Input and output
|A single-bit input or output is all that is needed in many control systems. Assembler and BASIC programs for microcontroller systems, microprocessor systems, and PCs, using single-bit input and output, are presented and discussed. Delay routines are introduced. Two routines suitable for microelectronic control systems are described, with programs in assembler and BASIC.|
A 1-bit input or a set of 1-bit inputs is all that is needed in many control applications. In Fig 1.3, one of the two proximity sensors (7 and 8) has a high output (logic 1) when the sliding valve is at one end of its track. At other times their outputs are logic 0.
Similarly, an output may need only one bit to perform a vital task. It takes ...
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