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USB to 232 to TTL overview

2022-06-11 04:34:00 Coir raincoat guest vs sonic

Common debugging interfaces , It's used a lot USB To serial port
First, computers USB turn RS-232 level , And other situations
Then the SCM is TTL level , So we need to RS232 turn TTL, In this way, the computer can communicate directly with the MCU Common chips are CH340,PL2303,MAX232,CP2102 etc.
If it is 485 Communications , The computer needs USB turn RS-232 Level retransmission 485
If it is CAN Communications , Also have USB turn CAN Tools for , The details need to be matched according to the situation
The following is a screenshot of common definitions :
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