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User's Guide

PIC16F18446 Sensor Board User's Guide

Preface

Important: Notice to customers:

All documentation becomes dated, and this manual is no exception. Microchip tools and

documentation are constantly evolving to meet customer needs, so some actual dialogs and/or

tool descriptions may differ from those in this document. Please refer to our website

(www.microchip.com) to obtain the latest documentation available.

Documents are identified with a “DS” number. This number is located on the bottom of each

page, in front of the page number. The numbering convention for the DS number is

“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the

document.

For the most up-to-date information on development tools, see the MPLAB ® IDE online help.

Select the Help menu, and then Topics to open a list of available online help files.

Introduction

This document describes the features and operation of the PIC16F18446 Sensor Board. The

PIC16F18446 Sensor Board was created to provide examples of how to use the PIC16F18446 MCU to

interface with various sensor elements. It also shows how the MPLAB® Xpress PIC16F18446 evaluation

board can be connected to a target board to create a rapid prototype of an application.

Recommended Reading

This user's guide describes the hardware and software component of the PIC16F18446 Sensor Board, as

well as how the user is able to interract with it. Other useful documents are listed below. The following

Microchip documents are available and recommended as supplemental reference resources.

• PIC16(L)F18426/46 14/20-Pin Full-Featured, Low Pin Count Microcontrollers with XLP

(DS40001985A)

For the latest information on using the device, read the “ ” file (an HTMLReadme for Device #.htm

file) in the Readmes subdirectory of the MPLAB IDE installation directory. The release notes (Readme)

contains update information and known issues that may not be included in this user’s guide.

Table of Contents

Preface............................................................................................................................ 1

1. Introduction................................................................................................................3

1.1. Prerequisites................................................................................................................................ 3

2. Overview....................................................................................................................4

2.1. Block Diagram..............................................................................................................................5

2.2. Operation Guide...........................................................................................................................6

3. Software Details........................................................................................................ 7

3.1. Splash Page................................................................................................................................. 8

3.2. Battery Level Measurement......................................................................................................... 8

3.3. Temperature Measurement.......................................................................................................... 9

3.4. Pressure Measurement..............................................................................................................10

3.5. Proximity Detection and Measurement...................................................................................... 10

3.6. Metal Detection...........................................................................................................................11

3.7. Firmware Programming..............................................................................................................12

4. Hardware Details..................................................................................................... 13

4.1. MPLAB Xpress PIC16F18446....................................................................................................13

4.2. Battery Measurement.................................................................................................................13

4.3. Temperature Sensing................................................................................................................. 13

4.4. Pressure Sensing.......................................................................................................................14

4.5. Proximity Sensing.......................................................................................................................15

4.6. Metal Detection.......................................................................................................................... 16

4.7. User Interface.............................................................................................................................16

5. Revision History.......................................................................................................19

The Microchip Web Site................................................................................................ 20

Customer Change Notification Service..........................................................................20

Customer Support......................................................................................................... 20

Microchip Devices Code Protection Feature................................................................. 20

Legal Notice...................................................................................................................21

Trademarks................................................................................................................... 21

Quality Management System Certified by DNV.............................................................22

Worldwide Sales and Service........................................................................................23

User's Guide

1. Introduction

This is the user’s guide for the PIC16F18446 Sensor Board, based on the MPLAB ® Xpress PIC16F18446

evaluation board.

The purpose of the PIC16F18446 Sensor Board is to show the implementation of various sensor

interfacing the 12-bit Analog-to-Digital Converter with Computation (ADC2). This peripheral automates

Capacitive Voltage Divider (CVD) techniques for advanced touch sensing, averaging, filtering,

oversampling and automatic threshold comparison. The ADC2 is used in the context of several

applications that make use of its features along with other peripherals and Core Independent Peripherals

(CIPs).

Figure 1-1. PIC16F18446 Sensor Board

1.1 Prerequisites

In order to get started with the demo, the user needs the following:

• Hardware:

– PIC16F18446 Sensor Board with the MPLAB Xpress PIC16F18446 attached;

– Two AA batteries to power the PIC16F18446 Sensor Board USB cable to power theor

MPLAB Xpress PIC16F18446 board.

• Software:

– MPLAB Xpress environment MPLAB X IDE version 4.10 or higher, to compile the firmware;or

– PIC16F18446 Sensor Board firmware.

User's Guide

Introduction

Product specificaties

Merk:	Microchip
Categorie:	Niet gecategoriseerd
Model:	PIC16F18446

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