BS83B08A-3/BS83B12A-3/BS83B16A-3
BS83B08A-4/BS83B12A-4/BS83B16A-4
8-Bit Touch Key Flash MCU
EEPROM Data Memory.................................................................................. 30
EEPRO� Data �emorꢀ Structure ........................................................................................ ꢃ0
EEPRO� Registers .............................................................................................................. ꢃ0
Reading Data from the EEPRO� ........................................................................................ ꢃꢁ
Writing Data to the EEPRO�................................................................................................ ꢃꢁ
Write Protection..................................................................................................................... ꢃꢁ
EEPRO� Interrupt ................................................................................................................ ꢃꢁ
Programming Considerations................................................................................................ ꢃꢃ
Oscillator ........................................................................................................ 34
Oscillator Overview ............................................................................................................... ꢃ4
System Clock Configurations................................................................................................ ꢃ4
Internal RC Oscillator – HIRC ............................................................................................... ꢃ5
Internal ꢃꢁkHz Oscillator – LIRC........................................................................................... ꢃ5
Operating Modes and System Clocks ......................................................... 35
Sꢀstem Clocks ...................................................................................................................... ꢃ5
Sꢀstem Operation �odes...................................................................................................... ꢃ6
Control Register .................................................................................................................... ꢃ8
Operating �ode Switching ................................................................................................... 40
NOR�AL �ode to SLOW �ode Switching........................................................................... 41
SLOW �ode to NOR�AL �ode Switching .......................................................................... 41
Entering the SLEEP �ode .................................................................................................... 41
Entering the IDLE0 �ode...................................................................................................... 41
Entering the IDLE1 �ode...................................................................................................... 4ꢁ
Standbꢀ Current Considerations........................................................................................... 4ꢃ
Wake-up................................................................................................................................ 44
Programming Considerations................................................................................................ 44
Watchdog Timer............................................................................................. 45
Watchdog Timer Clock Source.............................................................................................. 45
Watchdog Timer Control Register......................................................................................... 45
Watchdog Timer Operation ................................................................................................... 46
Reset and Initialisation.................................................................................. 47
Reset Functions .................................................................................................................... 47
Reset Initial Conditions ......................................................................................................... 50
Input/Output Ports......................................................................................... 56
I/O Register List .................................................................................................................... 56
Pull-high Resistors ................................................................................................................ 57
Port A Wake-up ..................................................................................................................... 58
I/O Port Control Registers..................................................................................................... 59
I/O Pin Structures.................................................................................................................. 60
Programming Considerations................................................................................................ 60
Rev. 1.00
ꢃ
�aꢀ 0ꢁꢂ ꢁ01ꢃ
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
