GD32F303RET6-I — GigaDevice
ARM Cortex-M4F MCU, 120MHz, 512KB flash, 64KB SRAM, LQFP64, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $2.87
  Mouser       $3.80
  DigiKey      $3.82
  Farnell      $4.10

Manufacturer: https://www.gigadevice.com