HT69F360 datasheet(160/235 Pages) HOLTEK

160 / 235 page

Rev. 1.30

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HT69F340/HT69F350/HT69F360

TinyPowerTM I/O Flash MCU with LCD & EEPROM

HT69F340/HT69F350/HT69F360

TinyPowerTM I/O Flash MCU with LCD & EEPROM

I2C Bus Data and Acknowledge Signal

Thetransmitteddatais8-bitswideandistransmittedaftertheslavedevicehasacknowledged

receiptofitsslaveaddress.TheorderofserialbittransmissionistheMSBfirstandtheLSBlast.

Afterreceiptof8-bitsofdata,thereceivermusttransmitanacknowledgesignal,level“0”,before

itcanreceivethenextdatabyte.Iftheslavetransmitterdoesnotreceiveanacknowledgebitsignal

fromthemasterreceiver,thentheslavetransmitterwillreleasetheSDAlinetoallowthemaster

tosendaSTOPsignaltoreleasetheI2CBus.ThecorrespondingdatawillbestoredintheSIMD

SIMDregister.Ifsetupasareceiver,theslavedevicemustreadthetransmitteddatafromtheSIMD

Whentheslavereceiverreceivesthedatabyte,itmustgenerateanacknowledgebit,knownas

TXAK,onthe9thclock.Theslavedevice,whichissetupasatransmitterwillchecktheRXAKbit

intheSIMC1registertodetermineifitistosendanotherdatabyte,ifnotthenitwillreleasethe

SDAlineandawaitthereceiptofaSTOPsignalfromthemaster.

Da ta

01010

S= St ar t (1 b it )

SA =S la ve A dd re ss (7 b it s)

SR =S RW b i t ( 1 bi t)

M= Sl av e dev ic e s end a ck now l edge bi t (1 b it )

D= Da ta ( 8 bi ts )

A= AC K ( RX AK b i t f or tr ans mi tte r, T XAK b i t f or r ec ei ve r 1 bi t)

P= St op (1 b it )

SC L

St ar t

SD A

SR W

AC K

St op

SC L

SD A

Sl av e Ad dr es s

SS AS R

Note:*Whenaslaveaddressismatched,thedevicesmustbeplacedineitherthetransmitmode

andthenwritedatatotheSIMDregister,orinthereceivemodewhereitmustimplementa

dummyreadfromtheSIMDregistertoreleasetheSCLline.

I2C Communication Timing Diagram

HT69F360 датащи(PDF) 160 Page - Holtek Semiconductor Inc

HT69F360 датащи(HTML) 160 Page - Holtek Semiconductor Inc

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