CH32V307RCT6-I — WCH
RISC-V RV32IMAC MCU, 144MHz, 256KB flash, 64KB SRAM, LQFP64, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $1.53
  Mouser       $1.97
  DigiKey      $2.15
  Farnell      $2.28

Manufacturer: https://www.wch.cn