BC68F2130 Datasheet, PDF (3/148 Pages) Holtek Semiconductor Inc – Sub-1GHz RF Transmitter Flash MCU

BC68F2130/BC68F2140
Sub-1GHz RF Transmitter Flash MCU
Look-up Table Registers – TBLP, TBHP, TBLH...........................................................................35
Status Register – STATUS..........................................................................................................35
Oscillators........................................................................................................... 37
Oscillator Overview.....................................................................................................................37
System Clock Configurations......................................................................................................37
External Crystal/Ceramic Oscillator – HXT.................................................................................38
Internal High Speed RC Oscillator – HIRC.................................................................................39
Internal 32kHz Oscillator – LIRC.................................................................................................39
Operating Modes and System Clocks.............................................................. 39
System Clocks............................................................................................................................39
System Operation Modes............................................................................................................40
Control Registers........................................................................................................................42
Operating Mode Switching..........................................................................................................45
Standby Current Considerations.................................................................................................50
Wake-up......................................................................................................................................50
Watchdog Timer.................................................................................................. 52
Watchdog Timer Clock Source....................................................................................................52
Watchdog Timer Control Register...............................................................................................52
Watchdog Timer Operation.........................................................................................................53
Reset and Initialisation....................................................................................... 54
Reset Functions..........................................................................................................................54
Reset Initial Conditions...............................................................................................................58
Input/Output Ports.............................................................................................. 61
Pull-high Resistors......................................................................................................................62
Port A Wake-up...........................................................................................................................62
I/O Port Control Registers...........................................................................................................63
Pin-shared Functions..................................................................................................................63
I/O Pin Structures........................................................................................................................65
Programming Considerations......................................................................................................66
Timer Modules – TM........................................................................................... 66
Introduction.................................................................................................................................66
TM Operation..............................................................................................................................67
TM Clock Source.........................................................................................................................67
TM Interrupts...............................................................................................................................67
TM External Pins.........................................................................................................................67
TM Input/Output Pin Selection....................................................................................................68
Programming Considerations......................................................................................................68
Compact Type TM – CTM................................................................................... 70
Compact TM Operation...............................................................................................................70
Compact Type TM Register Description.....................................................................................70
Compact Type TM Operating Modes..........................................................................................74
Rev. 1.10
3
May 19, 2017