 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT66F20 Datasheet(PDF) 202 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT66F20 Datasheet(HTML) 202 Page - Holtek Semiconductor Inc |
|
|
202 / 298 page  Rev. 1.90 �0� �e���a�� 18� �01� Rev. 1.90 �0� �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 Peripheral Clock Output ThePeripheralClockOutputallowsthedevicetosupplyexternalhardwarewithaclocksignal synchronisedtothemicrocontrollerclock. Peripheral Clock Operation Astheperipheralclockoutputpin,PCK,issharedwithI/Oline,therequiredpinfunctionischosen viaPCKENintheSIMC0register.ThePeripheralClockfunctioniscontrolledusingtheSIMC0 register.TheclocksourceforthePeripheralClockOutputcanoriginatefromeithertheTM0CCRP matchfrequency/2oradividedratiooftheinternalfSYSclock.ThePCKENbitintheSIMC0register istheoverallon/offcontrol,settingPCKENbitto"1"enablesthePeripheralClock,settingPCKEN bitto"0"disablesit.TherequireddivisionratioofthesystemclockisselectedusingthePCKP1 andPCKP0bitsinthesameregister.IfthedeviceenterstheSLEEPModethiswilldisablethe PeripheralClockoutput. SIMC0 Register Bit 7 6 5 4 3 2 1 0 Name SIM� SIM1 SIM0 PCKEN PCKP1 PCKP0 SIMEN — R/W R/W R/W R/W R/W R/W R/W R/W — POR 1 1 1 0 0 0 0 — Bit7~5 SIM2, SIM1, SIM0:SIMoperatingmodecontrol 000:SPImastermode;SPIclockisfSYS/4 001:SPImastermode;SPIclockisfSYS/16 010:SPImastermode;SPIclockisfSYS/64 011:SPImastermode;SPIclockisfTBC 100:SPImastermode;SPIclockisTM0CCRPmatchfrequency/2 101:SPIslavemode 110:I2Cslavemode 111:Unusedmode ThesebitssetuptheoveralloperatingmodeoftheSIMfunction.Aswellasselecting iftheI2CorSPIfunction,theyareusedtocontroltheSPIMaster/Slaveselectionand theSPIMasterclockfrequency.TheSPIclockisafunctionofthesystemclockbut canalsobechosentobesourcedfromtheTM0.IftheSPISlaveModeisselectedthen theclockwillbesuppliedbyanexternalMasterdevice. Bit4 PCKEN:PCKoutputpincontrol 0:Disable 1:Enable Bit3~2 PCKP1, PCKP0:selectPCKoutputpinfrequency 00:fSYS 01:fSYS/4 10:fSYS/8 11:TM0CCRPmatchfrequency/2 Bit1 SIMEN:SIMcontrol 0:Disable 1:Enable Thebitistheoverallon/offcontrolfortheSIMinterface.WhentheSIMENbitis clearedtozerotodisabletheSIMinterface,theSDI,SDO,SCKandSCS,orSDA andSCLlineswillbeinafloatingconditionandtheSIMoperatingcurrentwillbe reducedtoaminimumvalue.WhenthebitishightheSIMinterfaceisenabled.The SIMconfigurationoptionmusthavefirstenabledtheSIMinterfaceforthisbittobe effective.NotethatwhentheSIMENbitchangesfromlowtohighthecontentsofthe SPIcontrolregisterswillbeinanunknownconditionandshouldthereforebefirst initialisedbytheapplicationprogram. Bit0 Unimplemented,readas“0” |
|
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
