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HT67F5652 bảng dữ liệu(PDF) 147 Page - Holtek Semiconductor Inc |
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HT67F5652 bảng dữ liệu(HTML) 147 Page - Holtek Semiconductor Inc |
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147 / 224 page ![]() Rev. 1.00 14� De�e��e� 0�� �01� Rev. 1.00 14� De�e��e� 0�� �01� HT67F5652 24-Bit Delta Sigma A/D + LCD Flash MCU HT67F5652 24-Bit Delta Sigma A/D + LCD Flash MCU TheSIMDregisterisusedtostorethedatabeingtransmittedandreceived.Thesameregisterisused byboththeSPIandI2Cfunctions.BeforethedevicewritesdatatotheI2Cbus,theactualdatato betransmittedmustbeplacedintheSIMDregister.AfterthedataisreceivedfromtheI2Cbus,the devicecanreaditfromtheSIMDregister.AnytransmissionorreceptionofdatafromtheI2Cbus mustbemadeviatheSIMDregister. • SIMD Register Bit 7 6 5 4 3 2 1 0 Na�e D� D� D5 D4 D3 D� D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR x x x x x x x x "x" unknown • SIMA Register Bit 7 6 5 4 3 2 1 0 Na�e IICA� IICA5 IICA4 IICA3 IICA� IICA1 IICA0 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7~1 IICA6~IICA0:I2Cslaveaddress IICA6~IICA0istheI2Cslaveaddressbit6~bit0. TheSIMAregisterisalsousedbytheSPIinterfacebuthasthenameSIMC2.The SIMAregisteristhelocationwherethe7-bitslaveaddressoftheslavedeviceis stored.Bits7~1oftheSIMAregisterdefinethedeviceslaveaddress.Bit0isnot defined. Whenamasterdevice,whichisconnectedtotheI2Cbus,sendsoutanaddress,which matchestheslaveaddressintheSIMAregister,theslavedevicewillbeselected.Note thattheSIMAregisteristhesameregisteraddressasSIMC2whichisusedbytheSPI interface. Bit0 Undefinedbit Thisbitcanbereadorwrittenbyusersoftwareprogram. • SIMTOC Register Bit 7 6 5 4 3 2 1 0 Na�e SIMTOEN SIMTOF SIMTOS5 SIMTOS4 SIMTOS3 SIMTOS� SIMTOS1 SIMTOS0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7 SIMTOEN:I2CinterfaceTime-outcontrol 0:Disable 1:Enable Bit6 SIMTOF:I2CinterfaceTime-outflag 0:Nooccurred 1:Occurred TheSIMTOFflagissetbythetime-outcircuitrywhenthetime-outeventoccursand clearedbysoftwareprogram. Bit5~0 SIMTOS5~SIMTOS0:I2CinterfaceTime-outperiodselection TheI2CTime-OutclocksourceisfSUB/32. TheI2CTime-Outtimeis([SIMTOS5:SIMTOS0]+1)×(32/fSUB) |
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