28-PIN DEMO BOARD USER’S GUIDE © 2006 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature.
28-PIN DEMO BOARD USER’S GUIDE Table of Contents Preface ........................................................................................................................... 1 Introduction............................................................................................................ 1 Document Layout .................................................................................................. 1 Conventions Used in this Guide ..........................................................
28-Pin Demo Board User’s Guide NOTES: DS41301A-page iv © 2006 Microchip Technology Inc.
28-PIN DEMO BOARD USER’S GUIDE Preface 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 web site (www.microchip.com) to obtain the latest documentation available. Documents are identified with a “DS” number.
28-Pin Demo Board User’s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Arial font: Italic characters Initial caps Quotes Underlined, italic text with right angle bracket Bold characters N‘Rnnnn Text in angle brackets < > Courier New font: Plain Courier New Represents Referenced books Emphasized text A window A dialog A menu selection A field name in a window or dialog A menu path “MPLAB® IDE User’s Guide” ...
Preface WARRANTY REGISTRATION Please complete the enclosed Warranty Registration Card and mail it promptly. Sending in the Warranty Registration Card entitles users to receive new product updates. Interim software releases are available at the Microchip web site. RECOMMENDED READING This user's guide describes how to use 28-Pin Demo Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources.
28-Pin Demo Board User’s Guide THE MICROCHIP WEB SITE Microchip provides online support via our web site at www.microchip.com. This web site is used as a means to make files and information easily available to customers.
Preface CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • • • • Distributor or Representative Local Sales Office Field Application Engineer (FAE) Technical Support Customers should contact their distributor, representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document.
28-Pin Demo Board User’s Guide NOTES: DS41301A-page 6 © 2006 Microchip Technology Inc.
28-PIN DEMO BOARD USER’S GUIDE Chapter 1. 28-Pin Demo Board Overview 1.1 INTRODUCTION The 28-Pin Demo Board is a small and simple demonstration PCB for Microchip’s 28-pin Dual Inline Package (DIP) PIC® Microcontroller Units (MCU). It is populated with a PIC16F886 MCU, four LEDs, push button and potentiometer. The demo board has several test points to access the I/O pins of the MCU and a generous prototyping area.
28-Pin Demo Board User’s Guide 1.4 28-PIN DEMO BOARD OVERVIEW The 28-Pin Demo Board is populated with a PIC16F886 MCU (U1), four LEDs (DS1-DS4), push button (SW1), 32 KHz crystal (X2) and potentiometer (RP1). The board layout is shown in Figure 1-1. The demo board has several test points to access the I/O pins of the MCU and a generous prototyping area. The MCU can be programmed with the PICkit™ 2 Microcontroller Programmer from header P1.
28-PIN DEMO BOARD USER’S GUIDE Appendix A. Hardware Schematics A.1 INTRODUCTION This appendix contains the 28-Pin Demo Board schematic, PCB layout and Bill of Materials. FIGURE A-1: © 2006 Microchip Technology Inc.
28-Pin Demo Board User’s Guide DS41301A-page 10 FIGURE A-2: SILKSCREEN FIGURE A-3: TOP COPPER © 2006 Microchip Technology Inc.
Hardware Schematics FIGURE A-4: TABLE A-1: BOTTOM COPPER BILL OF MATERIALS Bill of Materials Designation Qty Description C1, C2 2 Capacitor, Ceramic, 0.
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