User`s guide

Rev. 1.10 4 November 14, 2014 Rev. 1.10 5 November 14, 2014
HT66FW2230
Wireless Charger A/D Flash 8-Bit MCU
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C Interface ................................................................................................... 93
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C Interface Operation ......................................................................................................... 93
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C Registers ......................................................................................................................... 94
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C Bus Communication ....................................................................................................... 97
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C Bus Start Signal .............................................................................................................. 98
Slave Address ...................................................................................................................... 98
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C Bus Read/Write Signal ................................................................................................... 99
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C Bus Slave Address Acknowledge Signal ........................................................................ 99
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C Bus Data and Acknowledge Signal ................................................................................ 99
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C Time-out Control ............................................................................................................ 101
PLL Clock Generator .................................................................................. 102
Clock Generator Operation ................................................................................................. 102
Clock Generator Register Description ................................................................................. 103
PWM output control ............................................................................................................. 105
Demodulation Function ............................................................................... 107
Demodulator Circuit Operation ............................................................................................ 107
Input Voltage Range
............................................................................................................ 108
Offset Calibration ................................................................................................................ 108
Demodulator Register Description ...................................................................................... 109
OCP Function ................................................................................................112
OCP Circuit Operation .........................................................................................................112
Input Voltage Range .............................................................................................................112
Offset Calibration .................................................................................................................113
OCP Register Description ....................................................................................................113
Internal Reference Voltage – IVREF ............................................................116
Demodulator & OCP Miscellaneous Control Register Description .......................................116
Interrupts .......................................................................................................117
Interrupt Registers ................................................................................................................117
Interrupt Operation .............................................................................................................. 121
External Interrupt ................................................................................................................. 122
Multi-function Interrupt ........................................................................................................ 123
OCP Interrupt ...................................................................................................................... 123
Demodulation Interrupt ........................................................................................................ 123
A/D Converter Interrupt ....................................................................................................... 123
Time Base Interrupts ........................................................................................................... 124
EEPROM Interrupt .............................................................................................................. 125
LVD Interrupt ....................................................................................................................... 125
TM Interrupts ....................................................................................................................... 126
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C Interrupt ......................................................................................................................... 126
Interrupt Wake-up Function ................................................................................................. 126
Programming Considerations .............................................................................................. 127