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
- What is the core architecture of the STM32G431KBU3?
The STM32G431KBU3 is based on the Arm® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32G431KBU3?
The maximum operating frequency is up to 170 MHz with 213 DMIPS.
- What type of memory does the STM32G431KBU3 have?
The device has 128 Kbytes of Flash memory and 22 Kbytes of SRAM.
- What are the voltage operating conditions for the STM32G431KBU3?
The voltage range is from 1.71 V to 3.6 V (VDD, VDDA).
- Does the STM32G431KBU3 support low-power modes?
Yes, it supports sleep, stop, standby, and shutdown low-power modes.
- 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.
- What is the purpose of the ART Accelerator in the STM32G431KBU3?
The ART Accelerator allows 0-wait-state execution from Flash memory.
- 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.
- What development tools are supported by the STM32G431KBU3?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- 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.
