At 07:35 PM 5/12/2005, kenasw@btinternet.com wrote:
>Dear all,
>What would be the difference between rs232, usart, and pc com port.


What is the difference between a chicken, an egg, and an omlette?

A PC may use a UART or A USART as it's COM port, which then passes 
through level shifters to comply with the RS-232 standard.

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