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प्रश्न
Explain the given function of pins on Intel 8085
`bar(RD)`
उत्तर
This is read control signal. This is an active low signal.
This signal indicates that selected I/O or memory device is to be read and data is available on the data bus.
It is tristated during HOLD and HALT
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Introduction to Microprocessors and Organization of 8085
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