Overview
The STM32G431KBT6 is a 32-bit microcontroller from STMicroelectronics, part of the STM32G series. 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 is designed to offer a balance between performance and power efficiency, making it suitable for a wide range of applications. It features a single-precision floating-point unit (FPU), DSP instructions, and a memory protection unit (MPU) to enhance application security.
Key Specifications
| Family Name | STM32G |
|---|---|
| Core Processor | ARM Cortex-M4 |
| Program Memory Type | Flash |
| Flash Size | 128 kB |
| RAM Size | 32 kB |
| Speed | 170 MHz |
| No of I/O Lines | 26 |
| Interface/Connectivity | I2C/SPI/UART/USART/CAN/USB |
| Peripherals | DMA/POR/PWM/Watchdog |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40°C to +85°C |
| On-Chip ADC | 11-ch x 12-bit |
| Watchdog Timers | 2 |
| Package Style | LQFP-32 |
| Mounting Method | Surface Mount |
Key Features
- Core and Performance: ARM Cortex-M4 32-bit RISC core with a single-precision FPU, DSP instructions, and an Adaptive real-time accelerator (ART Accelerator) for 0-wait-state execution from Flash memory, operating at up to 170 MHz.
- Memories: 128 kB of Flash memory with ECC support, proprietary code readout protection (PCROP), and securable memory area; 32 kB of SRAM with hardware parity check.
- Peripherals: Includes DMA, POR, PWM, watchdog timers, two fast 12-bit ADCs, four comparators, three operational amplifiers, four DAC channels, and various timers (including 32-bit and 16-bit timers).
- Communication Interfaces: Supports I2C, SPI, UART, USART, CAN, USB 2.0 full-speed interface, and more.
- Power Management: Low-power modes (sleep, stop, standby, and shutdown), power-on/power-down reset (POR/PDR/BOR), and programmable voltage detector (PVD).
- Mathematical Hardware Accelerators: CORDIC for trigonometric functions and FMAC for filter functions.
- Security Features: Memory protection unit (MPU), readout protection, write protection, and securable memory area.
Applications
The STM32G431KBT6 is versatile and can be used in a variety of applications, including:
- Industrial Automation: Motor control, industrial communication, and automation systems.
- Consumer Electronics: Smart home devices, wearables, and other consumer electronics requiring high performance and low power consumption.
- Medical Devices: Medical equipment that requires precise control and low power consumption.
- Automotive Systems: Although not specifically marked as automotive-grade, it can be used in non-critical automotive applications due to its robust feature set.
- IoT Devices: Internet of Things (IoT) devices that need advanced communication interfaces and high-performance processing.
Q & A
- What is the core processor of the STM32G431KBT6?
The core processor is the ARM Cortex-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32G431KBT6?
The maximum operating frequency is up to 170 MHz.
- How much Flash and RAM does the STM32G431KBT6 have?
The STM32G431KBT6 has 128 kB of Flash memory and 32 kB of SRAM.
- What are the supply voltage and operating temperature ranges of the STM32G431KBT6?
The supply voltage range is 1.71 V to 3.6 V, and the operating temperature range is -40°C to +85°C.
- What communication interfaces does the STM32G431KBT6 support?
The STM32G431KBT6 supports I2C, SPI, UART, USART, CAN, and USB 2.0 full-speed interface.
- Does the STM32G431KBT6 have any mathematical hardware accelerators?
Yes, it includes CORDIC for trigonometric functions and FMAC for filter functions.
- What are the key security features of the STM32G431KBT6?
The key security features include a memory protection unit (MPU), readout protection, write protection, and securable memory area.
- What is the package style and mounting method of the STM32G431KBT6?
The package style is LQFP-32, and the mounting method is surface mount.
- Does the STM32G431KBT6 support low-power modes?
Yes, it supports sleep, stop, standby, and shutdown low-power modes.
- What are some of the peripheral features of the STM32G431KBT6?
The peripherals include DMA, POR, PWM, watchdog timers, ADCs, DACs, operational amplifiers, and various timers.
