COEF EMULATION STROBE Manual de usuario descargar pdf (Pagina 3)

Contents

Preface ........................................................................................................................................ 6

1 Introduction ......................................................................................................................... 8

2 Description ........................................................................................................................ 10

2.1 EQEP Inputs ............................................................................................................. 11

2.2 Functional Description .................................................................................................. 11

2.3 eQEP Memory Map ..................................................................................................... 12

3 Quadrature Decoder Unit (QDU) ........................................................................................... 14

3.1 Position Counter Input Modes ......................................................................................... 14

3.2 eQEP Input Polarity Selection ......................................................................................... 17

3.3 Position-Compare Sync Output ........................................................................................ 17

4 Position Counter and Control Unit (PCCU) ............................................................................ 17

4.1 Position Counter Operating Modes.................................................................................... 17

4.2 Position Counter Latch .................................................................................................. 20

4.3 Position Counter Initialization .......................................................................................... 22

4.4 eQEP Position-compare Unit .......................................................................................... 22

5 eQEP Edge Capture Unit ..................................................................................................... 24

6 eQEP Watchdog ................................................................................................................. 27

7 Unit Timer Base ................................................................................................................. 27

8 eQEP Interrupt Structure ..................................................................................................... 28

9 eQEP Registers .................................................................................................................. 28

SPRUG05A – August 2008 – Revised December 2008 Table of Contents 3

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COEF EMULATION STROBE Manual de usuario Pagina 3