ETIC 2230 User's Guide download pdf (Page 39)

Rev. 1.10 38 November 14, 2014 Rev. 1.10 39 November 14, 2014

HT66FW2230

Wireless Charger A/D Flash 8-Bit MCU

Entering the SLEEP Mode

ThereisonlyonewayforthedevicetoentertheSLEEPModeandthatistoexecutethe“HALT”

instructionintheapplicationprogramwithboththeFHIDENandFLIDENbitsintheSCCregister

equalto“0”.Whenthisinstructionisexecutedundertheconditionsdescribedabove,thefollowing

willoccur:

• Thesystemclockwillbestoppedandtheapplicationprogramwillstopatthe"HALT"

instruction.

•

TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition.

• TheI/Oportswillmaintaintheirpresentconditions.

• Inthestatusregister,thePowerDownagPDFwillbeset,andWDTtimeoutagTOwillbe

cleared.

•

TheWDTwillbeclearedandresumecounting.

Entering the IDLE0 Mode

ThereisonlyonewayforthedevicetoentertheIDLE0Modeandthatistoexecutethe“HALT”

instructionintheapplicationprogramwiththeFSIDENbitintheSCCregisterequalto“1”andthe

FHIDENbitintheSCCregisterequalto“0”.Whenthisinstructionisexecutedundertheconditions

describedabove,thefollowingwilloccur:

• Thef

clockwillbestoppedandtheapplicationprogramwillstopatthe“HALT”instruction,but

thef

SUB

clockwillbeon.

• TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition.

• TheI/Oportswillmaintaintheirpresentconditions.

• Inthestatusregister,thePowerDownagPDFwillbeset,andWDTtimeoutagTOwillbe

cleared.

•

TheWDTwillbeclearedandresumecounting.



Entering the IDLE1 Mode

ThereisonlyonewayforthedevicetoentertheIDLE1Modeandthatistoexecutethe“HALT”

instructionintheapplicationprogramwithboththeFHIDENandFLIDENbitintheSCCregister

equalto“1”.Whenthisinstructionisexecutedundertheconditionsdescribedabove,thefollowing

willoccur:

• Thef

andf

SUB

clockwillbeonbuttheapplicationprogramwillstopatthe“HALT”instruction.

• TheDataMemorycontentsandregisterswillmaintaintheirpresentcondition.

• TheI/Oportswillmaintaintheirpresentconditions.

• Inthestatusregister,thePowerDownagPDFwillbeset,andWDTtimeoutagTOwillbe

cleared.

•

TheWDTwillbeclearedandresumecounting.

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ETIC 2230 User's Guide Page 39

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