Part Number
|
UPD4702 |
Manufacturer
|
NEC |
Description
|
INCREMENTAL ENCODER 8-BIT UP/DOWN COUNTER CMOS INTEGRATED CIRCUITS |
Published
|
Apr 17, 2005 |
Detailed Description
|
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4702
INCREMENTAL ENCODER 8-BIT UP/DOWN COUNTER CMOS INTEGRATED CIRCUITS
DESCRIP...
|
Datasheet
|
UPD4702
|
Overview
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4702
INCREMENTAL ENCODER 8-BIT UP/DOWN COUNTER CMOS INTEGRATED CIRCUITS
DESCRIPTION
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 leading.
Eight-bit count data is output in real time.
A carry output and borrow output are also provided for counter overflow and underflow.
The µPD4704 is also available; use of these enables the count width to be extended.
FEATURES
• Incremental inputs (A, B) • On-chip phase discrimination circuit (up-count mode when the phas...
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