Freescale Semiconductor DRM079 manual How to Reach Us

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DRM079

Rev. 0, 5/2006

RoHS-compliant and/or Pb-free versions of Freescale products have the functionality and electrical characteristics of their non-RoHS-compliant and/or non-Pb-free counterparts. For further information, see http://www.freescale.com or contact your Freescale sales representative.

For information on Freescale’s Environmental Products program, go to http://www.freescale.com/epp.

Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products. There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document.

Freescale Semiconductor reserves the right to make changes without further notice to any products herein. Freescale Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Freescale Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters that may be provided in Freescale Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”, must be validated for each customer application by customer’s technical experts. Freescale Semiconductor does not convey any license under its patent rights nor the rights of others. Freescale Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer purchase or use Freescale Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold Freescale Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Freescale Semiconductor was negligent regarding the design or manufacture of the part.

Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners.

© Freescale Semiconductor, Inc. 2006. All rights reserved.

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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 Commutation Chapter Motor ControlRotor Position Control Commutation Waveforms Speed ControlFault Detection Motor StartupFreescale Semiconductor Chapter Implementation Block DiagramHardware Resources Control Loop Firmware Control Loop Temperature Sensor Measurement = V DD⎜ RC⎟ACMPSCACF, Acmpsc #63, MtimmodAcmpsc Temperature Conversion Temperature Conversion Table Freescale Semiconductor VR1 Freescale Semiconductor Appendix B Program Listing Mtimtclkrising RtidisableMtimtclkfalling AcmpoutputbothMAPADDR6NVICSTRM, Icstrm $3FFA #HIGH613NVICSTRM, PageselMAPADDR6NVFTRIM, Icssc #ICSDIV2, ICSC2#MTIMBUSCLKMTIMDIV256, Mtimclk KbiesKbipe #255, MtimmodMAPADDR6SRS Rts Drive coilKBISCKBACK, Kbisc MTIMSCTOF, Mtimsc#6, Mtimmod KbiscBUZZER, Ptad #24, Mtimmod#30, Mtimmod Page How to Reach Us