UPD4702 circuits equivalent, incremental encoder 8-bit up/down counter cmos integrated circuits.
* Incremental inputs (A, B)
* On-chip phase discrimination circuit (up-count mode when the phase order is A → B, down-count mode when B → A) 4-multiplication coun.
The µPD4702 is 8-bit up/down counters for an incremental encoder. Two-phase (A, B) incremental input signals are phase-differentiated, and on each signal edge, an up-count is executed if the A phase is leading, or a down-count if the B phase is leadi.
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