BS67F350C
Touch A/D Flash MCU with LCD Driver
On-Chip Debug Support – OCDS ...............................................................................................29
In Application Programming – IAP ..............................................................................................29
Data Memory .......................................................................................................44
Structure......................................................................................................................................44
Data Memory Addressing............................................................................................................45
General Purpose Data Memory ..................................................................................................45
Special Purpose Data Memory ...................................................................................................45
Special Function Register Description.............................................................47
Indirect Addressing Registers – IAR0, IAR1, IAR2 .....................................................................47
Memory Pointers – MP0, MP1L/MP1H, MP2L/MP2H.................................................................47
Accumulator – ACC ....................................................................................................................48
Program Counter Low Register – PCL .......................................................................................49
Look-up Table Registers – TBLP, TBHP, TBLH ..........................................................................49
Status Register – STATUS .........................................................................................................49
EEPROM Data Memory.......................................................................................51
EEPROM Data Memory Structure ..............................................................................................51
EEPROM Registers ....................................................................................................................51
Reading Data from the EEPROM ...............................................................................................53
Writing Data to the EEPROM......................................................................................................53
Write Protection...........................................................................................................................53
EEPROM Interrupt ......................................................................................................................53
Programming Considerations......................................................................................................54
Oscillators ...........................................................................................................55
Oscillator Overview .....................................................................................................................55
System Clock Configurations......................................................................................................55
External Crystal/Resonator Oscillator – HXT..............................................................................56
Internal High Speed RC Oscillator – HIRC .................................................................................57
External 32768Hz Crystal Oscillator – LXT.................................................................................57
Internal 32kHz Oscillator – LIRC.................................................................................................58
Operating Modes and System Clocks ..............................................................58
System Clocks ............................................................................................................................58
System Operation Modes............................................................................................................59
Control Registers ........................................................................................................................60
Operating Mode Switching..........................................................................................................63
Standby Current Considerations.................................................................................................66
Wake-up......................................................................................................................................66
Watchdog Timer..................................................................................................67
Watchdog Timer Clock Source....................................................................................................67
Watchdog Timer Control Register...............................................................................................67
Watchdog Timer Operation .........................................................................................................68
Reset and Initialisation.......................................................................................69
Reset Functions ..........................................................................................................................69
Reset Initial Conditions ...............................................................................................................72
Rev. 1.21
3
November 09, 2023
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