CH9121 - Network and UART Transparent Transmission

CH9121 Datasheet Preview — Preview of CH9121 PDF

Datasheet Details

Part number	CH9121
Manufacturer	ETC
File Size	174.54 KB
Description	Network and UART Transparent Transmission
Datasheet	CH9121-ETC.pdf

CH9121 Product details

Description

LQFP package; 64 pins; package body 10 x10mm 4. Pins CH9121 Pin No.2, 12, 17, 21, 29, 40, 42, 45, 63 6, 19, 28, 43, 54, 64 3, 9, 13, 18, 20, 37, 41, 44, 48 14, 15, 16, 22, 23, 24, 25, 26, 27, 34, 35, 38, 39, 47, 49, 50, 61, 62 1 Pin Name VCC33 VCC18 GND NC RSETE 4 RXP 5 RXN Pin Type Power Power Power - Input Ethernet signal Ethernet Pin description 3.3V positive power input, require an external 0.1uF power decoupling capacitor 1.8V positive power input, require an external 0.1uF power

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.
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Published: Sep 13, 2024 |