Memory efficient computer system and method for controlling an automotive ignition system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 5, 2000
Grant Date -
N/A
app pub date -
May 7, 1993
filing date -
May 7, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an automotive ignition system having ignition coil banks with at least one ignition coil for energizing a corresponding spark plug, input/output (I/O) devices are provided in electrical communication with the ignition coil banks for relaying ignition coil signals, each ignition coil bank having at least one set of corresponding I/O devices relaying similar signals. The similar signals relayed by sets of corresponding I/O devices are stored in memory at addresses having a constant offset from each other. Program routines are also stored in memory for processing and generating the similar signals relayed by sets of corresponding I/O devices. The similar signals are accessed by the program routines using an indexed addressing mode and the constant address offset such that a single program routine controls one set of corresponding I/O devices independent of the ignition coil bank involved.
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Family
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