DS2405P(1999) Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS2405P
(Rev.:1999)

Addressable Switch

Dallas Semiconductor -> Maxim Integrated 

BUS MASTER CIRCUIT Figure 3

A) Open Drain

DS2405

To data connection

of DS2405

B) Standard TTL

To data connection

of DS2405

TRANSACTION SEQUENCE

The sequence for accessing the DS2405 via the 1-Wire port is as follows:

§ Initialization

§ ROM Function Command

§ Read Data

INITIALIZATION

All transactions on the 1-Wire bus begin with an initialization sequence. The initialization sequence

consists of a Reset Pulse transmitted by the bus master followed by a Presence Pulse(s) transmitted by the

slave(s).

The Presence Pulse lets the bus master know that at least one DS2405 is on the bus and is ready to

operate. For more details, see the “1-Wire Signaling” section.

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