O. 43 PE5 GPIO General-purpose I/O. 44 PE6 GPIO General-purpose I/O. 45 PE7 GPIO General-purpose I/O. 46 PF0 GPIO General-purpose I/O. 47 PF1 GPIO General-purpose I/O. 48 PF2 GPIO General-purpose I/O. 49 PF3 GPIO General-purpose I/O. 50 PF4 GPIO General-purpose I/O. 51 PF5 GPIO General-purpose I/O. 52 PF6 GPIO General-purpose I/O. 53 PF7 GPIO General-purpose I/O. 54 PG0 GPIO General-purpose I/O. 55 PG1 GPIO General-purpose I/O. 56 PG2 GPIO General-purpose I/O. 57 PG3 GPIO General-purpose I/O. 58 PG4 GPIO General-purpose I/O. 59 PG5 GPIO General-purpose I/O. 60 PG6 GPIO General-purpose I/O. 61 PG7 GPIO General-purpose I/O. 62 VDDIO2 Power Supply Power supply for external peripherals. 63 PC12 GPIO General-purpose I/O. 64 PD8 GPIO General-purpose I/O. 65 PD9 GPIO General-purpose I/O. 66 PD10 GPIO General-purpose I/O. 67 PD11 GPIO General-purpose I/O. 68 PD12 GPIO General-purpose I/O. 69 PD13 GPIO General-purpose I/O. 70 PD14 GPIO General-purpose I/O. 71 PD15 GPIO General-purpose I/O. 72 PC10 GPIO General-purpose I/O. 73 PC11 GPIO General-purpose I/O. 74 PA12 GPIO General-purpose I/O. 75 PA13 GPIO General-purpose I/O. 76 PA14 GPIO General-purpose I/O. 77 PA15 GPIO General-purpose I/O. 78 PB8 GPIO General-purpose I/O. 79 PB9 GPIO General-purpose I/O. 80 PB10 GPIO General-purpose I/O. 81 PB11 GPIO General-purpose I/O. 82 PB12 GPIO General-purpose I/O. 83 PB13 GPIO General-purpose I/O. 84 PB14 GPIO General-purpose I/O. 85 PB15 GPIO General-purpose I/O. 86 PA8 GPIO General-purpose I/O. 87 PA9 GPIO General-purpose I/O. 88 PA10 GPIO General-purpose I/O. 89 PA11 GPIO General-purpose I/O. 90 VDD Power Supply Power supply for I/O. 91 VSS Ground Ground pin for I/O. 92-100 Reserved - Reserved for future use or specific configurations.

Frequently Asked Questions (FAQ)

Q1: What is the core architecture of STM32L471VET6? A1: The STM32L471VET6 is based on the ARM Cortex-M4 core, featuring a floating-point unit (FPU) and low-power operation.

Q2: How many GPIO pins are available on STM32L471VET6? A2: The STM32L471VET6 has 100 pins, many of which are available for general-purpose I/O (GPIO).

Q3: What is the power supply voltage for STM32L471VET6? A3: The recommended operating voltage is typically 3.3V.

Q4: Can I use STM32L471VET6 for ultra-low-power applications? A4: Yes, it is designed for low-power applications, with multiple low-power modes to save energy.

Q5: Does STM32L471VET6 support serial communication protocols? A5: Yes, it supports protocols such as UART, SPI, I2C, and CAN.

Q6: Is STM32L471VET6 suitable for ADC-based applications? A6: Yes, it includes a 12-bit ADC with up to 16 channels.

Q7: How many timers does STM32L471VET6 have? A7: It has up to 7 timers (including general-purpose and advanced-control timers).

Q8: Can STM32L471VET6 be used for real-time applications? A8: Yes, with its Cortex-M4 core and high-speed performance, it is ideal for real-time applications.

Q9: Does STM32L471VET6 have a built-in DAC? A9: Yes, it features a 12-bit DAC for analog output.

Q10: What are the communication interface s available on STM32L471VET6? A10: It includes UART, SPI, I2C, CAN, USB, and more.

Q11: Can I use STM32L471VET6 for motor control? A11: Yes, with its advanced control timers and PWM capabilities, it is ideal for motor control applications.

Q12: Is STM32L471VET6 compatible with ST's CubeMX and CubeIDE? A12: Yes, STM32L471VET6 is fully compatible with ST's CubeMX and CubeIDE for software development and configuration.

Q13: Does STM32L471VET6 support external memory? A13: Yes, it supports external memory interfaces such as QSPI and external SRAM.

Q14: What debugging options are available for STM32L471VET6? A14: STM32L471VET6 supports debugging via SWD (Serial Wire Debug) and JTAG.

Q15: Does STM32L471VET6 have an RTC (Real-Time Clock)? A15: Yes, it includes a built-in RTC for timekeeping applications.

Q16: Can STM32L471VET6 interface with sensors? A16: Yes, it supports various sensors through I2C, SPI, or GPIO.

Q17: What are the clock frequencies of STM32L471VET6? A17: The microcontroller can run at up to 80 MHz.

Q18: Is STM32L471VET6 available in different packages? A18: Yes, STM32L471VET6 comes in LQFP100 package for easy mounting.

Q19: Can STM32L471VET6 operate in harsh environments? A19: Yes, it is designed for industrial applications and can withstand a wide range of operating conditions.

Q20: Is STM32L471VET6 suitable for battery-powered applications? A20: Yes, thanks to its low-power modes, it is well-suited for battery-powered applications.