wch logo
select language
  • 简体中文
  • English
  • Products
    • Products Categories
      • MCU series chip
      • Network series chip
      • USB series chip
      • PCI/PCIE series chip
      • Microcontroller peripheral chip
      • Display driver and keyboard scan chip
    • Latest Products
      • Bluetooth serial port transparent chip:CH9141
      • UART to HID Keyboard/Mouse Controller CH9329
      • USB PD and other fast charging protocol chip CH236
      • Wireless charging management chip CH246
      • BLE Wireless MCU CH579
      • 8-bit enhanced multi-interface microcontroller CH549
      • 8-bit cost-effective enhanced USB microcontroller CH554
      • 8 bit enhanced USB MCU CH559
  • Application
  • Services
    • Apply Sample
    • Downloads
    • Technical Support
    • Sales Support
  • About WCH
    • About Us
      • Company Profile
      • News
    • Contact Us
    All
    • All
    • Downloads
    • Products
    • Application
    • Video
    • News
  • Products
  • Application
  • Services
  • About WCH
...
...
...
Previous Next
Product Categories
Product Categories
  • MCU series chip
  • Network series c...
  • USB series chip
  • PCI/PCIE series...
  • Microcontroller...
  • Display driver a...
Hot Products
Hot Products
  • BLE Wireless MCU CH579
  • Serial Ethernet Penetrate Transparent IC...
  • USB PD and other fast charging protocol...
  • Wireless charging management chip CH246
  • 8 bit enhanced USB MCU CH559
  • 8-bit enhanced multi-interface microcont...
  • USB mouse and keyboard to serial communi...
  • U disk and SD card file management contr...
  • USB to UART Bridge Controller CH340
  • Ethernet Protocol Stack Management IC CH...
News
News
  • 【2019-04-20】Qinheng microelectronics...
  • 【2018-09-26】 BLE wireless MCU CH579
  • 【2019-05-15】2019 qinheng annual tour...
  • more >
About Us
  • Company Profile
  • News
Products
  • MCU series chip
  • Network series chip
  • USB series chip
  • PCI/PCIE series chip
  • Microcontroller peripheral chip
  • Display driver and keyboard scan chip
Technical Support
  • Technical Tel
  • Technical Email
Sales Support
  • Sales Tel
  • Sales Email
Contact Us
苏ICP备18001197号 Copyright © 2002-2021 南京沁恒微电子股份有限公司. All Rights Reserved