ETIC 2230 Guia do Utilizador descarregar pdf (Página 64)

Rev. 1.10 64 November 14, 2014 Rev. 1.10 65 November 14, 2014

HT66FW2230

Wireless Charger A/D Flash 8-Bit MCU

TM1C1 Register

Bit 7 6 5 4 3 2 1 0

Name T1M1 T1M0 T1IO1 T1IO0 T1OC T1POL T1DPX T1CCLR

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

Bit7~6 T1M1~T1M0: SelectTM1OperatingMode

00:CompareMatchOutputMode

01:Undened

10:PWMMode

11:Timer/CounterMode

ThesebitssetuptherequiredoperatingmodefortheTM.Toensurereliableoperation

theTMshouldbeswitchedoffbeforeanychangesaremadetotheT1M1andT1M0

bits.IntheTimer/CounterMode,theTMoutputpincontrolmustbedisabled.

Bit5~4 T1IO1~T1IO0:SelectTP1_0,TP1_1outputfunction

CompareMatchOutputMode

00:Nochange

01:Outputlow

10:Outputhigh

11:Toggleoutput

PWMMode

00:PWMOutputinactivestate

01:PWMOutputactivestate

10:PWMoutput

11:Undened

Timer/counterMode

unused

ThesetwobitsareusedtodeterminehowtheTM1outputpinchangesstatewhena

certainconditionisreached.Thefunctionthatthesebitsselectdependsuponinwhich

modetheTM1isrunning.

IntheCompareMatchOutputMode,theT1IO1andT1IO0bitsdeterminehowthe

TM1outputpinchangesstatewhenacomparematchoccursfromtheComparatorA.

TheTM1outputpincanbesetuptoswitchhigh,switchlowortotoggleitspresent

statewhenacomparematchoccursfromtheComparatorA.Whenthebitsareboth

zero,thennochangewilltakeplaceontheoutput.TheinitialvalueoftheTM1output

pinshouldbesetupusingtheT1OCbitintheTM1C1register.Notethattheoutput

levelrequestedbytheT1IO1andT1IO0bitsmustbedifferentfromtheinitialvalue

setupusingtheT1OCbitotherwisenochangewilloccurontheTM1outputpinwhen

acomparematchoccurs.AftertheTM1outputpinchangesstateitcanberesettoits

initiallevelbychangingtheleveloftheT1ONbitfromlowtohigh.

InthePWMMode,theT1IO1andT1IO0bitsdeterminehowtheTMoutputpin

changesstatewhenacertaincomparematchconditionoccurs.ThePWMoutput

functionismodifiedbychangingthesetwobits.Itisnecessarytoonlychangethe

valuesoftheT1IO1andT1IO0bitsonlyaftertheTM1hasbeenswitchedoff.

UnpredictablePWMoutputswilloccuriftheT1IO1andT1IO0bitsarechangedwhen

theTMisrunning.

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 147 148

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