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HT67F5652 датащи(PDF) 67 Page - Holtek Semiconductor Inc

номер детали HT67F5652
подробное описание детали  24-Bit Delta Sigma A/D LCD Flash MCU
PDF  224 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT67F5652 датащи(HTML) 67 Page - Holtek Semiconductor Inc

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HT67F5652
24-Bit Delta Sigma A/D + LCD Flash MCU
HT67F5652
24-Bit Delta Sigma A/D + LCD Flash MCU
• LVRC Register
Bit
7
6
5
4
3
2
1
0
Na�e
LVS�
LVS�
LVS5
LVS4
LVS3
LVS�
LVS1
LVS0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
1
0
1
0
1
0
1
Bit7~0
LVS7~LVS0:LVRvoltageselect
01010101:2.1V
00110011:2.55V
10011001:3.15V
10101010:3.8V
Othervalues:ResetMCU(registerisresettoPORvalue).
Whenanactuallowvoltageconditionoccurs,asspecifiedbyoneofthefourdefined
LVRvoltagevaluesabove,anMCUresetwillbegenerated.Theresetoperation
willbeactivatedafterthelowvoltageconditionkeepsmorethanatLVRtime.Inthis
situationtheregistercontentswillremainthesameaftersucharesetoccurs.
Anyregistervalue,otherthanthefourdefinedLVRvaluesabove,willalsoresultin
thegenerationofanMCUreset.Theresetoperationwillbeactivatedafter2~3LIRC
clockcycles.HoweverinthissituationtheregistercontentswillberesettothePOR
value.
• CTRL Register
Bit
7
6
5
4
3
2
1
0
Na�e
FSYSON
—
—
—
—
LVRF
LRF
WRF
R/W
R/W
—
—
—
—
R/W
R/W
R/W
POR
0
—
—
—
—
x
0
0
"x" unknown
Bit7
FSYSON:fSYSControlinIDLEMode
Describedelsewhere.
Bit6~3
Unimplemented,readas"0"
Bit2
LVRF:LVRfunctionresetflag
0:notoccur
1:occurred
ThisbitissethighwhenaspecificLowVoltageResetsituationconditionoccurs.This
bitcanonlybeclearedtozerobytheapplicationprogram.
Bit1
LRF:LVRControlregistersoftwareresetflag
0:notoccur
1:occurred
ThisbitissethighiftheLVRCregistercontainsanynon-definedLVRvoltageregister
values.Thisineffectactslikeasoftware-resetfunction.Thisbitcanonlybeclearedto
zerobytheapplicationprogram.
Bit0
WRF:WDTControlregistersoftwareresetflag
Describedelsewhere.



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