Timing vector program mechanism

Details Timing vector program mechanism Timing vector program mechanism

2004-09-02

2009-06-30

Perveen, Rehana (Department: 2116)

Electrical computers and digital processing systems: support

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

Reexamination Certificate

active

07555669

ABSTRACT:
Timing vectors are used to pass execution of time-dependent operations from firmware/software to a hardware component (e.g., a state machine). These vectors may be stored as a vector table in a data memory that is accessible by both the firmware/software and the hardware component. Based on the processing being performed in the system, the firmware/software will determine that one or more operations are to be performed at a certain time. The firmware/software stores a reference to that time and the operation(s) in a vector. The hardware component monitors time in the system and the vectors to determine whether the current time matches the time associated with a given vector. When there is a match, the hardware component causes the operation(s) associated with the vector to be performed. The system also may perform different operations at a given time depending on the operating condition (e.g., state) of the system.

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