 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT66F20 Datasheet(PDF) 197 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT66F20 Datasheet(HTML) 197 Page - Holtek Semiconductor Inc |
|
|
197 / 298 page  Rev. 1.90 196 �e���a�� 18� �01� Rev. 1.90 197 �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 Bit0 RXAK:I2CBusReceiveacknowledgeflag 0:Slavereceiveacknowledgeflag 1:Slavedonotreceiveacknowledgeflag TheRXAKflagisthereceiveracknowledgeflag.WhentheRXAKflagis0,itmeans thataacknowledgesignalhasbeenreceivedatthe9thclock,after8bitsofdatahave beentransmitted.Whentheslavedeviceinthetransmitmode,theslavedevicechecks theRXAKflagtodetermineifthemasterreceiverwishestoreceivethenextbyte.The slavetransmitterwillthereforecontinuesendingoutdatauntiltheRXAKflagis1. Whenthisoccurs,theslavetransmitterwillreleasetheSDAlinetoallowthemasterto sendaSTOPsignaltoreleasetheI2CBus. TheSIMDregisterisusedtostorethedatabeingtransmittedandreceived.Thesameregisterisused byboththeSPIandI2Cfunctions.BeforethedevicewritesdatatotheSPIbus,theactualdatato betransmittedmustbeplacedintheSIMDregister.AfterthedataisreceivedfromtheSPIbus,the devicecanreaditfromtheSIMDregister.AnytransmissionorreceptionofdatafromtheSPIbus mustbemadeviatheSIMDregister. SIMD Register Bit 7 6 5 4 3 2 1 0 Name D7 D6 D5 D4 D� D� D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR × × × × × × × × “×” �nknown SIMA Register Bit 7 6 5 4 3 2 1 0 Name IICA6 IICA5 IICA4 IICA� IICA� IICA1 IICA0 — R/W R/W R/W R/W R/W R/W R/W R/W — POR × × × × × × × — “×” �nknown 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. |
|
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
