Rainbow-electronics DS2505 Bedienungsanleitung PDF herunterladen (Seite 20)

DS2505

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READ/WRITE TIMING DIAGRAM Figure 10 (cont’d)

NOTE:

For read-data time slots the optimal sampling point for the master is as close as possible to the end of the

RDV

period without exceeding the 15 µs window. For the case of a read-one time slot, this maximizes the

amount of time for the pull-up resistor to recover the line to a high land. For a read-zero time slot it

ensures that a read will occur before the fastest 1-Wire device releases the line (t

RELEASE

= 0).

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Rainbow-electronics DS2505 Bedienungsanleitung Seite 20