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HT45FM2C датащи(PDF) 63 Page - Holtek Semiconductor Inc |
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HT45FM2C датащи(HTML) 63 Page - Holtek Semiconductor Inc |
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63 / 171 page ![]() Rev. 1.10 6� �a� �0� �01� Rev. 1.10 6� �a� �0� �01� HT45FM2C Brushless DC Motor Flash Type 8-Bit MCU HT45FM2C Brushless DC Motor Flash Type 8-Bit MCU Preliminar� Thefollowingstepsshowthereadandwriteprocedures: • WritingDatatoCCRA ♦ Step1.WritedatatoLowByteTMxAL – notethatheredataisonlywrittentothe8-bitbuffer. ♦ Step2.WritedatatoHighByteTMxAH – heredataiswrittendirectlytothehighbyteregistersandsimultaneouslydataislatched fromthe8-bitbuffertotheLowByteregisters. • ReadingDatafromtheCounterRegistersandCCRA ♦ Step1.ReaddatafromtheHighByteTMxDHorTMxAH – heredataisreaddirectlyfromtheHighByteregistersandsimultaneouslydataislatched fromtheLowByteregisterintothe8-bitbuffer. ♦ Step2.ReaddatafromtheLowByteTMxDLorTMxAL – thisstepreadsdatafromthe8-bitbuffer. Compact Type TM – CTM AlthoughthesimplestformoftheTMtypes,theCompactTMtypestillcontainsthreeoperating modes,whichareCompareMatchOutput,Timer/EventCounterandPWMOutputmodes.The CompactTMcanalsobecontrolledwithanexternalinputpinandcandrivetwoexternaloutput pins.Thesetwoexternaloutputpinscanbethesamesignalortheinversesignal. CCRP CCRA Tn CC LR Co mp ar at or P M at ch Co mp ar at or A Ma tc h Tn CK 2~ Tn CK 0 Tn ON Tn PAU b7 ~b 9 or b 8~ b15 3 - bi t or 8 - bi t Co mp ar at or P TC Kn 10- bi t or 1 6- bi t Co m par at or A Co unt er C le ar 10- bi t o r 16- bi t Co un t- up C o unt er Tn PF I nt e rru pt Tn AF I nt e rru pt TP n Pi n Ou t put b0 ~b 9 or b 0~ b15 Tn M1 , Tn M0 Tn IO 1, T nI O0 Tn PO L Tn OC Po la ri ty Co nt ro l Ou t put Co nt ro l TP n_0 TP n_1 11 1 00 0 00 1 01 0 01 1 10 0 10 1 11 0 f SYS /4 f SYS f H /1 6 f H /6 4 f TB C Re se rv ed 0 1 Compact Type TM Block Diagram (n=0, 1, 2, 3, 5) |
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