CH32V307VET6R — WCH
RISC-V RV32IMAC MCU, 144MHz, 512KB flash, 64KB SRAM, LQFP100, tape & reel, 2500 pcs

Category: MCU

Pricing
  LCSC         $1.94
  Mouser       $2.44
  DigiKey      $2.39
  Farnell      $2.75

Manufacturer: https://www.wch.cn