Overview
The STM32G431CBT3 is a mainstream microcontroller from STMicroelectronics, part of the STM32G431x6/x8/xB family. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 170 MHz with 213 DMIPS. This MCU features a single-precision floating-point unit (FPU), DSP instructions, and a memory protection unit (MPU) to enhance application security. The device is designed to support a wide range of applications with its rich set of peripherals and advanced communication interfaces.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) |
| Frequency | Up to 170 MHz with 213 DMIPS |
| Memories | 128 Kbytes of Flash memory, 22 Kbytes of SRAM, 10 Kbytes of CCM SRAM |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 to +85 °C (+105 °C junction), -40 to +125 °C (+130 °C junction) |
| ADCs | 2 x 12-bit ADCs (up to 23 channels), resolution up to 16-bit with hardware oversampling |
| DACs | 4 x 12-bit DAC channels (2 external, 2 internal) |
| Timers | 1 x 32-bit timer, 10 x 16-bit timers, 2 x watchdog timers, 1 x SysTick timer |
| Communication Interfaces | 3 x I2C, 3 x SPI, 4 x USART/UART, 1 x FDCAN, 1 x SAI, USB 2.0 full-speed interface |
| Package | LQFP 48 7x7x1.4 mm |
Key Features
- Mathematical hardware accelerators: CORDIC for trigonometric functions and FMAC for filter functions
- Rich analog peripherals: 4 ultra-fast rail-to-rail analog comparators, 3 operational amplifiers, internal voltage reference buffer (VREFBUF)
- Advanced motor control timers with up to 8 x PWM channels, dead time generation, and emergency stop
- Low-power modes: sleep, stop, standby, and shutdown
- VBAT supply for RTC and backup registers
- True random number generator (RNG), CRC calculation unit, 96-bit unique ID
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
The STM32G431CBT3 is suitable for a variety of applications, including industrial control systems, motor control, medical devices, and consumer electronics. Its rich set of peripherals and advanced communication interfaces make it an ideal choice for applications requiring high performance, low power consumption, and robust security features.
Q & A
- What is the core architecture of the STM32G431CBT3?
The STM32G431CBT3 is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU) and DSP instructions. - What is the maximum operating frequency of the STM32G431CBT3?
The maximum operating frequency is up to 170 MHz with 213 DMIPS. - What types of memories are available on the STM32G431CBT3?
The device features 128 Kbytes of Flash memory, 22 Kbytes of SRAM, and 10 Kbytes of CCM SRAM. - What is the operating voltage range of the STM32G431CBT3?
The operating voltage range is from 1.71 V to 3.6 V. - What are the key analog peripherals of the STM32G431CBT3?
The device includes 2 x 12-bit ADCs, 4 x 12-bit DAC channels, 4 ultra-fast rail-to-rail analog comparators, and 3 operational amplifiers. - What communication interfaces are available on the STM32G431CBT3?
The device features 3 x I2C, 3 x SPI, 4 x USART/UART, 1 x FDCAN, 1 x SAI, and a USB 2.0 full-speed interface. - What are the low-power modes supported by the STM32G431CBT3?
The device supports sleep, stop, standby, and shutdown low-power modes. - Does the STM32G431CBT3 have any specific security features?
Yes, it includes readout protection, write protection, securable memory area, and proprietary code readout protection (PCROP). - What development tools are supported by the STM32G431CBT3?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™. - What is the package type of the STM32G431CBT3?
The device is available in an LQFP 48 7x7x1.4 mm package.
