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Embedded Microcontroller Projects
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Microprocessors :
Analog devices like transistors and diodes lead to opamps and analog
computing. This takes more parts but with fast devices can be real
time. Then came Logic and Digital Circuits, here also big systems
will take too many parts. A very Old hp Logic Analyzer instrument,
could be HP1607A, had more than five large PCBs, Toggle Switches and
numerous 74Fxx TTL Chips. I tried to revive it, it could not
be fully restored.
Then came the solution the Microprocessor.
Here the entire system goes into the firmware and a Hardware Tool Set
in the Microprocessor made up of Logic and Math is sequentially used to
perform the same operation that would require innumerable Gates in a
plain hardware digital circuit. But as it performs the operations one
after another, it takes time and is defined by the CPU Clock Speed.
When the External RAM and EPROM and other peripheral devices moved into
the main package, MicroController
were born. When more external devices merged with the MicroController.
It formed a nearly complete computer, this is known as the SOC.
Anantha Narayan 06:48 20-Apr-07
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