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Introduction
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.
? 2006 Microchip Technology Inc.
DS51584B-page 9
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