HT66F4530 datasheet(143/224 Pages) HOLTEK

143 / 224 page

Rev. 1.00

14�

De�e��e� �1� �01�

Rev. 1.00

143

De�e��e� �1� �01�

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

Bit4

Unimplemented,readas"0"

Bit3~2

SIMDEB1~SIMDEB0:I2CDebounceTimeSelection

00:Nodebounce

01:2systemclockdebounce

1x:4systemclockdebounce

ThesebitsareusedtoselecttheI2CdebouncetimewhentheSIMisconfiguredasthe

I2CinterfacefunctionbysettingtheSIM2~SIM0bitsto"110".

Bit1

SIMEN:SIMEnableControl

0:Disable

1:Enable

Thebitistheoverallon/offcontrolfortheSIMinterface.WhentheSIMENbitis

clearedtozerotodisabletheSIMinterface,theSDI,SDO,SCKandSCS,orSDAand

SCLlineswilllosetheirSPIorI2CfunctionandtheSIMoperatingcurrentwillbe

reducedtoaminimumvalue.WhenthebitishightheSIMinterfaceisenabled.Ifthe

SIMisconfiguredtooperateasanSPIinterfaceviatheSIM2~SIM0bits,thecontents

oftheSPIcontrolregisterswillremainattheprevioussettingswhentheSIMENbit

changesfromlowtohighandshouldthereforebefirstinitialisedbytheapplication

program.IftheSIMisconfiguredtooperateasanI2CinterfaceviatheSIM2~SIM0

bitsandtheSIMENbitchangesfromlowtohigh,thecontentsoftheI2Ccontrolbits

suchasHTXandTXAKwillremainattheprevioussettingsandshouldthereforebe

firstinitialisedbytheapplicationprogramwhiletherelevantI2CflagssuchasHCF,

HAAS,HBB,SRWandRXAKwillbesettotheirdefaultstates.

Bit0

SIMICF:SIMSPIIncompleteFlag

TheSIMICFbitisonlyusedintheSPImodeandthedetaileddefinitionisdescribed

intheSPIsection.

• SIMC1 Register

Bit

Na�e

HCF

HAAS

HBB

HTX

TXAK

SRW

IAMWU

RXAK

R/W

POR

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:I2Cslavedeviceistransmitterorreceiverselection

0:Slavedeviceisthereceiver

1:Slavedeviceisthetransmitter

HT66F4530 数据表(PDF) 143 Page - Holtek Semiconductor Inc

HT66F4530 数据表(HTML) 143 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载