User`s guide

Rev. 1.10 6 November 14, 2014 Rev. 1.10 7 November 14, 2014
HT66FW2230
Wireless Charger A/D Flash 8-Bit MCU
Features
CPU Features
• OperatingVoltage:f
SYS
=20MHz:4.0V~5.5V
• Upto0.2μsinstructioncyclewith20MHzsystemclockatV
DD
=5V
•
Powerdownandwake-upfunctionstoreducepowerconsumption
• Oscillators

♦
ExternalCrystaloscillator–HXT

♦
Internal20MHzRCoscillator–HIRC

♦
Internal32kHz–LIRC
• Multi-modeoperation:NORMAL,SLOW,IDLEandSLEEP
• Allinstructionsexecutedinoneortwoinstructioncycles
• Tablereadinstructions
• 63powerfulinstructions
• 8-levelsubroutinenesting
• Bitmanipulationinstruction
Peripheral Features
• FlashProgramMemory:4K×16
• RAMDataMemory:128×8
• EEPROMMemory:64×8
• WatchdogTimerfunction
• Upto17bidirectionalI/Olines
• Twopin-sharedexternalinterrupts
• MultipleTimerModulefortimemeasure,inputcapture,comparematchoutput,PWMoutput
functionorsinglepulseoutputfunction
• I
2
Cfunction
• Overcurrentprotection(OCP)anddemodulationfunctions
• Clockgeneratoroutput:

♦
100kHz~220kHzin100Hzsteps

♦
1MHz
•
2.08VReferencevoltageforADC
• DualTime-Basefunctionsforgenerationofxedtimeinterruptsignals
• Multi-channel12-bitresolutionA/Dconverter
• Lowvoltageresetfunction
• Lowvoltagedetectfunction
• Package:28-pinSSOP