Control unit with dynamically managed timers

Details Control unit with dynamically managed timers Control unit with dynamically managed timers

1997-11-17

1999-11-09

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

701 29, 701 30, 701 31, 701 32, 701 33, 364130, G06G 776, G06F 1100

Patent

active

059831430

ABSTRACT:
In a control unit, particularly for use in a motor vehicle, time measurement and time control should be independent of computer-specific cycle times. The control unit includes a quartz-controlled timer with a specified clock frequency and a global timer clocked by the quartz-controlled timer. The global timer furnishes a global timing pulse as a reference time for all the program parts of the computer. A plurality of dynamically managed program-controlled timers, which receive their clock signal from the global timer, are requested by the computer program each for one time measurement associated with a specific task. After the specific task is completed, the timer is available for further tasks.

REFERENCES:
patent: 4347570 (1982-08-01), Akiyama et al.
patent: 5552991 (1996-09-01), Lee et al.
patent: 5715161 (1998-02-01), Seo

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