คำอธิบาย
USB to UART แปลงสัญญาณจาก USB เป็น TTL
Product Description
- 1. Chip CP2102, and a virtual serial port is generated after installing the driver
- 2. USB power supply, the leading interface includes 3.3V (<40mA), 5V, GND, TX, RX, the signal pin level is 3.3V, positive logic
- 3. On-board status indicator light and transceiver indicator light. After the driver is installed correctly, the status indicator light will always be on, and the transceiver indicator light
- will flash during communication. The higher the baud rate, the lower the brightness
- 4. Support baud rate from 300bps to 1Mbps
- 5. Communication format support
- 1) 5, 6, 7, 8 data bits;
- 2) 1, 1.5, 2 stop bits;
- 3) odd, even, mark, space, none check
- 6. Support operating system: windows vista/xp/server 2003/200, Mac OS-X/OS-9, Linux
- 7. The USB head is a male head, which can be directly connected to the computer USB port
Transmitter/Receiving
- TXD: Transmitter, generally expressed as its own transmitter, normal communication must be connected to the RXD of another device.
- RXD: The receiving end, generally expressed as its own receiving end, must be connected to the TXD of another device for normal communication.
Level logic
TTL level: Usually the data is expressed in binary, and it is stipulated that
- +5V is equivalent to logic “1”
- 0V is equivalent to logic “0”
RS232 level
- -12V to -3V equivalent logic to “0”
- +3V to +12V equivalent logic to “1”
Driver CP2102
https://www.silabs.com/documents/public/software/CP210x_Universal_Windows_Driver.zip
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