DS1337 Datasheet, PDF (6/13 Pages) Dallas Semiconductor – Serial Real-Time Clock

Figure 2. Timing Diagram
DS1337
OPERATION
The block diagram in Figure 3 shows the main elements of the DS1337. As shown, communications to
and from the DS1337 occur serially over a 2-wire, bidirectional bus. The DS1337 operates as a slave
device on the serial bus. Access is obtained by implementing a START condition and providing a device
identification code, followed by data. Subsequent registers can be accessed sequentially until a STOP
condition is executed.
Figure 3. Block Diagram
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