Introduction to Microcontrollers and the Board of Education

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Presentation transcript:

Introduction to Microcontrollers and the Board of Education Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers Introduction to Microcontrollers and the Board of Education Project Lead The Way, Inc Copyright 2009

Board of Education (BOE) - Intro Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers Board of Education (BOE) - Intro This presentation will Present an overview of Microcontrollers and their typical applications Detail Parallax’s Board of Education Single Board Computer Detail Parallax’s BASIC Stamp Module and the PIC- 16C57 Microcontroller Present an overview of the BASIC Stamp Development System Project Lead The Way, Inc Copyright 2009

First…. What is a Computer? Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers First…. What is a Computer? All computers, including microcontrollers, must contain… Central Processing Unit (CPU) Some form of memory (MEMORY) Input & Output Devices (I/O) Project Lead The Way, Inc Copyright 2009

Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers PC Computer PC computers (i.e. a desktop or laptop) are designed to… Perform a wide verity of tasks. Run numerous programs. A PC computer generally contain… CPU : A very powerful processor such as Intel’s Pentium  or AMD’s Phenom Memory : Several types of memory such as ROM, RAM, Cache, DVD, CD, and a Hard drive. I/O : Keyboard/Mouse for inputs & Monitor/Printer for outputs. Project Lead The Way, Inc Copyright 2009

Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers Microcontroller What makes a microcontroller different ? Microcontrollers are designed to… Perform one dedicated task. Run one specific program. A microcontroller generally contain… CPU : Small, low cost, and low power processor. With their features limited to the requirements of the application. Memory : ROM memory to hold the one program and a small amount of RAM. I/O : Depends on the application Burglar Alarm System : Inputs from window & door switches; Outputs to siren and 911 auto dialer. Automotive Cruise Control : Inputs from controls and speedometer; Outputs to accelerator and brakes. Project Lead The Way, Inc Copyright 2009

Microcontroller Applications Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers Microcontroller Applications Microcontrollers are frequently called "embedded controllers" or "embedded systems" because they’re embedded inside other device Typical applications Burglar Alarm System Automotive Cruse Control Cell Phones MP3 Players Home HVAC Systems Can you think of other applications? Project Lead The Way, Inc Copyright 2009

Introduction to the Board Of Education Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers Introduction to the Board Of Education In this class you will be using a single board computer called the Board Of Education (BOE). The BOE is manufactured by Parallax Inc. www.parallax.com) With a little background in the BASIC programming language, the BOE will allow you to implement embedded controllers/systems quickly and easily. Board Of Education Project Lead The Way, Inc Copyright 2009

Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers Overview of the BOE USB Interface to PC Battery & Wall-Wart Connectors and Voltage Regulator Servo Motor Interface Connectors Proto-Board Area Reset Switch Power Switch Connection Headers to BASIC Stamp BASIC Stamp Project Lead The Way, Inc Copyright 2009

Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers The BASIC Stamp Signal Conditioning Conditions voltage signals between USB connection (+/- 12V) and BASIC Stamp (5V) EEPROM Stores the PBASIC program. 5V Regulator Regulates voltage to 5V with a supply of 5.5VDC to 15VDC System Clock Sets the speed at which the instructions are executed PIC-16C57 Microcontroller Executes the PBASIC instructions stored in the EEPROM Project Lead The Way, Inc Copyright 2009

Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers The BASIC Stamp Why is it called the BASIC Stamp? First; it runs programs written in the BASIC programming language. Beginner's All-purpose Symbolic Instruction Code Second; It looks like, and is about the size of, a postage stamp. Project Lead The Way, Inc Copyright 2009

The PIC-16C57 Microcontroller Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers The PIC-16C57 Microcontroller The Microcontroller on the BASIC Stamp The PIC name refers to "Peripheral Interface Controller" 8 Bit System / CMOS Technology 20 General Purpose I/O Pins 8 Bit Counter 2 K Bytes of EEPROM 72 Bytes of RAM Manufactured by Project Lead The Way, Inc Copyright 2009

BASIC Stamp Development System Intro to Microcontrollers and the BOE Digital Electronics 4.1 Introduction to Microcontrollers BASIC Stamp Development System Icon to Start BASIC Stamp Development System Current Directory Standard Tool Bar Directory Sub-Window This window shows all the directories and sub-directories on your hard drive. Program Sub-Window This is where your program goes. File Sub-Window This window shows all the BASIC program files that are in the current directory Project Lead The Way, Inc Copyright 2009

Intro to Microcontrollers and the BOE Digital Electronics TM 4.1 Introduction to Microcontrollers Resources Parallax Inc. (2004). What’s A Microcontroller. Retrieved July 15, 2009 fttp://www.parallax.com/tabid/440/Default.aspx Project Lead The Way, Inc. Copyright 2009