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What is meant by Daisy Chaining method?
It does not need any priority resolving network, rather the priorities of all the devices are effectively assumed to be in sequence.
All the masters use a single bus request line for requesting the bus access. The controller sends a bus grant signal, in response to the request, if the busy signal is inactive when the bus is free. .The bus grant pulse goes to each of the masters in the sequence till it reaches a requesting master .The master then receives the grant signal, activates the busy line and gains the control of the bus. The priority is determined by the position of the requesting master in the sequence.
Why is the signal first attenuated and then amplified?
Background of Energy Conservation As a thumb rule, the energy needs of a country are about 1.5 times its GDP or the economic growth rate. India's projected growth rate up to
Externally Initiated Signals Other than interrupt there are followings externally initiated signals available in 8085 microprocessor.
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