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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT69F360 датащи(PDF) 149 Page - Holtek Semiconductor Inc |
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HT69F360 датащи(HTML) 149 Page - Holtek Semiconductor Inc |
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149 / 235 page  Rev. 1.30 14� �ove��e� 1�� �01� Rev. 1.30 149 �ove��e� 1�� �01� HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM SIMD Register Bit 7 6 5 4 3 2 1 0 �a�e D7 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 × × × × × × × × “×”: unknown TherearealsotwocontrolregistersfortheSPIinterface,SIMC0andSIMC2.NotethattheSIMC2 registeralsohasthenameSIMAwhichisusedbytheI2Cfunction.TheSIMC1registerisnotused bytheSPIfunction,onlybytheI2Cfunction.RegisterSIMC0isusedtocontroltheenable/disable functionandtosetthedatatransmissionclockfrequency.RegisterSIMC2isusedforothercontrol functionssuchasLSB/MSBselection,writecollisionflagetc. SIMC0 Register Bit 7 6 5 4 3 2 1 0 �a�e SIM� SIM1 SIM0 — SIMDEB1 SIMDEB0 SIME� SIMICF R/W R/W R/W R/W — R/W R/W R/W R/W POR 1 1 1 — 0 0 0 0 Bit7~5 SIM2~SIM0:SIMOperatingModeControl 000:SPImastermode;SPIclockisfSYS/4 001:SPImastermode;SPIclockisfSYS/16 010:SPImastermode;SPIclockisfSYS/64 011:SPImastermode;SPIclockisfSUB 100:SPImastermode;SPIclockisCTMCCRPmatchfrequency/2 101:SPIslavemode 110:I2Cslavemode 111:Unusedmode ThesebitssetuptheoveralloperatingmodeoftheSIMfunction.Aswellasselecting iftheI2CorSPIfunction,theyareusedtocontroltheSPIMaster/Slaveselectionand theSPIMasterclockfrequency.TheSPIclockisafunctionofthesystemclockbut canalsobechosentobesourcedfromtheTM0.IftheSPISlaveModeisselectedthen theclockwillbesuppliedbyanexternalMasterdevice. Bit4 Unimplemented,readas“0” Bit3~2 SIMDEB1~SIMDEB0:I2CDebounceTimeSelection 00:Nodebounce 01:2systemclocksdebounce 1x:4systemclocksdebounce Bit1 SIMEN:SIMControl 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. |
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