GD32E508ZET6 — GigaDevice ARM Cortex-M33 MCU, 180MHz, 512KB flash, 128KB SRAM, LQFP144 Category: MCU Pricing LCSC $3.71 Mouser $4.60 DigiKey $4.48 Farnell $4.87 Manufacturer: https://www.gigadevice.com