CH9121 - ETC

CH9121 Network and UART Transparent Transmission

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.

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
● Support four working modes: TCP CLIENT, TCP SERVER, UDP CLIENT and UDP SERVER
● Support up to two independent UARTs, independent .