GD32F303RET6R — GigaDevice ARM Cortex-M4F MCU, 120MHz, 512KB flash, 64KB SRAM, LQFP64, tape & reel, 2500 pcs Category: MCU Pricing LCSC $2.76 Mouser $3.47 DigiKey $3.66 Farnell $3.88 Manufacturer: https://www.gigadevice.com