 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT69F2562 Datasheet(PDF) 67 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT69F2562 Datasheet(HTML) 67 Page - Holtek Semiconductor Inc |
|
|
67 / 194 page  Rev. 1.00 �� �an�a�� ��� �01� Rev. 1.00 �7 �an�a�� ��� �01� HT69F2562 Ultra-Low Power Flash MCU with LCD & EEPROM HT69F2562 Ultra-Low Power Flash MCU with LCD & EEPROM • RSTC Register Bit 7 6 5 4 3 2 1 0 Name RSTC7 RSTC� RSTC5 RSTC4 RSTC3 RSTC� RSTC1 RSTC0 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 RSTC7~RSTC0:Resetfunctioncontrol 01010101:PB0 10101010:RESpin Othervalues:ResetMCU Ifthesebitsarechangedduetoadverseenvironmentalconditions,themicrocontroller willbereset.Theresetoperationwillbeactivatedafteradelaytime,tSRESET,andthe RSTFbitintheRSTFCregisterwillbesetto1. AllresetswillresetthisregistertoPORvalueexcepttheWDTtimeouthardware warmreset.Notethatiftheregisterissetto10101010toselecttheRESpin,this configurationhashigherprioritythanotherrelatedpin-sharedcontrols. • RSTFC Register Bit 7 6 5 4 3 2 1 0 Name — — — — RSTF LVRF LRF WRF R/W — — — — R/W R/W R/W R/W POR — — — — 0 x 0 0 “x”: �nknown Bit7~4 Unimplemented,readas“0” Bit3 RSTF:Resetcontrolregistersoftwareresetflag 0:Notoccurred 1:Occurred Thisbitissetto1bytheRSTCcontrolregistersoftwareresetandclearedbythe applicationprogram.Notethatthisbitcanonlybeclearedto0bytheapplication program. Bit2 LVRF:LVRfunctionresetflag Describedelsewhere Bit1 LRF:LVRcontrolregistersoftwareresetflag Describedelsewhere Bit0 WRF:WDTcontrolregistersoftwareresetflag Describedelsewhere Low Voltage Reset – LVR Themicrocontrollercontainsalowvoltageresetcircuitinordertomonitorthesupplyvoltageofthe device.TheLVRfunctionisalwaysenabledwithaspecificLVRvoltageVLVR.Ifthesupplyvoltage ofthedevicedropstowithinarangeof0.9V~VLVRsuchasmightoccurwhenchangingthebattery, theLVRwillautomaticallyresetthedeviceinternallyandtheLVRFbitintheRSTFCregisterwill alsobesethigh.ForavalidLVRsignal,alowsupplyvoltage,i.e.,avoltageintherangebetween 0.9V~VLVRmustexistforatimegreaterthanthatspecifiedbytLVRintheLVD/LVRElectrical Characteristics.Ifthelowsupplyvoltagestatedoesnotexceedthisvalue,theLVRwillignorethe lowsupplyvoltageandwillnotperformaresetfunction.TheactualVLVRvaluecanbeselected bytheLVS7~LVS0bitsintheLVRCregister.IftheLVS7~LVS0bitsarechangedtosomecertain valuesbytheenvironmentalnoiseorsoftwaresetting,theLVRwillresetthedeviceafteradelay time,tSRESET.Whenthishappens,theLRFbitintheRSTFCregisterwillbesethigh.Afterpower ontheregisterwillhavethevalueof01100110B.NotethattheLVRfunctionwillbeautomatically disabledwhenthedeviceenterstheIDLE/SLEEPmode. |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
