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HT69F360 датащи(PDF) 109 Page - Holtek Semiconductor Inc |
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HT69F360 датащи(HTML) 109 Page - Holtek Semiconductor Inc |
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109 / 235 page ![]() Rev. 1.30 10� �ove��e� 1�� �01� Rev. 1.30 109 �ove��e� 1�� �01� HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM Bit2~0 CTRP2~CTRP0:CTMCCRP3-bitregister,comparedwiththeCTMCounterbit9~bit7 ComparatorPMatchPeriod 000:1024CTMclocks 001:128CTMclocks 010:256CTMclocks 011:384CTMclocks 100:512CTMclocks 101:640CTMclocks 110:768CTMclocks 111:896CTMclocks ThesethreebitsareusedtosetupthevalueontheinternalCCRP3-bitregister,which arethencomparedwiththeinternalcounter'shighestthreebits.Theresultofthis comparisoncanbeselectedtocleartheinternalcounteriftheCTCCLRbitissetto zero.SettingtheCTCCLRbittozeroensuresthatacomparematchwiththeCCRP valueswillresettheinternalcounter.AstheCCRPbitsareonlycomparedwiththe highestthreecounterbits,thecomparevaluesexistin128clockcyclemultiples. Clearingallthreebitstozeroisineffectallowingthecountertooverflowatits maximumvalue. CTMC1 Register Bit 7 6 5 4 3 2 1 0 �a�e CTM1 CTM0 CTIO1 CTIO0 CTOC CTPOL CTDPX CTCCLR R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7~6 CTM1~CTM0:SelectCTMOperatingMode 00:CompareMatchOutputMode 01:Undefined 10:PWMMode 11:Timer/CounterMode ThesebitssetuptherequiredoperatingmodefortheTM.Toensurereliableoperation theTMshouldbeswitchedoffbeforeanychangesaremadetothebits.IntheTimer/ CounterMode,theTMoutputpincontrolmustbedisabled. Bit5~4 CTIO1~CTIO0:SelectCTMoutputfunction CompareMatchOutputMode 00:Nochange 01:Outputlow 10:Outputhigh 11:Toggleoutput PWMMode 00:PWMoutputinactivestate 01:PWMoutputactivestate 10:PWMoutput 11:Undefined Timer/counterMode Unused ThesetwobitsareusedtodeterminehowtheTMoutputpinchangesstatewhena certainconditionisreached.Thefunctionthatthesebitsselectdependsuponinwhich modetheTMisrunning. |
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