Method and apparatus of clock control associated with read...

Details Method and apparatus of clock control associated with read... Method and apparatus of clock control associated with read...

2006-01-24

2006-01-24

Elamin, A. (Department: 2116)

Electrical computers and digital processing systems: support

Clock control of data processing system, component, or data...

C713S500000

Reexamination Certificate

active

06990599

ABSTRACT:
An SD memory card host controller supplies a clock to an SD memory card and issues a read command. After that, the host controller stops supplying the clock to the SD memory card during latency of read data from receipt of a response to the read command from the SD memory card to readout of data. The host controller resumes supplying the clock immediately before a data cycle starts. Power savings can thus be achieved by controlling the clock to be supplied to the SD memory card.

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