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Parallax Lab PE Platform Setup

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PE Platform Setup
P
E
K
ROPELLER
DUCATION
IT
Introduction
The Propeller Education (PE) Kit Platform and Propeller Plug USB to serial converter/programming
tool are shown in Figure 1.
microcontroller in the center along with support circuits that make it a convenient and reusable
project platform. The support circuits include:
•
5.0 V and 3.3 V voltage regulators
•
EEPROM for non-volatile program storage
•
5 MHz external crystal oscillator for precise clock signal
•
Reset button for manual program restarts
•
LED power indicator
•
9 V battery-to-breadboard connector
•
4-pin Propeller Plug header for program downloads and bidirectional communication with the
PC.
In this lab, you will assemble the PE Platform and run a test program to verify that the platform is
correctly wired and fully functional. If there is a wiring error, you will also perform the trouble-
shooting steps necessary to find and correct the error.
Figure
1: PE Kit Platform
Copyright © Parallax Inc. ● PE Platform Setup v1.0 ● 11/2/2006 ● Page 1 of 12
599 Menlo Drive, Suite 100
Rocklin, California 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
L
S
AB
ERIES
The PE Platform is an array of breadboards with a Propeller
Sales:sales@parallax.com
Technical: support@parallax.com
Web Site: www.parallax.com
TM

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Summary of Contents for Parallax Lab PE Platform

  • Page 1 If there is a wiring error, you will also perform the trouble- shooting steps necessary to find and correct the error. Figure 1: PE Kit Platform Copyright © Parallax Inc. ● PE Platform Setup v1.0 ● 11/2/2006 ● Page 1 of 12...

  • Page 2: Procedure Overview

    What’s a Microcontroller? text and parts for every activity. The What’s a Microcontroller? text is also available for free PDF download from www.parallax.com, and both kits are available for purchase from the web site as well as from a variety of electronics retailers and distributors. To find a retailer or distributor near you, check the Distributors list under the Company category at the Parallax web site.

  • Page 3: Software And Driver Installation

    Software and Driver Installation The Propeller Tool software is available for download from the Parallax web site. One of its default installation features is the USB drivers for the Propeller Plug communication and programming tool.
  • Page 4 Build the circuit in Figure 2, using Figure 3 as a placement guide. (Remember to leave out the battery, Propeller Plug, and Propeller chip for now). Figure 2: Schematic – Propeller DIP Plus Kit Copyright © Parallax Inc. ● PE Platform Setup v1.0 ● 11/2/2006 ● Page 4 of 12...

  • Page 5: Connection Testing

    This typically serves as a common ground, and each negative rail is connected to the battery’s negative terminal on the PE Platform. Copyright © Parallax Inc. ● Application Note Title and Version ● 11/2/2006 ● Page 5 of 12...
  • Page 6 Plug in the battery and verify that the LED power light glows brightly, as in your earlier battery test. If it does not, disconnect the battery immediately, and go to Troubleshooting entry (4) on page 11. Copyright © Parallax Inc. ● PE Platform Setup v1.0 ● 11/2/2006 ● Page 6 of 12...

  • Page 7: Programming Connection

    For the next test circuits, you will need the following parts from the PE Project Parts bag: (1) LED - Red, green or yellow (1) Resistor - 100 Ω (1) Resistor – 10 kΩ (1) Pushbutton (4) Jumper wires Copyright © Parallax Inc. ● Application Note Title and Version ● 11/2/2006 ● Page 7 of 12...
  • Page 8 For this, you’ve got a choice of (L, 4), (K, 4), or (I, 4). Figure 4: Test Circuit Schematic Figure 5: Test Circuit Wiring Diagram Copyright © Parallax Inc. ● PE Platform Setup v1.0 ● 11/2/2006 ● Page 8 of 12...
  • Page 9 Propeller chip’s RAM using the Run → Compile Current → Load RAM feature (F10). However, we will use PushbuttonLedTest.spin to test is whether the EEPROM was correctly wired by using the Propeller Tool’s Load EEPROM feature (F11). Copyright © Parallax Inc. ● Application Note Title and Version ● 11/2/2006 ● Page 9 of 12...
  • Page 10 You can download PushbuttonLedTest.spin from the Propeller Education Kit product page at www.parallax.com. Then, simply drag and drop it onto the Propeller Tool’s Edit Pane to open it. Open PushbuttonLedTest.spin into the Propeller Tool, or type it in. If you type, be careful to indent each line exactly as shown.

  • Page 11: Troubleshooting

    (1) If there is no apparent communication when you plug the Propeller Plug into the PC’s USB port, follow the USB link on the Parallax home page. It will take you to the Installing USB Drivers Page. If the steps on that page don’t fix the problem, follow the Troubleshooting link at the bottom of that web page.

  • Page 12: Tech Support Resources

    7:00 am and 5:00 pm Pacific time. • Forums: http://forums.parallax.com/forums/. Here you will find an active forum dedicated to the Propeller chip, frequented by both Parallax customers and employees. Copyright © Parallax Inc. ● PE Platform Setup v1.0 ● 11/2/2006 ● Page 12 of 12...

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