Freescale Semiconductor | Freescale Semiconductor DRM079 guide

Implementation

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

24	Freescale Semiconductor

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Freescale Semiconductor DRM079 manual Freescale Semiconductor

Contents

Variable Speed DC Fan Control using the MC9RS08KA2 Page Variable Speed DC Fan Control using the MC9RS08KA2 Revision History Freescale Semiconductor Table of Contents Freescale Semiconductor Chapter Introduction Introduction Freescale’s New Generation Ultra Low Cost MCU DC Fan Reference Design Targets Bi-Phase Bldc Motor Bi-Phase Bldc Motor Diagram Freescale Semiconductor Chapter Motor Control CommutationRotor Position Control Commutation Waveforms Speed Control Fault Detection Motor Startup Freescale 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, ICSC2 Kbies Kbipe#MTIMBUSCLKMTIMDIV256, Mtimclk #255, Mtimmod MAPADDR6SRS Rts Drive coil KBISCKBACK, Kbisc MTIMSCTOF, Mtimsc Kbisc BUZZER, Ptad#6, Mtimmod #24, Mtimmod #30, Mtimmod Page How to Reach Us