BH66F5242
24-bit Delta Sigma A/D Flash MCU
Integrated Regulator & 1 set OPAs
Timer Modules – TM ..........................................................................................60
Introduction ................................................................................................................................60
TM Operation .............................................................................................................................60
TM Clock Source........................................................................................................................60
TM Interrupts..............................................................................................................................61
TM External Pins........................................................................................................................61
Programming Considerations.....................................................................................................62
Compact Type TM – CTM ..................................................................................63
Compact TM Operation..............................................................................................................63
Compact Type TM Register Description.....................................................................................63
Compact Type TM Operating Modes .........................................................................................67
Periodic Type TM – PTM....................................................................................73
Periodic TM Operation ...............................................................................................................73
Periodic Type TM Register Description......................................................................................73
Periodic Type TM Operation Modes...........................................................................................77
Analog to Digital Converter ..............................................................................85
A/D Converter Overview ............................................................................................................85
Internal Power Supply................................................................................................................85
A/D Converter Data Rate Definition ...........................................................................................87
A/D Converter Register Description...........................................................................................87
A/D Converter Operation............................................................................................................94
Summary of A/D Conversion Steps............................................................................................95
Programming Considerations.....................................................................................................96
A/D converter Transfer Function ................................................................................................96
A/D Converted Data...................................................................................................................97
A/D Converted Data to Voltage..................................................................................................97
Temperature Sensor...................................................................................................................97
A/D Conversion Programming Example ....................................................................................98
Universal Serial Interface Module – USIM .......................................................99
SPI Interface ..............................................................................................................................99
I2C Interface .............................................................................................................................107
UART Interface.........................................................................................................................117
Low Voltage Detector – LVD ...........................................................................132
LVD Register............................................................................................................................132
LVD Operation..........................................................................................................................133
Interrupts..........................................................................................................134
Interrupt Registers....................................................................................................................134
Interrupt Operation...................................................................................................................138
External Interrupts....................................................................................................................139
Universal Serial Interface Module Interrupt..............................................................................139
Time Base Interrupts................................................................................................................140
A/D Converter Interrupt............................................................................................................141
Multi-function Interrupts............................................................................................................142
Rev. 1.31
4
September 15, 2020