Programmable counter system
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United States of America Patent
Stats
-
Oct 1, 1985
Grant Date -
N/A
app pub date -
May 23, 1983
filing date -
May 31, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A programmable counter system of the swallow operation type using binary counters is disclosed. The counter comprises a prescaler for frequency dividing an input signal by a frequency division factor '2.sup.n -1' or '2.sup.n ', upper and lower order bit counters for counting down an output signal from the prescaler, a flip-flop for selecting either the frequency division factor '2.sup.n -1' or '2.sup.n ' according to the logical level of the output signal of the counter A or B, and inverters for level inverting programming data and applying them to the lower order bit counter A, thereby setting a division number of the counter A to a complement of the binary code of the programming data.
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