Timer circuit having comparator comparing contents of counter an

Details Timer circuit having comparator comparing contents of counter an Timer circuit having comparator comparing contents of counter an

1993-06-11

1994-09-06

Wambach, Margaret R.

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

Comparing counts

377 51, H03K 2140

Patent

active

053454898

ABSTRACT:
A timer circuit is disclosed which includes a counter counting a clock signal, a register temporarily storing data, and a comparator comparing a count value of the counter with the data stored in the register and producing a signal when the count value of the counter reaches the value represented by the data stored in the register. Further provided in the timer circuit are detection circuit detecting the value of the data stored in the register and producing a detection signal when the register is written with data indicative of a value that is equal to an initial value of the counter and a circuit responding to the detection circuit to cause the register to change the value of the data stored therein to another value that is different from the initial value of the counter.

REFERENCES:
patent: 4566111 (1986-01-01), Tanagawa
patent: 4809221 (1989-02-01), Magliocco et al.
patent: 5029272 (1991-07-01), Fourcroy et al.

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