Interface Design Serial Communications. Omid Fatemi. Compute. Convey. Cooperate. Typical Interface Design. Connect. Sense Reality Touch Reality Connect Transform. Embedded Systems Micros Assembler, C Real-Time Memory Peripherals Timers DMA. Busses Protocols Standards PCI
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Idle (high): Mark
Overhead? (parity, start, stop)
Source: Duck, Bishop & Read, Data Communications for Engineers, Addison-Wesley
Line drivers and line receivers
(e.g. terminal speed = 115.2kbps and line speed = 33.6kbps, in order to benefit from modem’s data compression protocol)
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Source: Horowitz and Hill, The Art of Electronics, Cambridge University Press
G(X) = x**16 + x**12 + x**5 + 1