Device drivers are developed illustrating the use of general-purpose and special-purpose digital I/O interfaces, analog interfaces, serial interfaces and real-time I/O processing. The hardware side of each interface is described and electrical specifications and related issues are considered. The first part of the book provides the programming skills necessary to implement the software in this part.When operated in the aona region, a LED emits light. The current that flows through the LED determines the luminous intensity. A simple LED circuit is shown in Figure 1.13. The series resistor is necessary only to limit the current that flowsanbsp;...
Title | : | Embedded Systems Interfacing for Engineers Using the Freescale HCS08 Microcontroller |
Author | : | Douglas H. Summerville |
Publisher | : | Morgan & Claypool Publishers - 2009 |
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