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HT46R068B Datasheet(PDF) 68 Page - Holtek Semiconductor Inc |
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HT46R068B Datasheet(HTML) 68 Page - Holtek Semiconductor Inc |
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68 / 135 page  Rev. 1.50 68 �e���a�� 05� �015 Rev. 1.50 69 �e���a�� 05� �015 HT46R068B/HT46R069B Enhanced A/D 8-Bit OTP MCU HT46R068B/HT46R069B Enhanced A/D 8-Bit OTP MCU Thetwocontrolregisters,ANCSR1,ANCSR0,determinewhichpinsonPA0~PA3,PC0,PC1, PC6,PC7,PE0~PE7areusedasanaloginputsfortheA/Dconverterandwhichpinsaretobeused asnormalI/Opins.Ifthe16-bitaddressonPCR15~PCR0hasavalueof“FFH”,thenall16pins, namelyAN0~AN15willallbesetasanaloginputs.Toreducethepowerconsumptioninnormalrun, theADCmodulecanbeturnedoffbysettingADONB=1inACSR.OncetheADCmoduleisturned off,theADCmoduleandanalogchannelhavenopowerconsumptionnomatterwhatvoltagelevel isonanaloginput.IftheI/OlinesisselectedasanI/Ofunctionandtheanaloginputpinvoltageis notequaltoVDDorVSS,thereusermayhavetotakecareIDD/ISTBcurrentconsumedbythepin- sharedlogicinputfunctionnomattertheADCmoduleisonoroff.IftheADCmoduleisturnedoff, thenalltheADCpin-sharedI/OpinswillbesetupasnormalI/Os. A/ D C onv er te r PA 0/ AN 0~ PA 3/ AN 3 PC 0/ AN 4~ PC 1/ AN 5 PC 6/ AN 6~ PC 7/ AN 7 PE 0/ AN 8~ PE 7/ AN 15 A/ D Re fe r enc e Vo lt age AD RL AD RH A/ D Da ta R egi st er s ST AR T EO CB AD OF F V SS PA 2/ VR EF AD CK 2~ A DCK 0 f SY S PC R 15~ PC R0 AC S3 ~A CS 0 A/ D Cl oc k V DD AD OF F Bi t VR EF S Bi t AD RF S bi t ¸ 2 N (N =0 ~6 ) A/D Converter Structure • ADRH, ADRL Register Bit ADRH ADRL 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Name D11 D10 D9 D8 D7 D6 D5 D4 D3 D� D1 D0 — — — — R/W R R R R R R R R R R R R — — — — POR X X X X X X X X X X X X — — — — "X" �nknown unimplemented,readas"0" D11~D0 ADCconversiondata |
Similar Part No. - HT46R068B_15 |
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Similar Description - HT46R068B_15 |
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