Serial Buses
Integrated circuits are more expensive when they have more pins. To reduce the number of pins in a package, many ICs use a serial bus to transfer data when speed is not important. Some examples of such low-cost serial buses include SPI, I²C, UNI/O, and 1-Wire.
Read more about this topic: Serial Communication
Famous quotes containing the word serial:
“An autobiography is an obituary in serial form with the last instalment missing.”
—Quentin Crisp (b. 1908)