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HT46R068B Datasheet(PDF) 95 Page - Holtek Semiconductor Inc

No. de pieza HT46R068B
Descripción Electrónicos  Enhanced A/D 8-Bit OTP MCU
Download  135 Pages
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Fabricante Electrónico  HOLTEK [Holtek Semiconductor Inc]
Página de inicio  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT46R068B Datasheet(HTML) 95 Page - Holtek Semiconductor Inc

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Rev. 1.50
94
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Rev. 1.50
95
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HT46R068B/HT46R069B
Enhanced A/D 8-Bit OTP MCU
HT46R068B/HT46R069B
Enhanced A/D 8-Bit OTP MCU
• SIMC0 Register
Bit
7
6
5
4
3
2
1
0
Name
SIM�
SIM1
SIM0
PCKEN
PCKP1
PCKP0
SIMEN
—
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, SIM1, SIM0:SIMOperatingModeControl
000:SPImastermode;SPIclockisfSYS/4
001:SPImastermode;SPIclockisfSYS/16
010:SPImastermode;SPIclockisfSYS/64
011:SPImastermode;SPIclockisfLXT
100:SPImastermode;SPIclockisTimer/EventCounter0output/2(PFD0)
101:SPIslavemode
110:I2Cslavemode
111:Unusedmode
ThesebitssetuptheoveralloperatingmodeoftheSIMfunction.Aswellasselecting
iftheI2CorSPIfunction,theyareusedtocontroltheSPIMaster/Slaveselection
andtheSPIMasterclockfrequency.TheSPIclockisafunctionofthesystemclock
butcanalsobechosentobesourcedfromTimer/EventCounter0.IftheSPISlave
ModeisselectedthentheclockwillbesuppliedbyanexternalMasterdevice.
Bit4
PCKEN:PeripheralClockPincontrol
Describedelsewhere.
Bit3~2
PCKP1, PCKP0:SelectPCKoutputpinfrequency
Describedelsewhere.
Bit1
SIMEN:SIMControl
0:Disable
1:Enable
Thebitistheoverallon/offcontrolfortheSIMinterface.WhentheSIMENbitis
clearedtozerotodisabletheSIMinterface,theSDI,SDO,SCKandSCS,orSDA
andSCLlineswillbeinafloatingconditionandtheSIMoperatingcurrentwillbe
reducedtoaminimumvalue.WhenthebitishightheSIMinterfaceisenabled.The
SIMconfigurationoptionmusthavefirstenabledtheSIMinterfaceforthisbitto
beeffective.IftheSIMisconfiguredtooperateasanSPIinterfaceviaSIM2~SIM0
bits,thecontentsoftheSPIcontrolregisterswillremainattheprevioussettings
whentheSIMENbitchangesfromlowtohighandshouldthereforebefirst
initialisedbytheapplicationprogram.IftheSIMisconfiguredtooperateasanI2C
interfaceviatheSIM2~SIM0bitsandtheSIMENbitchangesfromlowtohigh,the
contentsoftheI2CcontrolbitssuchasHTXandTXAKwillremainattheprevious
settingsandshouldthereforebefirstinitialisedbytheapplicationprogramwhilethe
relevantI2CflagssuchasHCF,HAAS,HBB,SRWandRXAKwillbesettotheir
defaultstates.
Bit0
unimplemented,readas"0"


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