Freescale Semiconductor DRM079 manual Freescale Semiconductor

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Implementation

Variable Speed DC Fan Control using the MC9RS08KA2, Rev. 0

24	Freescale Semiconductor

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Contents Variable Speed DC Fan Control using the MC9RS08KA2 Page Variable Speed DC Fan Control using the MC9RS08KA2 Revision HistoryFreescale Semiconductor Table of Contents Freescale Semiconductor Chapter Introduction IntroductionFreescale’s New Generation Ultra Low Cost MCU DC Fan Reference Design TargetsBi-Phase Bldc Motor Bi-Phase Bldc Motor DiagramFreescale Semiconductor Chapter Motor Control CommutationRotor Position Control Commutation Waveforms Speed ControlFault Detection Motor StartupFreescale Semiconductor Block Diagram Chapter ImplementationHardware Resources Control Loop Firmware Control Loop Temperature Sensor Measurement = V DD⎜ RC⎟#63, Mtimmod ACMPSCACF, AcmpscAcmpsc Temperature Conversion Temperature Conversion Table Freescale Semiconductor VR1 Freescale Semiconductor Appendix B Program Listing Rtidisable MtimtclkfallingMtimtclkrising Acmpoutputboth#HIGH613NVICSTRM, Pagesel MAPADDR6NVFTRIM, IcsscMAPADDR6NVICSTRM, Icstrm $3FFA #ICSDIV2, ICSC2Kbies Kbipe#MTIMBUSCLKMTIMDIV256, Mtimclk #255, MtimmodMAPADDR6SRS Rts Drive coilKBISCKBACK, Kbisc MTIMSCTOF, MtimscKbisc BUZZER, Ptad#6, Mtimmod #24, Mtimmod#30, Mtimmod Page How to Reach Us