Method and apparatus for timing-dependant transfers using FIFOs

Details Method and apparatus for timing-dependant transfers using FIFOs Method and apparatus for timing-dependant transfers using FIFOs

2005-08-09

2005-08-09

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C710S005000, C710S006000, C710S058000, C711S167000, C712S245000

Reexamination Certificate

active

06928494

ABSTRACT:
A method and apparatus for communicating commands and/or data between two different time domains. In one embodiment, multiple memory commands are placed into one or more FIFOs in a manner that specifies the delays that must take place between execution of the different commands. Along with the commands, delay information is placed into the FIFOs, specifying the number of clock cycles, or other form of time delay, that must elapse between execution of a command and execution of a subsequent command. This delay information is used to delay the execution of the subsequent command for the specified time period, while minimizing or eliminating any excess delays. Cue information can also be placed into the FIFOs with the commands to specify which commands must wait for other commands before beginning execution. The delay and cue information is determined and created in the time domain that initiates the transfers. The delays and cueing are executed in the other time domain. Although the different commands may be delivered through different FIFOs and can therefore have unpredictable arrival times with respect to each other, the delay and cueing information maintains the proper execution order and timing between the commands. Interactive control logic at the output of each FIFO uses the timing data to maintain execution in the proper order and with the proper inter-command delays.

REFERENCES:
patent: 5175732 (1992-12-01), Hendel et al.
patent: 5758131 (1998-05-01), Taylor
patent: 5953689 (1999-09-01), Hale et al.
patent: 5987594 (1999-11-01), Panwar et al.
patent: 6092129 (2000-07-01), Smith et al.
patent: 6192446 (2001-02-01), Mullarkey et al.
patent: 6370600 (2002-04-01), Hughes et al.
patent: 6385708 (2002-05-01), Stracovsky et al.
patent: 6418518 (2002-07-01), Wen

Affiliated with

Also associated with

Rating

Method and apparatus for timing-dependant transfers using FIFOs does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for timing-dependant transfers using FIFOs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for timing-dependant transfers using FIFOs will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3480444