Description:
The 2-CH UART TO ETH provides an easy way to communicate between UART TTL and RJ45 Ethernet, allowing bi-directional transparent data transmission. It is easy to use, along with features like fast data rate, low power consumption, high stability, suits applications such as safety & security, IoT, and so on.
Specifications:
| Operating voltage | 3.3V/5V | Operating current | 140mA |
|---|---|---|---|
| Operating mode | TCP/UDP | UART baudrate | 300bps ~ 921.6Kbps |
| UART TTL level | 3.3V / 5V compatible | Storage temperature | -55℃ ~ 125℃ |
| Operating temperature | -40℃ ~ 85℃ |
Features:
- Embedded Ethernet MAC and PHY layers.
- Bi-direction transparent data transmission between UART and Ethernet.
- 10/100M, full-duplex/half-duplex auto-negotiation Ethernet interface, 802.3-compliant.
- Auto-MDI/MDIX, detect and switch cable type automatically.
- Supports DHCP auto-obtained IP and DNS domain access.
- Network parameter configuration like chip operating mode, port, IP, via host computer software or UART command.
- Four operating modes: TCP CLIENT, TCP SERVER, UDP CLIENT, UDP SERVER.
- 2-CH UART concurrent operation, standalone transparent transmission for each channel.
- Full-duplex or half-duplex UART communication supports RS485 RX/TX auto switch.
- Supports virtual serial port software (provided).
- KEEPALIVE mechanism support.
What's On Board:
- UART 1 connection status indicator
- UART 2 connection status indicator
- Power indicator
- CH9121 control pins
- CH9121 driver
- AMS1117-3.3V power supply IC
- RT9193-18GB power supply IC
- Ethernet port
Pin Description:
| 5V/3V3 | power positive, use any pin of 5V/3.3V pins for power supply |
| GND | ground |
| RST1 | external reset input, low active |
| RESET | restore to factory setting, detected when chip power on, low active |
| TXD1 | asynchronous UART 1 data output (enabled by default) |
| TXD2 | asynchronous UART 2 data output (disabled by default) |
| RXD1 | asynchronous UART 1 data input (enabled by default) |
| RXD2 | asynchronous UART 2 data input (disabled by default) |
| CFG0 | UART config mode, low level to enter configuration, high level to exit configuration |
| RUN | Operating status indicating pin |
| DIR1 | UART 1 RS485 RX/TX switch (connects to external RS485 controller) |
| DIR2 | UART 2 RS485 RX/TX switch (connects to external RS485 controller) |
Useful Link:
Package Included:
1 x 2-CH UART TO ETH Converter