Ethernet Parameters:
Number of ports: 1
Interface standard: RJ45 interface
LAN Ethernet: 10 / 100Mbps
Data cache: 6K bytes
Protection: 2KV electromagnetic isolation
Network protocols: IP, ARP, TCP, UDP, ICMP, IGMP, DCHP and so on
Serial Port Parameters:
Number of ports: 1
Interface standard: TTL serial port, 2.54MM pin, 3.3V or 5V level
Baud rate: 300 ~ 921600bps
Data bits: 5,6,7,8,9
Stop bit: 1,2 bit
Parity: no parity, odd parity, even parity
Flow Control: None
Cache: 2K bytes
Supporting Software:
Parameter configuration: network configuration software, serial AT command
Module testing: test software (network, serial one)
Basic Parameters:
Size 43mmx23mmx14.5mm (length x width x height)
Working voltage DC3.3V / 5V
Operating current 200mA @ 5V
Power consumption ≤ 1W
Operating temperature -40 ~ 85 ° C
Storage temperature -55 ~ 125 ° C
Pin Description:
1. RESET: Factory reset pin, the module power-on detection, active low
2. DIR: RS485 receive, send switch control pin
3. TCPCS: TCP client mode, the port connection status indicator pin, the connection is successful output low
4. RUN: module running status indication pin, input 2Hz square wave
5. GND: Power Ground Pin
6. 3.3V: 3.3V DC power input pin, greater than 200mA, and 5V DC power supply alternatively
7. GND: Power Ground Pin
8. 5V: 5V DC power input pin, greater than 200mA, and 3.3V DC power supply can choose one of two
9. RSTI: reset pin, the internal pull-up, low-effective, can not be vacant
10. CFG: serial port configuration module enable pin, built-in pull-up, low-effective, do not have to be vacant
11. RXD: Serial data receive pin, serial port TTL level, compatible with 3.3V and 5V
12. TXD: serial data transmission pin, serial TTL level, compatible with 3.3V and 5V
13. GND: Power Ground Pin
14. 3.3V: 3.3V DC power input pin, greater than 200mA, and 5V DC power supply alternatively
15. GND: Power Ground Pin
16. 5V: 5V DC power input pin, greater than 200mA, with the optional 3.3V DC power supply can be
CH9121 serial port to Ethernet module is equipped with CH9121 network serial port transparent transmission chip. CH9121 internally integrates TCP/IP protocol stack, which can realize two-way transparent transmission of network data packets and serial port data. It has 4 types: TCP CLIENT, TCP SERVER, UDP CLIENT, UDP SERVER Working mode, the serial port baud rate can support up to 921600bps, can be easily configured through the host computer software or serial port commands, convenient and fast.
Parameter:
1. Built-in Ethernet media transport layer (MAC) and physical layer (PHY)
2. Realize two-way transparent transmission of serial data and network data
3. Support 10/100M, full-duplex/half-duplex adaptive Ethernet interface, compatible with 802.3 protocol
4. Support MDI/MDIX line automatic conversion
5. Support DHCP to obtain IP address automatically, support DNS domain name access
6. Set the chip working mode, port, IP and other network parameters through the host computer software serial AT command
7. Working mode supports TCP CLIENT, TCP SERVER and UDP CLIENT, UDP SERVER 4 modes
8. Serial baud rate support 300bps~921600bps
9. Serial TTL level, compatible with 3.3V and 5V
10. The serial port supports full-duplex and half-duplex serial communication, and supports RS485 transceiver automatic switching
1 1. Support DHCP to obtain IP address automatically
12. Support 0-2000ms serial timeout setting
13. Support DNS domain name system
14. Support KEEPALIVE mechanism
15. Supply voltage: 3.3V/5V
Interface Description:
