* Question
| How does the basic UART communicate? |
* Answer
| The basic UART communication requires only two signal lines (RXD, TXD) to complete the data communication, and the receiving and transmitting are full-duplex.TXD is the UART transmitter and is the output; RXD is the UART receiver and is the input.There are two states on the signal line, which can be distinguished by logic l (high level) and logic 0 (low level). |
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