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CH9121 Serial Port to Ethernet Network Module Chip TTL Transmission Industrial Microcontroller STM32 TCP/IP 51 3.3V 5V

<ul><li>TTL Transmission Microcontroller</li><li>Serial Port to Ethernet Network Module</li><li>CH9121 Module</li></ul>

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Ethernet Parameters:Number of ports: 1Interface standard: RJ45 interfaceLAN Ethernet: 10 / 100MbpsData cache: 6K bytesProtection: 2KV electromagnetic isolationNetwork protocols: IP, , TCP, UDP, ICMP, IGMP, DCHP and so onSerial Port Parameters:Number of ports: 1Interface standard: TTL serial port, 2.54MM pin, 3.3V or 5V levelBaud rate: 300 ~ 921600bpsData bits: 5,6,7,8,9Stop bit: 1,2 bitParity: no parity, odd parity, even parityFlow Control: NoneCache: 2K bytesSupporting Software:Parameter configuration: network configuration software, serial AT Module testing: test software (network, serial one)Basic Parameters:Working voltage DC3.3V / 5VOperating current 200mA @ 5VPin Description:1. RESET: Factory reset pin, the module power-on detection, active low2. DIR: RS485 receive, send switch control pin3. TCPCS: TCP client mode, the port connection status indicator pin, the connection is successful output low4. RUN: module running status indication pin, input 2Hz square wave5. GND: Power Ground Pin6. 3.3V: 3.3V DC power input pin, 200mA, and 5V DC power supply alternatively7. GND: Power Ground Pin8. 5V: 5V DC power input pin, 200mA, and 3.3V DC power supply can choose one of twoColour:blue+silverMaterial:plastic+metalPackage Contents:1 x CH9121 Serial Port to Ethernet Network ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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