HT45F8566
Li-Battery Protection Flash MCU
Summary of A/D Conversion Steps...........................................................................................142
Programming Considerations....................................................................................................143
A/D Conversion Function ..........................................................................................................143
A/D Converter Programming Examples....................................................................................144
Comparator .......................................................................................................145
Comparator Operation ..............................................................................................................145
Comparator Registers...............................................................................................................145
Comparator Interrupt.................................................................................................................146
Programming Considerations....................................................................................................146
Serial Interface Module – SIM..........................................................................147
SPI Interface .............................................................................................................................147
I2C Interface ..............................................................................................................................155
UART Interfaces................................................................................................165
UART External Pins ..................................................................................................................166
UART Single Wire Mode...........................................................................................................166
UART Data Transfer Scheme....................................................................................................166
UART Status and Control Registers..........................................................................................167
Baud Rate Generator................................................................................................................174
UART Setup and Control...........................................................................................................175
UART Transmitter......................................................................................................................177
UART Receiver .........................................................................................................................178
Managing Receiver Errors ........................................................................................................180
UART Interrupt Structure...........................................................................................................180
UART Power Down and Wake-up.............................................................................................182
Low Voltage Detector – LVD ............................................................................183
LVD Register.............................................................................................................................183
LVD Operation...........................................................................................................................183
Interrupts...........................................................................................................184
Interrupt Registers.....................................................................................................................184
Interrupt Operation....................................................................................................................189
External Interrupts.....................................................................................................................191
Comparator Interrupt.................................................................................................................191
Multi-function Interrupts.............................................................................................................191
A/D Converter Interrupt.............................................................................................................192
Time Base Interrupts.................................................................................................................192
TM Interrupts ............................................................................................................................194
Serial Interface Module Interrupt...............................................................................................194
UART Interrupts ........................................................................................................................194
LVD Interrupt.............................................................................................................................194
EEPROM Interrupt ....................................................................................................................195
Interrupt Wake-up Function.......................................................................................................195
Programming Considerations....................................................................................................195
Rev. 1.10
5
September 01, 2023