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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HT45F75 데이터시트(PDF) 161 Page - Holtek Semiconductor Inc |
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HT45F75 데이터시트(HTML) 161 Page - Holtek Semiconductor Inc |
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161 / 190 page  Rev. 1.10 1�0 De�e��e� 1�� �01� Rev. 1.10 1�1 De�e��e� 1�� �01� HT45F75 Body Fat Scale Flash MCU HT45F75 Body Fat Scale Flash MCU OnlyahalfsinewavepatternP0~PDNR-1isgeneratedwhichisstoredinRAMSector2withan addressrangeof80H~BFH.Thesinewavepatterndatabits[7:0]arestoredwithevenaddresses whilethesinewavepatterndatabit[8]isstoredwithanoddaddress.Oncethesinewavegenerator isenabled,theCPUwillnotbeabletowriteorreaddatato/fromthisRAMarea.Thesinegenerator willreadtheRAMdataandtransmitittothe10-bitDAC. ThedevicewillreadthehalfsinewavepatternfromtheRAMandgeneratetheactualsine waveformontheSINpin.Refertothefollowingdiagram: �'s Co�ple�ent 0 1 + SINE[8:0] DAC 0 1 D[9:0] D[8:0] D[9] “ 1” “ 0” DN_CNT>=DNR 80H 81H 8�H 83H BDH BCH BBH BEH BFH . . . RAM (Sector 2) SINE0[8:0] SINE1[8:0] SINE�[8:0] SINE3[8:0] . . . . . SINE30[8:0] SINE31[8:0] SINE Wave Pattern SINE0[7:0] SINE0[8] SINE1[7:0] SINE1[8] SINE30[7:0] SINE30[8] SINE31[7:0] SINE31[8] |
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