Microchip Technology DM300019 Data Sheet

Page of 50
Introduction
© 2006 Microchip Technology Inc.
DS51584B-page 9
1.4
FUNCTIONALITY AND FEATURES
The dsPICDEM 80-Pin Starter Development Board provides the following capabilities:
Development Board Power 
• On-board variable voltage regulator for 3.3V and 5.0V output with direct input from 9V, 
AC/DC wall adapter
• 9 VDC power source input jack for development board
• Power-on indicator LED
MPLAB ICD 2 and MPLAB ICE 4000 Connections
• MPLAB ICD 2 programming connector
• Emulation header for connection to MPLAB ICE 4000
• Pad location for 80-pin TQFP dsPIC DSC device
Serial Communication Channel
• Single RS-232 communication channel
Analog
• One 10 k
Ω Potentiometer (RP2)
• Microchip MCP41010 Digital Potentiometer
• Microchip MCP6022 Operational Amplifier 
- Output configured as low-pass filter for digital potentiometer
- Input configured as low-pass filter for sampling input signals with the ADC
Device Clocking
• 7.37 MHz crystal (Y1) for dsPIC DSC device
Miscellaneous
• Reset push button switch (S3) for resetting the dsPIC DSC device
• Four red LEDs (RD4-RD7)
• Two push button switches (S1-S2) for external input stimulus
• 80-pin dual-row header with labeled pinouts.
• Prototype area for user hardware
• Supports 100-to-80-pin dsPIC33F and PIC24 Plug-in Modules
1.5
dsPICDEM 80-PIN STARTER DEVELOPMENT BOARD DEMONSTRATION 
PROGRAM
The dsPICDEM 80-Pin Starter Development Board is supplied with a pre-loaded 
demonstration program that exercises principal CPU functions and peripheral options 
that allow interaction with the program as follows:
• Demonstrates interrupt handling by using switches S1 and S2 to blink LEDs RD4 
and RD5, respectively.
• Demonstrates digital-to-analog conversion by generating an audio tone on LINE 
OUT.
• Demonstrates analog-to-digital conversion by adjusting Potentiometer RP2 and 
transmitting the resulting digital value to the HyperTerminal on a PC.
Refer to Chapter 3. “Demonstration Program Operation” for details on the 
demonstration code operation.