The STM32G4x1 are mixed-signal microcontrollers with an Arm® Cortex®-M4 core (with FPU and DSP instructions) running at 170 MHz. These are entry-level devices in the STM32G4 series.

The devices are equipped with:

  • 3x ultra-fast 12-bit ADCs (4 Msamples/s)
  • 4x 12-bit DACs (15 Msamples/s)
  • 4x ultra-fast comparators (17 nanoseconds)
  • 4x op amps with programmable gain
  • ART Accelerator, CCM SRAM, and mathematical accelerators
  • Single-bank Flash memory
  • Up to 2x CAN FD
  • USB 2.0 full-speed data interface (device)
  • USB Type-C™ and power delivery controller (UCPD) 

Memory ranges from 32 to 512 Kbytes and packages with 32 to 100 pins.
Temperature range from -40 to 85° C or from -40 to 125° C.


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