STM32L433VCT6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32L433VCT6 is a microcontroller from STMicroelectronics. It belongs to the STM32L4 series, which is part of ST's family of ultra-low- Power microcontrollers based on the ARM Cortex-M4 core. The model "STM32L433VCT6" specifically refers to an STM32L4 device with a 64-pin package, featuring Flash Memory , RAM, and various peripherals for embedded applications.

Below is an in-depth description of its packaging, pin functions, and circuit principles as requested.

1. Device Overview

Brand: STMicroelectronics Series: STM32L4 Series Core: ARM Cortex-M4 Package: LQFP64 (64 pins)

2. Pinout Description

Here’s the detailed function of each pin (64 pins), formatted in a table:

Pin Number Pin Name Pin Function Description 1 VSS Ground Pin 2 VDD Power Supply Pin 3 PA13 SWDIO (Serial Wire Debug I/O) 4 PA14 SWCLK (Serial Wire Clock ) 5 PA15 USART2_TX (USART2 Transmit Pin) 6 PB3 USART2_RX (USART2 Receive Pin) 7 PB4 SPI1_NSS (SPI1 Chip Select) 8 PB5 SPI1_SCK (SPI1 Clock Pin) 9 PB6 SPI1_MISO (SPI1 Master In Slave Out Pin) 10 PB7 SPI1_MOSI (SPI1 Master Out Slave In Pin) 11 PC13 User Button/NRST (Reset Pin) 12 PC14 SWDIO (Serial Wire Debug I/O) 13 PC15 SWCLK (Serial Wire Clock Pin) 14 PD0 UART3_TX (UART3 Transmit Pin) 15 PD1 UART3_RX (UART3 Receive Pin) 16 PD2 GPIO Output Pin 17 PD3 GPIO Output Pin 18 PD4 GPIO Output Pin 19 PD5 GPIO Output Pin 20 PD6 GPIO Output Pin 21 PD7 GPIO Output Pin 22 PE0 GPIO Input Pin 23 PE1 GPIO Input Pin 24 PE2 GPIO Input Pin 25 PE3 GPIO Input Pin 26 PE4 GPIO Input Pin 27 PE5 GPIO Input Pin 28 PE6 GPIO Input Pin 29 PE7 GPIO Input Pin 30 PE8 I2C1_SCL (I2C1 Clock) 31 PE9 I2C1_SDA (I2C1 Data) 32 PF0 GPIO Input Pin 33 PF1 GPIO Input Pin 34 PF2 GPIO Input Pin 35 PF3 GPIO Input Pin 36 PF4 GPIO Input Pin 37 PF5 GPIO Input Pin 38 PF6 GPIO Input Pin 39 PF7 GPIO Input Pin 40 PF8 GPIO Input Pin 41 PF9 GPIO Input Pin 42 PF10 GPIO Input Pin 43 PF11 GPIO Input Pin 44 PF12 GPIO Input Pin 45 PF13 GPIO Input Pin 46 PF14 GPIO Input Pin 47 PF15 GPIO Input Pin 48 PG0 GPIO Output Pin 49 PG1 GPIO Output Pin 50 PG2 GPIO Output Pin 51 PG3 GPIO Output Pin 52 PG4 GPIO Output Pin 53 PG5 GPIO Output Pin 54 PG6 GPIO Output Pin 55 PG7 GPIO Output Pin 56 PG8 GPIO Output Pin 57 PG9 GPIO Output Pin 58 PG10 GPIO Output Pin 59 PG11 GPIO Output Pin 60 PG12 GPIO Output Pin 61 PG13 GPIO Output Pin 62 PG14 GPIO Output Pin 63 PG15 GPIO Output Pin 64 NRST Reset Pin

3. FAQ (Frequently Asked Questions)

Q1: What is the maximum clock frequency of the STM32L433VCT6? A1: The STM32L433VCT6 can operate at a maximum clock frequency of 80 MHz.

Q2: What is the flash memory size of the STM32L433VCT6? A2: The STM32L433VCT6 features 512 KB of Flash memory.

Q3: Does the STM32L433VCT6 support low-power modes? A3: Yes, it supports several low-power modes like Sleep mode, Stop mode, and Standby mode for power optimization.

Q4: What is the number of general-purpose I/O pins on the STM32L433VCT6? A4: The STM32L433VCT6 has up to 52 general-purpose I/O pins.

Q5: How many analog-to-digital converters (ADCs) are available on the STM32L433VCT6? A5: The STM32L433VCT6 has three 12-bit ADCs with up to 24 channels.

Q6: Is the STM32L433VCT6 suitable for communication interface s like SPI, I2C, or UART? A6: Yes, it supports multiple interfaces including SPI, I2C, and UART, making it highly versatile for communication.

Q7: What is the RAM size of the STM32L433VCT6? A7: The STM32L433VCT6 has 128 KB of SRAM.

Q8: How much current does the STM32L433VCT6 consume in low-power modes? A8: In low-power modes, the STM32L433VCT6 consumes less than 10 µA, depending on the configuration.

Q9: Can I use the STM32L433VCT6 in automotive applications? A9: Yes, the STM32L433VCT6 is suitable for automotive applications due to its wide temperature range and low-power capabilities.

Q10: Does the STM32L433VCT6 have an integrated USB interface? A10: Yes, it supports a full-speed USB 2.0 interface for data transfer.

Q11: What is the voltage range for the STM32L433VCT6? A11: The operating voltage range is 1.65V to 3.6V.

Q12: Can I use DMA (Direct Memory Access ) with STM32L433VCT6? A12: Yes, the STM32L433VCT6 supports DMA for efficient data transfer between peripherals and memory.

Q13: Does the STM32L433VCT6 have hardware-based cryptographic features? A13: Yes, it includes hardware acceleration for cryptographic algorithms such as AES and RSA.

Q14: What type of timer functions are supported by STM32L433VCT6? A14: The STM32L433VCT6 supports general-purpose timers, advanced-control timers, and basic timers for various applications.

Q15: Can I use the STM32L433VCT6 in battery-operated systems? A15: Yes, the STM32L433VCT6 is optimized for ultra-low-power consumption, making it ideal for battery-powered systems.

Q16: Is there built-in protection for overvoltage and undervoltage on the STM32L433VCT6? A16: Yes, the device includes brown-out reset protection for undervoltage conditions.

Q17: Can I program the STM32L433VCT6 via UART? A17: Yes, you can program the STM32L433VCT6 using UART-based bootloader.

Q18: Does the STM32L433VCT6 support external memory? A18: Yes, it supports external memory through the External Memory Interface ( EMI ).

Q19: What is the temperature range of the STM32L433VCT6? A19: The STM32L433VCT6 operates in a temperature range of -40°C to 85°C (industrial grade).

Q20: Can I use the STM32L433VCT6 for motor control applications? A20: Yes, the STM32L433VCT6 is suitable for motor control applications due to its timers and PWM outputs.

This detailed explanation and FAQ list should provide a comprehensive overview of the STM32L433VCT6.