[问答]

请问EQEP 的索引（index）事件与锁存（strobe）事件到底什么意思

2020-7-18 10:14:11 3048 锁存索引

0 请问EQEP 的索引（index）事件与锁存（strobe）事件到底什么意思是，功能如何理解；还有位置计数器（QPOSCNT）如何工作计数的，谢谢 0
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0 · eQEPI: Index or Zero Marker The eQEP encoder uses an index signal to assign an absolute start position from which position information is incrementally encoded using quadrature pulses. This pin is connected to the index output of the eQEP encoder to optionally reset the position counter for each revolution. This signal can be used to initialize or latch the position counter on the occurrence of a desired event on the index pin. · QEPS: Strobe Input This general-purpose strobe signal can initialize or latch the position counter on the occurrence of a desired event on the strobe pin. This signal is typically connected to a sensor or limit switch to notify that the motor has reached a defined position. QPOSCNT只要当A或者B出现电平变化都会累加，累加方向与转动方向一致

2020-7-18 10:27:14 评论举报 1^# 李渝辉