CH32F208WBU6R — WCH
ARM Cortex-M3 BLE MCU, 144MHz, 128KB flash, QFN68, tape & reel, 2500 pcs

Category: MCU

Pricing
  LCSC         $1.44
  Mouser       $1.89
  DigiKey      $1.99
  Farnell      $2.04

Manufacturer: https://www.wch.cn