GD32F350CBT6 — GigaDevice ARM Cortex-M4 MCU, 108MHz, 128KB flash, 16KB SRAM, LQFP48 Category: MCU Pricing LCSC $1.55 Mouser $1.93 DigiKey $1.90 Farnell $2.00 Manufacturer: https://www.gigadevice.com