GD32F103RET6 — GigaDevice
ARM Cortex-M3 MCU, 72MHz, 512KB flash, 64KB SRAM, LQFP64

Category: MCU

Pricing
  LCSC         $2.12
  Mouser       $2.81
  DigiKey      $2.85
  Farnell      $2.93

Manufacturer: https://www.gigadevice.com