 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT66F20 Datasheet(PDF) 165 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT66F20 Datasheet(HTML) 165 Page - Holtek Semiconductor Inc |
|
|
165 / 298 page  Rev. 1.90 164 �e���a�� 18� �01� Rev. 1.90 165 �e���a�� 18� �01� HT66F20/HT66F30/HT66F40/HT66F50/HT66F60 HT66FU30/HT66FU40/HT66FU50/HT66FU60 Enhanced A/D Flash Type 8-Bit MCU with EEPROM HT66F20/HT66F30/HT66F40/HT66F50/HT66F60 HT66FU30/HT66FU40/HT66FU50/HT66FU60 Enhanced A/D Flash Type 8-Bit MCU with EEPROM Single Pulse Mode Toselectthismode,therequiredbitpairs,TnAM1,TnAM0andTnBM1,TnBM0shouldbesetto 10respectivelyandalsothecorrespondingTnAIO1,TnAIO0andTnBIO1,TnBIO0bitsshouldbe setto11respectively.TheSinglePulseOutputMode,asthenamesuggests,willgenerateasingle shotpulseontheTMoutputpin. ThetriggerforthepulseTPnAoutputleadingedgeisalowtohightransitionoftheTnONbit,which canbeimplementedusingtheapplicationprogram.ThetriggerforthepulseTPnBoutputleading edgeisacomparematchfromComparatorB,whichcanbeimplementedusingtheapplication program.HoweverintheSinglePulseMode,theTnONbitcanalsobemadetoautomatically changefromlowtohighusingtheexternalTCKnpin,whichwillinturninitiatetheSinglePulse outputofTPnA.WhentheTnONbittransitionstoahighlevel,thecounterwillstartrunningand thepulseleadingedgeofTPnAwillbegenerated.TheTnONbitshouldremainhighwhenthepulse isinitsactivestate.ThegeneratedpulsetrailingedgeofTPnAandTPnBwillbegeneratedwhen theTnONbitisclearedtozero,whichcanbeimplementedusingtheapplicationprogramorwhena comparematchoccursfromComparatorA. HoweveracomparematchfromComparatorAwillalsoautomaticallycleartheTnONbitandthus generatetheSinglePulseoutputtrailingedgeofTPnAandTPnB.InthiswaytheCCRAvaluecan beusedtocontrolthepulsewidthofTPnA.TheCCRA-CCRBvaluecanbeusedtocontrolthe pulsewidthofTPnB.AcomparematchfromComparatorAandComparatorBwillalsogenerate TMinterrupts.ThecountercanonlyberesetbacktozerowhentheTnONbitchangesfromlowto highwhenthecounterrestarts.IntheSinglePulseModeCCRPisnotused.TheTnCCLRbitisalso notused. S/W Command SET“TnON” or TCKn Pin Transition CCRB Leading Edge CCRA Trailing Edge S/W Command CLR“TnON” or CCRA Compare Match TPnA Output Pin TPnB Output Pin Pulse Width = (CCRA-CCRB) Value Pulse Width = CCRA Value Counter Value CCRB CCRA 0 Time TnON = 1 CCRB Compare Match S/W Command CLR“TnON” or CCRA Compare Match CCRB Trailing Edge CCRA Leading Edge TnON bit 0 ® 1 TnON bit 1 ® 0 TnON bit 1 ® 0 Single Pulse Generation |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
