Raspberry Pi : The Beginners' guide to your first project! by David Chang

Author:David Chang
Language: eng
Format: azw3, epub
Published: 2017-07-06T07:00:00+00:00

Then comes the 8 bits of data followed by a single stop bit. It is the start bit that allows the sender and receiver to synchronize on their clocks for the remaining bits. The idle state of a serial line is high. There is also the option of supplying parity bits and other control information. Some baud rates that are common are 9600, 19200, 57600 and 115200.

Remember that these are bit transmission rates and not byte rates. Since a single byte will have at least two additional bits (start and stop), this means that there are 10 bits to be transmitted for each byte. As such, a baud rate of 9600 may mean 960 (9600 / 10) bytes per second as opposed to 1200 (9600 / 8) bytes per second.

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