Cuprins
1.Memoriu Justificativ……………………………………………………….…..3
1.1 Indicatiile termometrului………………………………………..…….3
1.2 Acuratetea masurarii …………………………………………..……...3
1.3 Scari termometrice …………………………………………..………. 3
2. Argument…………………………………………………………………...…. 5
2.1 Tipuri de termometre ……………………………………….……...…..5
2.2 Termometre obisnuite ……………………………………….………...5
2.3 Termometre de maxim si minim…………………………….…….…...5
2.4 Termometrul metalic …………………………………………….….…6
3. Microcontrolere…………………………………………………….....….….....7
3.1 Introducerea microcontrolerelor…………………………….....……...7
3.2 Unitatea de memorie ..............................................................................7
3.3 Unitatea de procesare centrala................................................................8
3.4 Bus-ul .....................................................................................................8
3.5 Unitatea intrare-iesire .............................................................................9
3.6 Comunicatia seriala ................................................................................9
3.7 Unitatea timer ........................................................................................11
3.8 Watchdog-ul ..........................................................................................11
3.9 Convertorul Analog-Digital ..................................................................12
3.10 Scrierea programului............................................................................13
4. Microcontrolerul PIC 16F84…………………………………………………..14
4.1 CISC, RISC……………………………………………………………15
4.2 Aplicatii..................................................................................................16
4.3 Clock-ul /ciclul instructiune …………………………………..………16
4.4 Semnificatia pinilor................................................................................17
5. Senzorul de temperatura DS 1820......