Master-slave communication system and electronic apparatus...

Details Master-slave communication system and electronic apparatus... Master-slave communication system and electronic apparatus...

2006-02-21

2006-02-21

Trinh, Sonny (Department: 2687)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S574000, C709S209000, C709S210000, C713S002000, C713S400000

Reexamination Certificate

active

07003309

ABSTRACT:
A communication system has a master device and a slave device clocked by the system clock generated by the master device for data transfer between them. When no data transfer takes place between them for a predetermined period, the slave device goes into a sleep mode. The slave device in the sleep mode can return to the active mode when it receives a system clock. Thus, the slave device can be placed in the sleep mode and return to the active mode without any additional signal lines. The communication system can save a large amount of power during the sleep.

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