Quadrature Decoder Driver - Freescale Semiconductor DSP56800E User Manual

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Quadrature Decoder Driver

This section describes the API for the MC56F83xx Quadrature Decoder on-chip module. The

functionality of the Quadrature Decoder module itself is described in the MC56F8300

Peripheral User Manual.

Introduction

The MC56F83xx has up to two Quadrature Decoders, Quadrature Decoder #0 and Quadrature

Decoder #1. Each Quadrature Decoder module has four input signals: PHASEA, PHASEB,

INDEX, and HOME.

This section describes the Quadrature Decoder driver software providing the lowest level

software layer, interfacing hardware to software.

Quick Reference

This section is intended to be a source of quick access information while the details are discussed

in Section 5.13.3.

Table 5-401. Quadrature Decoder Module Base Address

Module base address

Decoder #0 (Decoder0_BASE)

Decoder #1 (Decoder1_BASE)

API Definition

The following header files are needed in order to use the Quadrature Decoder device driver:

Required Header File(s):

#include "qs.h"

#include "decoder.h"

FREESCALE SEMICONDUCTOR

MC56F802x/3x

Targeting 56F8xxx Platform

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