CH9121 Datasheet Network and UART Transparent Transmission

Manufacturer: Unknown Manufacturer

Datasheet Details

Part number	CH9121
Manufacturer	Unknown Manufacturer
File Size	174.54 KB
Description	Network and UART Transparent Transmission
Datasheet	CH9121 Datasheet

CH9121 Datasheet 1 Network and UART Transparent Transmission Chip CH9121 Manual Version: 2B 1.

Overview CH9121 is a chip realizing transparent transmission between network and UART.

It integrates TCP/IP protocol stack, which can realize bidirectional transparent transmission between network data packets and serial data.

Internal Ethernet MAC layer and PHY layer.
Realize bidirectional transparent transmission between serial data and network data.
Support 10/100M, full/half duplex self-adaption Ethernet interface, compatible with 802.3 protocol.
Support automatic MDI/MDIX line conversion.
Support DHCP automatic access to IP address, and DNS domain name access.
Set the chip working mode, port, IP and other network parameters through upper computer software and serial commands.
S.

Part Number	Description
CH9340	USB to UART
CH9434	4-UART Chip