Serial Ethernet Penetrate Transparent IC CH9120


CH9120 has Built-in TCP/IP protocol stack, which can provides serial data and network data’s two-way penetrate transparent. CH9120 has TCP-Client, TCP-Server and UDP 3 kinds of work mode, supports serial baud rate up to 921600bps, can be easily configured by host PC software. The application diagram for CH9120 is shown below:


  • Built-in Ethernet MAC and PHY.
  • Two-way penetrate transparent of serial data and network data.
  • Supports 10M full duplex / half duplex adaptive Ethernet interface, fully compatible with IEEE 802.3 protocol.
  • Auto MDI/MDIX switching.
  • Supports 3 kinds of work mode: TCP-Client, TCP-Server and UDP.
  • Supports serial baud rate from 300bps to 921600bps.
  • TTL logic level, compatible with 3.3V.
  • Serial port supports both full duplex and half duplex, supports RS485 auto direction control.
  • Work mode, port, Ethernet configurations can be set by host PC software.