... different serial communication subsystems, including the serial USART, SPI, and TWI. What all of these systems have in common is the serial transmission of data. Before discussing the different serial ... serial communication features aboard the ATmega16, we review serial communication terminology. 2.2 SERIAL COMMUNICATION TERMINOLOGY In this section, we review common terminology associated with serial ... discussion of this advanced serial communication system. 2.5 SUMMARY In this chapter, we have discussed the differences between parallel and serial communications and key serial communication- related...