<communications, hardware> (SPI) A serial interface in which a master device supplies clock pulses to exchanges data serially with a slave over two data wires (Master-Slave and Slave-Master). This term probably originated with Motorola in about 1979 with their first all-in-one microcontroller.
(2003-07-13)
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Nearby terms: serial line « Serial Line Internet Protocol « Serial Line IP « Serial Peripheral Interface » serial port » Serial Presence Detect » serial processing
