The MC6840 programmable counter had three 16-bit binary counters that could be used for frequency measurement, event counting, or interval measurement.
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:Mabye this is it : Synchronous presettable binary counter with clear Found via DatasheetArcive . Bromskloss 13 : 42, 5 October 2006 ( UTC)
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The only problem is that we don't have room in log space for a binary counter that goes up to 2 " n ".
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For example, binary counters and similar devices employ feedback where the current state and inputs are used to calculate a new state which is then fed back and clocked back into the device to update it.
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A binary counter can represent 2 ^ N states, where N is the number of bits in the code, whereas an Overbeck counter can represent only N states and a Johnson counter can represent only 2N states.
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(The terms that the OP uses are comprehensible to any electronic designer . ) You mention 16 flip-flops and you show a diagram of 3 flip-flops connected as a ripple-through binary counter.
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If the PC is a binary counter, it may increment when a pulse is applied to its COUNT UP input, or the CPU may compute some other value and load it into the PC by a pulse to its LOAD input.
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The 8520 revision of the CIA, as used in the Amiga and the Commodore 1581 disk drive, modified the time-of-day clock to be a 24-bit binary counter, replacing the BCD format of the 6526.
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On 29 April 1947, RAND Corporation began generating random digits with an " electronic roulette wheel ", consisting of a random frequency pulse source of about 100, 000 pulses per second gated once per second with a constant frequency pulse and fed into a five-bit binary counter.
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