Overview
The STM32G431KBT6U is a high-performance microcontroller from STMicroelectronics, part of the STM32G4 series. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz. This microcontroller is designed to offer a balance of performance, power efficiency, and advanced features, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 170 MHz / 213 DMIPS |
| Flash Memory | 128 Kbytes with ECC support, PCROP, securable memory area, 1 Kbyte OTP |
| SRAM | 22 Kbytes with hardware parity check on the first 16 Kbytes, 10 Kbytes CCM SRAM |
| ADCs | Two 12-bit ADCs (up to 23 channels), 0.25 µs conversion time |
| DACs | Four 12-bit DAC channels |
| Timers | One 32-bit timer, seven 16-bit timers, two 16-bit PWM timers for motor control, one 16-bit low-power timer |
| Communication Interfaces | Three I2Cs, three SPIs, three USARTs, one UART, one low-power UART, one FDCAN, one SAI, USB device |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40°C to 85°C (or 105°C depending on the package) |
| I/Os | Up to 86 fast I/Os, all mappable on external interrupt vectors |
Key Features
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory.
- Mathematical hardware accelerators: CORDIC for trigonometric functions acceleration, FMAC: filter mathematical accelerator.
- Advanced analog peripherals: two fast 12-bit ADCs, four comparators, three operational amplifiers.
- Rich timer set: one 32-bit timer, seven 16-bit timers, two 16-bit PWM timers dedicated to motor control, one 16-bit low-power timer.
- Multiple communication interfaces: three I2Cs, three SPIs, three USARTs, one UART, one low-power UART, one FDCAN, one SAI, USB device.
- Low-power modes: sleep, stop, standby, and shutdown.
- VBAT supply for RTC and backup registers.
- Integrated ST state-of-the-art patented technology.
Applications
The STM32G431KBT6U is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Medical devices requiring precise analog and digital signal processing.
- Automotive systems, especially those needing advanced motor control and communication interfaces.
- Consumer electronics that demand high performance and low power consumption.
- IoT devices requiring efficient processing and multiple communication protocols.
Q & A
- What is the core architecture of the STM32G431KBT6U?
The STM32G431KBT6U is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU).
- What is the maximum operating frequency of the STM32G431KBT6U?
The maximum operating frequency is up to 170 MHz.
- How much Flash and SRAM memory does the STM32G431KBT6U have?
The microcontroller has 128 Kbytes of Flash memory and 22 Kbytes of SRAM.
- What are the key analog peripherals of the STM32G431KBT6U?
The key analog peripherals include two fast 12-bit ADCs, four comparators, and three operational amplifiers.
- What communication interfaces are available on the STM32G431KBT6U?
The microcontroller features three I2Cs, three SPIs, three USARTs, one UART, one low-power UART, one FDCAN, one SAI, and a USB device interface.
- What are the low-power modes supported by the STM32G431KBT6U?
The microcontroller supports sleep, stop, standby, and shutdown low-power modes.
- What is the operating voltage range of the STM32G431KBT6U?
The operating voltage range is from 1.71 V to 3.6 V.
- What is the purpose of the ART Accelerator in the STM32G431KBT6U?
The ART Accelerator allows 0-wait-state execution from Flash memory, enhancing performance.
- Does the STM32G431KBT6U support any mathematical hardware accelerators?
Yes, it includes CORDIC for trigonometric functions acceleration and FMAC for filter mathematical acceleration.
- What is the role of the VBAT supply in the STM32G431KBT6U?
The VBAT supply is for the RTC and backup registers.
