STM32G431KBU3
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STMicroelectronics STM32G431KBU3

Manufacturer No:
STM32G431KBU3
Manufacturer:
STMicroelectronics
Package:
Tray
Description:
IC MCU 32BIT 128KB FLSH 32UFQFPN
Delivery:
Payment:
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Product Introduction

Overview

The STM32G431KBU3 is a microcontroller from the STM32G4 series, produced by STMicroelectronics. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz. This microcontroller features a single-precision floating-point unit (FPU) and supports all Arm single-precision data-processing instructions and DSP instructions. The device also includes a memory protection unit (MPU) to enhance application security.

Key Specifications

Parameter Value
Core Arm® 32-bit Cortex®-M4 CPU with FPU
Frequency Up to 170 MHz with 213 DMIPS
Memory 128 Kbytes of Flash memory, 22 Kbytes of SRAM
Voltage Range 1.71 V to 3.6 V (VDD, VDDA)
Timers 10 x 16-bit timers, 1 x 32-bit timer
ADCs 2 x ADCs with up to 23 channels, resolution up to 16-bit
DACs 4 x 12-bit DAC channels
Comparators 4 x ultra-fast rail-to-rail analog comparators
Op-Amps 3 x operational amplifiers
Communication Interfaces 1 x FDCAN, 3 x I2C, 4 x USART/UART, 3 x SPI, 1 x USB 2.0 full-speed interface
Operating Temperature -40°C to 85°C or -40°C to 125°C depending on the package

Key Features

  • Includes ST state-of-the-art patented technology
  • Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory
  • Mathematical hardware accelerators: CORDIC for trigonometric functions, FMAC for filter mathematical acceleration
  • Memories: 128 Kbytes of Flash memory with ECC support, 22 Kbytes of SRAM with hardware parity check
  • Low-power modes: sleep, stop, standby, and shutdown
  • Internal voltage reference buffer (VREFBUF) supporting three output voltages (2.048 V, 2.5 V, 2.9 V)
  • True random number generator (RNG), CRC calculation unit, 96-bit unique ID
  • Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™

Applications

The STM32G431KBU3 is suitable for a wide range of applications, including:

  • Industrial automation and control systems
  • Medical devices requiring high precision and reliability
  • Automotive systems, especially those needing advanced motor control and CAN communication
  • Consumer electronics requiring low power consumption and high performance
  • IoT devices that need robust security features and efficient data processing

Q & A

  1. What is the core architecture of the STM32G431KBU3?

    The STM32G431KBU3 is based on the Arm® Cortex®-M4 32-bit RISC core.

  2. What is the maximum operating frequency of the STM32G431KBU3?

    The maximum operating frequency is up to 170 MHz with 213 DMIPS.

  3. What type of memory does the STM32G431KBU3 have?

    The device has 128 Kbytes of Flash memory and 22 Kbytes of SRAM.

  4. What are the voltage operating conditions for the STM32G431KBU3?

    The voltage range is from 1.71 V to 3.6 V (VDD, VDDA).

  5. Does the STM32G431KBU3 support low-power modes?

    Yes, it supports sleep, stop, standby, and shutdown low-power modes.

  6. What communication interfaces are available on the STM32G431KBU3?

    The device includes interfaces such as FDCAN, I2C, USART/UART, SPI, and USB 2.0 full-speed interface.

  7. What is the purpose of the ART Accelerator in the STM32G431KBU3?

    The ART Accelerator allows 0-wait-state execution from Flash memory.

  8. Does the STM32G431KBU3 have built-in analog comparators and operational amplifiers?

    Yes, it includes 4 ultra-fast rail-to-rail analog comparators and 3 operational amplifiers.

  9. What development tools are supported by the STM32G431KBU3?

    The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.

  10. What is the operating temperature range for the STM32G431KBU3?

    The operating temperature range is -40°C to 85°C or -40°C to 125°C depending on the package.

Product Attributes

Core Processor:ARM® Cortex®-M4F
Core Size:32-Bit Single-Core
Speed:170MHz
Connectivity:CANbus, I²C, IrDA, LINbus, SPI, UART/USART
Peripherals:Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O:26
Program Memory Size:128KB (128K x 8)
Program Memory Type:Flash
EEPROM Size:- 
RAM Size:32K x 8
Voltage - Supply (Vcc/Vdd):1.71V ~ 3.6V
Data Converters:A/D 11x12b; D/A 4x12b
Oscillator Type:Internal
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:32-UFQFN Exposed Pad
Supplier Device Package:32-UFQFPN (5x5)
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Similar Products

Part Number STM32G431KBU3 STM32G431KBU6 STM32G431CBU3 STM32G431K6U3
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Active Active Active
Core Processor ARM® Cortex®-M4F ARM® Cortex®-M4F ARM® Cortex®-M4F ARM® Cortex®-M4F
Core Size 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core
Speed 170MHz 170MHz 170MHz 170MHz
Connectivity CANbus, I²C, IrDA, LINbus, SPI, UART/USART CANbus, I²C, IrDA, LINbus, SPI, UART/USART CANbus, I²C, IrDA, LINbus, SPI, UART/USART CANbus, I²C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O 26 26 42 26
Program Memory Size 128KB (128K x 8) 128KB (128K x 8) 128KB (128K x 8) 32KB (32K x 8)
Program Memory Type Flash Flash Flash Flash
EEPROM Size - - - -
RAM Size 32K x 8 32K x 8 32K x 8 32K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V 1.71V ~ 3.6V 1.71V ~ 3.6V 1.71V ~ 3.6V
Data Converters A/D 11x12b; D/A 4x12b A/D 11x12b; D/A 4x12b A/D 18x12b; D/A 4x12b A/D 11x12b; D/A 4x12b
Oscillator Type Internal Internal Internal Internal
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 32-UFQFN Exposed Pad 32-UFQFN Exposed Pad 48-UFQFN Exposed Pad 32-UFQFN Exposed Pad
Supplier Device Package 32-UFQFPN (5x5) 32-UFQFPN (5x5) 48-UFQFPN (7x7) 32-UFQFPN (5x5)

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