ETIC 2230 Guia do Utilizador descarregar pdf (Página 72)

Rev. 1.10 72 November 14, 2014 Rev. 1.10 73 November 14, 2014

HT66FW2230

Wireless Charger A/D Flash 8-Bit MCU

Standard Type TM – STM

TheStandardTypeTMcontainsveoperatingmodes,whichareCompareMatchOutput,Timer/

EventCounter,CaptureInput,SinglePulseOutputandPWMOutputmodes.TheStandardTMcan

alsobecontrolledwithanexternalinputpinandcandriveoneexternaloutputpins.

Name TM No. TM Input Pin TM Output Pin

10-bit STM 0 TCK0 TP0







   

   









 

 

 

  

 

 

 



   



 

 

  



  

 



 

  

  

  



 





























 





 









Standard Type TM Block Diagram (n=0)

Standard TM Operation

Atitscoreisa10-bitcount-upcounterwhichisdrivenbyauserselectableinternalorexternalclock

source.Therearealsotwointernalcomparatorswiththenames,ComparatorAandComparator

P.ThesecomparatorswillcomparethevalueinthecounterwithCCRPandCCRAregisters.The

CCRPis3-bitswidewhosevalueiscomparedwiththehighest3bitsinthecounterwhiletheCCRA

isthe10bitsandthereforecompareswithallcounterbits.

Theonlywayofchangingthevalueofthe10-bitcounterusingtheapplicationprogram,isto

clearthecounterbychangingtheT2ONbitfromlowtohigh.Thecounterwillalsobecleared

automaticallybyacounteroveroworacomparematchwithoneofitsassociatedcomparators.

Whentheseconditionsoccur,aTMinterruptsignalwillalsousuallybegenerated.TheStandard

TypeTMcanoperateinanumberofdifferentoperationalmodes,canbedrivenbydifferentclock

sourcesincludinganinputpinandcanalsocontrolanoutputpin.Alloperatingsetupconditionsare

selectedusingrelevantinternalregisters.

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