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HT66F0176 Datasheet(PDF) 62 Page - Holtek Semiconductor Inc |
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HT66F0176 Datasheet(HTML) 62 Page - Holtek Semiconductor Inc |
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62 / 165 page  Rev. 1.20 62 ����st 2�� 201� Rev. 1.20 63 ����st 2�� 201� HT66F0176 A/D Flash MCU with EEPROM HT66F0176 A/D Flash MCU with EEPROM Bit1~0 PCPS1~PCPS0:PC3~PC0sourcecurrentselection 00:sourcecurrent=Level0(min.) 01:sourcecurrent=Level1 10:sourcecurrent=Level2 11:sourcecurrent=Level3(max.) Pin-remapping Function Theflexibilityofthemicrocontrollerrangeisgreatlyenhancedbytheuseofpinsthathavemore thanonefunction.Limitednumbersofpinscanforceseriousdesignconstraintsondesignersbut bysupplyingpinswithmulti-functions,manyofthesedifficultiescanbeovercome.Thewayin whichthepinfunctionofeachpinisselectedisdifferentforeachfunctionandapriorityorderis establishedwheremorethanonepinfunctionisselectedsimultaneously.Additionallytherearetwo registers,IFS0andIFS1,toestablishcertainpinfunctions. Thelimitednumberofsuppliedpinsinapackagecanimposerestrictionsontheamountoffunctions acertaindevicecancontain.Howeverbyallowingthesamepinstoshareseveraldifferentfunctions andprovidingameansoffunctionselection,awiderangeofdifferentfunctionscanbeincorporated intoevenrelativelysmallpackagesizes.Ifthepin-sharedpinfunctionhavemultipleoutputs simultaneously,itspinnamesattherightsideofthe"/"signcanbeusedforhigherpriority. IFS0 Register Bit 7 6 5 4 3 2 1 0 Name — — SDOPS SDI_SD�PS SCK_SCLPS SCSBPS INT1PS INT0PS R/W — — R/W R/W R/W R/W R/W R/W POR — — 0 0 0 0 0 0 Bit7~6 Unimplemented,readas"0" Bit5 SDOPS:SDOpin-remappingselection 0:SDOonPC2 1:SDOonPA2 Bit4 SDI_SDAPS:SDI/SDApin-remappingselection 0:SDI/SDAonPC3 1:SDI/SDAonPA3 Bit3 SCK_SCLPS:SCK/SCLpin-remappingselection 0:SCK/SCLonPC4 1:SCK/SCLonPB6 Bit2 SCSBPS:SCSpin-remappingselection 0:SCSonPA1 1:SCSonPB5 Bit1 INT1PS:INT1pin-remappingselection 0:INT1onPB1 1:INT1onPC5 Bit0 INT0PS:INT0pin-remappingselection 0:INT0onPB0 1:INT0onPC6 |
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