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CH9121 - Network and UART Transparent Transmission

Datasheet Summary

Description

4.

CH9121 Pin No.

Features

  • 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.

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Datasheet preview – CH9121

Datasheet Details

Part number CH9121
Manufacturer ETC
File Size 174.54 KB
Description Network and UART Transparent Transmission
Datasheet download datasheet CH9121 Datasheet
Additional preview pages of the CH9121 datasheet.

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Full PDF Text Transcription

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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. It has 4 working modes: TCP CLIENT, TCP SERVER, UDP CLIENT and UDP SERVER. The serial baud rate can be up to 921600bps. It can be easily configured by upper computer software or serial commands, which is convenient and quick. The figure below is a general application block diagram of CH9121. User TXD=>RXD device, RXD<=TXD such as UART MCU, embedded systems, etc.
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