GD32F103C8U6-I — GigaDevice
ARM Cortex-M3 MCU, 72MHz, 64KB flash, 20KB SRAM, QFN48, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $1.14
  Mouser       $1.42
  DigiKey      $1.54
  Farnell      $1.60

Manufacturer: https://www.gigadevice.com