DC 3.3V 5V CH9121 Ethernet Network Module UART to RJ45 Converter TCP/IP 100M 802.3

1.Descriptions: It is a UART to RJ45 Ethernet Network Converter Module with CH9121 controller.The CH9192 has built-in TCP/IP communication protocol.It can realize two-way transparent transmission of network data packets and serial data.Support TCP CLIENT, TCP SERVER, UDP CLIENT, UDP SERVER four work method. Its maximum baud rate can be 921600bps.2.Feature: 1>.Built-in MAC and PHY 2>.Support two-way transparent transmission 3>.Support 10/100M 4>.Supprot MDI/MDIX automatic conversion 5>.Support DHCP obtain an IP address automatically 6>.Support DNS domain name access 7>.Support TCP CLIENT, TCP SERVER, UDP CLIENT, UDP SERVER 8>.Support KEEP ALIVE mechanism 9>.Supprot UART 0~2000ms timeout setting3.Parameter: 1>.Model: CH9121 2>.Work Voltage:DC 3.3V~5V 3>.UART Level: DC 3.3V~5V 4>.Buad rate:300bps~921600bps 5>.Work Temperature:-25℃~85℃ 6>.Work Humidity:5%~95%RH 7>.Size:54*25*18mm4.Pin definition: 1>.RESET: Input. Restore factory settings, chip power-on detection, low level is valid 2>.RSTI: Input. External reset input，low level is valid 3>.DIR: Output. Use control RS485 send and receive switching 4>.CFG: Input. Serial port configuration mode setting pin，built-in pull-up, enter the serial port configuration mode when low level is detected， high level quit configuration mode. 5>.TCPS: Output. TCP client mode, the port is connected to the status indication pin, and the connection is successfully output low level 6>.RXD: Input. UART data input ,connect external MCU’s TXD 7>.RUN: Output. Module running status indication pin, output 2Hz square wave 8>.TXD: Output. UART data output ,connect external MCU’s TXD 9>.GND: Power. Power ground 10>.3V3: Power. 3.3V power supply，and 5Vpower supply pick one of two 11>.5V: Power. 5V power supply，and 3.3Vpower supply pick one of two5.Module configuration and working mo

• DC 3.3V 5V CH9121 Ethernet Network Module UART to RJ45 Converter TCP/IP 100M 802.3