STM32G431 in STM32 Family
The STM32G431 series by STMicroelectronics is a sub-family of mainstream mixed-signal microcontrollers built on the high-performance Arm Cortex-M4 core with FPU and DSP instructions. Operating at frequencies up to 170 MHz, these MCUs are designed to bridge the gap between high-end performance and cost-sensitive applications. They feature advanced analog peripherals and mathematical hardware accelerators, making them a preferred choice for sophisticated motor control, power conversion, and industrial sensing applications requiring precise real-time response.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | I/O Pins | Package | ADC/DAC | Stock |
|---|---|---|---|---|
| STM32G431CBT6 (STMicroelectronics) | 38 | LQFP-48 | A/D 17x12b; D/A 4x.. | 6,283 |
| STM32G431RBT6 (STMicroelectronics) | 52 | LQFP-64 | A/D 23x12b; D/A 4x.. | 1,012 |
| STM32G431CBU6 (STMicroelectronics) | 42 | UFQFN-48 | A/D 18x12b; D/A 4x.. | — |
Variants within the STM32G431 sub-family are distinguished primarily by memory density and package pin count. Flash memory options range from 32 KB to 128 KB, while SRAM remains consistent at 32 KB. Package options vary from compact 32-pin UFQFPN and LQFP housings to 64-pin configurations, affecting the number of available GPIOs and peripheral multiplexing possibilities. Temperature ratings also vary, including industrial and extended range versions.
