TC74串行温度传感器演示板用户指南

ThankyouforpurchasingtheTC74SerialTemperatureSensorDemoBoardfrom

MicrochipTechnologyInc.TheTC74DemoBoardisanevaluationanddemonstration

boardspecificallydesignedtosupportMicrochip’sTC74,a2-wireserialtemperature

sensor.CommunicationwiththeTC74isaccomplishedwithaPCrunningthe

communicationsoftware.

TheevaluationboardandsoftwarefortheTC74havebeendesignedspecificallyfor

usewithaPCrunningWindows

®

95andanavailableparallelport.

TheTC74DemoBoardhasthefollowingfeatures:

1.ATC74A5-5.0VCTdevice.

2.Parallelportforpowerandcommunication.

3.3/4”x21/2”circuitboardallows“real-world”evaluationanddesign.

4.Footprintfortemperature-to-voltageIC.

5.Printerportconnector(female).

6.Unpopulatedholesforpull-upresistors.

7.Unpopulatedholesforthermistor(comparativeevaluation).TC74SerialTemperatureSensorDemoBoardUser’sGuide2002MicrochipTechnologyInc.DS51303ANotethefollowingdetailsofthecodeprotectionfeatureonMicrochipdevices:MicrochipproductsmeetthespecificationcontainedintheirparticularMicrochipDataSheet.Microchipbelievesthatitsfamilyofproductsisoneofthemostsecurefamiliesofitskindonthemarkettoday,whenusedintheintendedmannerandundernormalconditions.Therearedishonestandpossiblyillegalmethodsusedtobreachthecodeprotectionfeature.Allofthesemethods,toourknowl-edge,requireusingtheMicrochipproductsinamanneroutsidetheoperatingspecificationscontainedinMicrochip'sDataSheets.Mostlikely,thepersondoingsoisengage