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• 06:51, 13 January 2023 Jan talk contribs created page Uart (Created page with "https://blog.mbedded.ninja/electronics/communication-protocols/uart-communication-protocol/ URT is a serial connection that was implemented without being standardized. UART chip 8250 and it's newer version 16540 was used as a parallel to serial interface between the processor and the rs232 port (de9 subcontractor / db25) the original 8250 had an 8 bit buffer Tx/Rx and no clock signal. Instead stop start was used, problems with IRQ, every byte triggered an interrupt. Pr...")