CH9121 soros port - Ethernet hálózati modul TTL átviteli modul Ipari STM32 mikrovezérlő
CH9121 Serial Port to Ethernet Network Module TTL Transmission Module Industrial Microcontroller STM32
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
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