Learn microcontroller pic16f84a
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This document provides information about the microcontroller PIC16F84A, including: 1) It describes what a microcontroller is and introduces the PIC16F84A microcontroller. 2) It lists the ports and pins available on the PIC16F84A, including Port A and Port B pins for input/output. 3) It provides examples of using ports as inputs to read buttons or switches, and as outputs to control LEDs.
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Learn microcontroller pic16f84a
- 1. 近戟近 ≡戟 Microcontroller PIC16F84A 近 近 ≡＝- ≡＝
- 2. etIGVICa Microcontroller ? Microcontroller KWCaRbB遜n脱RtYtBinit端mYy manlk巽NdUckMuB端T遜rEdlfitenAk単炭gsMbk Chip
- 3. 姻雨恢永温京恢乙丹温逮掘沿単一恰温乙一単炭乙 Microcontroller
- 5. karBiBNnaBIeCIg PIC16F84A = RckcUl signal = Rckecj signal = RckcUlk他)an Rckecjk他)an EtvaGaRs遜yelI karsresr Code
- 6. karBiBNnaBIeCIg PIC16F84A RA0, RA1, RA2, RA3, RA4 RtUv)anehAfa Port A RB0, RB1, RB2, RB3, RB4, RB5, RB6, RB7 RtUv)anehAfa Port B karehAfa Port A KWsMedAelIeCIgTaMgGs;rbs; Port A karehAfa Port A Pin 0 KWsMedAelIeCIgrbs; Port A bit 0 ( eCIg RA0 ) karehAfa Port A nig Port B manlk巽NdUcK単a Vdd RbPBviC蔵man +5V nigVss RbPBGviC蔵man 0V
- 7. etIGVICa Reset or Master clear (MCLR) ? Master clear KWCaeCIgmYysRmab;eFIVeGay Microcontroller RtLb;eTAGas遜yd脱anedImKW 00h
- 8. kartP蔵ab; Reset or Master clear
- 9. kartP蔵ab;esoKVIlMeyaledayeRbIRKiHs綻al; esoKVIlMeyalCaEp単kmYysMxan;EdlmantYnaTIbeg叩IteGayman Square Signal
- 10. kareRbIR)as; PORT CaRckecj( Output ) ral;eCIgnimYy族rbs; PORT A, PORT B mant辿m淡crn綻Gtibrma 25 mA TaMgcrn綻viC蔵man nigcrn綻GviC蔵man ( Source Current and Sink Current)
- 11. 一温姻岳永蔵温恢;赫珂京雨鉛 LED eTAkan; PORT CaFm袖taGMBUl LED sIucrn綻RbEhlBI 8mA eTA 16 mA nigtg;s端炭gRbEhl BI 1.6V eTA 2.4V . ebIGMBUlLEDsIucrn綻 10mA nigtg;s端炭g 2V
- 12. kareRbIR)as; PORT CaRckcUl( Input ) t辿m淡tg;s端炭gEdlcUleTAkan;eCIg PORT ebItg;s端炭gcUlmant辿m淡BI 2V~5V tMNageGayHigh ebItg;s端炭gcUlmant辿m淡BI 0V~0.8V tMNageGayLow
- 13. kartP蔵ab; Button eTARckcUl( Input ) Active High PORT +5V +5V Low Gt;cuc High cuc Active Low PORT High Gt;cuc Low cuc
- 14. rebobkMnt; PORT Ca Input or Output TRISx KWCa Register mYysRmab;kMnt;muxgar rbs; PORTx TRISx = 1 PORTx as Input. TRISx = 0 PORTx as Output.
- 15. karsresrkm袖viFIsRmab; PIC16F84A TMrg;TUeTArbs;Pasa C sRmab; Microcontroller void main() { while(1) { program body; } }
- 16. karsresrkm袖viFIsRmab; PIC16F84A void main() CatMbn;sRmab;RbkasGefr { rWkarkMnt;nUvmuxgarmYycMnYn while(1) { rbs; Microcontroller program body; } dUcCa Trisb = 0; or } Portb = 0; CaedIm .
- 17. karsresrkm袖viFIsRmab; PIC16F84A void main() { CatMbn;EdlmandMeNIrkarrhUt while(1) { Example: GMBUlmYyebIk program body; } } ehIybiT族CaerogrhUt. eyIgRtUvsresr Code enA k単gtMbn;enH(program body) 炭
- 18. sresrkm袖viFIeGayGMBUlmYyebIkehIybiT族CaerogrhUt void main() { Trisb = 0b00000000; // Config PortB all pin as output Portb = 0b00000000; // Send data low to all pin of PortB while(1) { Portb = 0b00000001; // Send data High to bit 0 of PortB delay_ms(1000); // Wait 1 second Portb =0b00000000; // Send data low to all pin of PortB delay_ms(1000); // Wait 1 second } }
- 20. GrKuN