BH66F2650/BH66F2660
Body Fat Measurment Flash MCU
RAM Data Memory.............................................................................................40
Stꢁꢀctꢀꢁe.....................................................................................................................................ꢃ0
Data Memoꢁꢂ Addꢁessing...........................................................................................................ꢃ1
Geneꢁal Pꢀꢁpose Data Memoꢁꢂ .................................................................................................ꢃ1
Special Pꢀꢁpose Data Memoꢁꢂ ..................................................................................................ꢃ1
Special Function Register Description............................................................44
Indiꢁect Addꢁessing Registeꢁs – IAR0ꢄ IAR1ꢄ IARꢅ ....................................................................ꢃꢃ
Memoꢁꢂ Pointeꢁs – MP0ꢄ MP1Lꢄ MP1Hꢄ MPꢅLꢄ MPꢅH..............................................................ꢃꢃ
Pꢁogꢁam Memoꢁꢂ Bank Pointeꢁ – PBP.......................................................................................ꢃ6
Accꢀmꢀlatoꢁ – ACC ...................................................................................................................ꢃ6
Pꢁogꢁam Coꢀnteꢁ Low Registeꢁ – PCL ......................................................................................ꢃ6
Look-ꢀp Table Registeꢁs – TBLPꢄ TBHPꢄ TBLH .........................................................................ꢃ6
Statꢀs Registeꢁ – STATUS ........................................................................................................ꢃ7
EEPROM Data Memory......................................................................................49
EEPROM Data Memoꢁꢂ Stꢁꢀctꢀꢁe .............................................................................................ꢃ9
EEPROM Registeꢁs ...................................................................................................................ꢃ9
Reading Data fꢁom the EEPROM ..............................................................................................51
Wꢁiting Data to the EEPROM.....................................................................................................51
Wꢁite Pꢁotection..........................................................................................................................51
EEPROM Inteꢁꢁꢀpt .....................................................................................................................51
Pꢁogꢁamming Consideꢁations.....................................................................................................5ꢅ
Oscillators ..........................................................................................................53
Oscillatoꢁ Oveꢁview ...................................................................................................................53
System Clock Configurations ....................................................................................................53
External High Speed Crystal Oscillator − HXT...........................................................................5ꢃ
Internal RC Oscillator − HIRC....................................................................................................55
External 32.768kHz Crystal Oscillator − LXT.............................................................................55
Internal 32kHz Oscillator − LIRC................................................................................................56
Operating Modes and System Clocks .............................................................56
Sꢂstem Clocks ...........................................................................................................................56
Sꢂstem Opeꢁation Modes...........................................................................................................57
Contꢁol Registeꢁs .......................................................................................................................5ꢆ
Opeꢁating Mode Switching.........................................................................................................61
Standbꢂ Cꢀꢁꢁent Consideꢁations................................................................................................65
Wake-ꢀp.....................................................................................................................................65
Watchdog Timer.................................................................................................66
Watchdog Timeꢁ Clock Soꢀꢁce...................................................................................................66
Watchdog Timeꢁ Contꢁol Registeꢁ..............................................................................................66
Watchdog Timeꢁ Opeꢁation ........................................................................................................67
Reset and Initialisation......................................................................................68
Reset Fꢀnctions .........................................................................................................................6ꢆ
Reset Initial Conditions .............................................................................................................7ꢅ
Rev. 1.10
3
�anꢀaꢁꢂ 0ꢃꢄ ꢅ01ꢆ
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
