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b
[[Fichier:ENG-CANSAT-V2-PINOUT-UART-00.png]]
[[Fichier:ENG-CANSAT-V2-PINOUT-UART-00.png]]
Before exchanging data, both device must be initialized with the same device configuration (communication speed in [https://en.wikipedia.org/wiki/Baud bauds], number of bits, parity and number of stop bits).
A common configuration is 9600 bauds, 8 bits Data, NO parity, 1 stop bit usually summarize as "9600 8N1". The next most common configuration is "115200 8N1".
When a device sends data, the uart will decompose the data into a sequence of bits (sequence of 1 and 0) THEN emit the bits one by one over the serial line.
As the both devices agreed on the communication parameter, the receiver can properly interpret the bits sequences TO recompose the original data.
== PinOut summary ==
== PinOut summary ==