Termination switching based on data rate

Details Termination switching based on data rate Termination switching based on data rate

2008-03-10

2010-06-29

Barnie, Rexford N (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Bus or line termination

C326S028000, C365S189050, C365S206000, C365S233130

Reexamination Certificate

active

07746098

ABSTRACT:
Embodiments of the invention are generally related to systems comprising devices connected by a bus. A device in the system may include termination control logic capable of detecting changes in the system clock frequency. Upon detecting a clock frequency, the termination control logic may determine whether the clock frequency is greater than a threshold frequency. If so, the termination control logic may enable bus termination. However, if the new clock frequency is lower than the threshold frequency, bus termination may be disabled, thereby conserving power.

REFERENCES:
patent: 6807650 (2004-10-01), Lamb et al.
patent: 2003/0206164 (2003-11-01), Juenger
patent: 2003/0235107 (2003-12-01), Jang
patent: 2004/0201402 (2004-10-01), Rajan et al.
patent: 2008/0183956 (2008-07-01), Mayer et al.

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