 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT45F65 Datasheet(PDF) 162 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT45F65 Datasheet(HTML) 162 Page - Holtek Semiconductor Inc |
|
|
162 / 231 page  Rev. 1.60 16� �ove��e� ��� �01� Rev. 1.60 163 �ove��e� ��� �01� HT45F65/HT45F66/HT45F67 Glucose Meter 8-Bit Flash MCU reducedtoaminimumvalue.WhenthebitishightheSIMinterfaceisenabled.The SIMconfigurationoptionmusthavefirstenabledtheSIMinterfaceforthisbittobe effective.IftheSIMisconfiguredtooperateasanSPIinterfaceviatheSIM2~SIM0 bits,thecontentsoftheSPIcontrolregisterswillremainattheprevioussettingswhen theSIMENbitchangesfromlowtohighandshouldthereforebefirstinitialisedby theapplicationprogram.IftheSIMisconfiguredtooperateasanI2Cinterfaceviathe SIM2~SIM0bitsandtheSIMENbitchangesfromlowtohigh,thecontentsoftheI2C controlbitssuchasHTXandTXAKwillremainattheprevioussettingsandshould thereforebefirstinitialisedbytheapplicationprogramwhiletherelevantI2Cflags suchasHCF,HAAS,HBB,SRWandRXAKwillbesettotheirdefaultstates. Bit0 Undefinedbit,canbereadorwrittenbyusersoftwareprogram. • SIMC1 Register Bit 7 6 5 4 3 2 1 0 �a�e HCF HAAS HBB HTX TXAK SRW IAMWU RXAK R/W R R R R/W R/W R R/W R POR 1 0 0 0 0 0 0 1 Bit7 HCF:I2CBusdatatransfercompletionflag 0:Dataisbeingtransferred 1:Completionofan8-bitdatatransfer TheHCFflagisthedatatransferflag.Thisflagwillbezerowhendataisbeing transferred.Uponcompletionofan8-bitdatatransfertheflagwillgohighandan interruptwillbegenerated. Bit6 HAAS:I2CBusaddressmatchflag 0:Notaddressmatch 1:Addressmatch TheHAASflagistheaddressmatchflag.Thisflagisusedtodetermineiftheslave deviceaddressisthesameasthemastertransmitaddress.Iftheaddressesmatchthen thisbitwillbehigh,ifthereisnomatchthentheflagwillbelow. Bit5 HBB:I2CBusbusyflag 0:I2CBusisnotbusy 1:I2CBusisbusy TheHBBflagistheI2Cbusyflag.Thisflagwillbe"1"whentheI2Cbusisbusywhich willoccurwhenaSTARTsignalisdetected.Theflagwillbesetto"0"whenthebusis freewhichwilloccurwhenaSTOPsignalisdetected. Bit4 HTX:SelectI2Cslavedeviceistransmitterorreceivera 0:Slavedeviceisthereceiver 1:Slavedeviceisthetransmitter Bit3 TXAK:I2CBustransmitacknowledgeflag 0:Slavesendacknowledgeflag 1:Slavedonotsendacknowledgeflag TheTXAKbitisthetransmitacknowledgeflag.Aftertheslavedevicereceiptof8-bits ofdata,thisbitwillbetransmittedtothebusonthe9thclockfromtheslavedevice. TheslavedevicemustalwayssetTXAKbitto"0"beforefurtherdataisreceived. Bit2 SRW:I2CSlaveRead/Writeflag 0:Slavedeviceshouldbeinreceivemode 1:Slavedeviceshouldbeintransmitmode TheSRWflagistheI2CSlaveRead/Writeflag.Thisflagdetermineswhether themasterdevicewishestotransmitorreceivedatafromtheI2Cbus.Whenthe transmittedaddressandslaveaddressismatch,thatiswhentheHAASflagissethigh, theslavedevicewillchecktheSRWflagtodeterminewhetheritshouldbeintransmit modeorreceivemode.IftheSRWflagishigh,themasterisrequestingtoreaddata fromthebus,sotheslavedeviceshouldbeintransmitmode.WhentheSRWflag iszero,themasterwillwritedatatothebus,thereforetheslavedeviceshouldbein receivemodetoreadthisdata. |
|
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
