what is the major difference between uart and usart and
their applications

Answer Posted / sathiya seelan.s

UART - Universal Asyncronous Receiver Transmitter
USART - Universal Syncronous Asyncronous Receiver Transmitter

In uart data is send byte by byte. one start bit and 1 or 2
stop bits are attached with a byte. The max speed for the
data can be upto 100kps.

In USART data is send in the form of blocks.

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