GD32F350CBT6R — GigaDevice ARM Cortex-M4 MCU, 108MHz, 128KB flash, 16KB SRAM, LQFP48, tape & reel, 2500 pcs Category: MCU Pricing LCSC $1.43 Mouser $1.93 DigiKey $2.00 Farnell $2.15 Manufacturer: https://www.gigadevice.com