Rev. 7.00 Mar 10, 2005 page xxxii of xlii
2.7.2 Program Execution State ..................................................................................... 59
2.7.3 Program Halt State............................................................................................... 59
2.7.4 Exception-Handling State.................................................................................... 59
2.8 Memory Map.................................................................................................................... 60
2.8.1 Memory Map....................................................................................................... 60
2.9 Application Notes............................................................................................................. 66
2.9.1 Notes on Data Access.......................................................................................... 66
2.9.2 Notes on Bit Manipulation................................................................................... 68
2.9.3 Notes on Use of the EEPMOV Instruction.......................................................... 74
Section 3 Exception Handling......................................................................................... 75
3.1 Overview........................................................................................................................... 75
3.2 Reset ................................................................................................................................. 75
3.2.1 Overview.............................................................................................................. 75
3.2.2 Reset Sequence.................................................................................................... 75
3.2.3 Interrupt Immediately after Reset........................................................................ 76
3.3 Interrupts........................................................................................................................... 77
3.3.1 Overview.............................................................................................................. 77
3.3.2 Interrupt Control Registers .................................................................................. 79
3.3.3 External Interrupts............................................................................................... 90
3.3.4 Internal Interrupts ................................................................................................ 91
3.3.5 Interrupt Operations............................................................................................. 92
3.3.6 Interrupt Response Time...................................................................................... 97
3.4 Application Notes............................................................................................................. 98
3.4.1 Notes on Stack Area Use..................................................................................... 98
3.4.2 Notes on Rewriting Port Mode Registers ............................................................ 99
3.4.3 Method for Clearing Interrupt Request Flags...................................................... 101
Section 4 Clock Pulse Generators................................................................................... 103
4.1 Overview........................................................................................................................... 103
4.1.1 Block Diagram..................................................................................................... 103
4.1.2 System Clock and Subclock ................................................................................ 104
4.1.3 Register Descriptions........................................................................................... 105
4.2 System Clock Generator................................................................................................... 106
4.3 Subclock Generator .......................................................................................................... 111
4.4 Prescalers.......................................................................................................................... 113
4.5 Note on Oscillators ........................................................................................................... 114
4.5.1 Definition of Oscillation Stabilization Wait Time............................................... 115
4.5.2 Notes on Use of Crystal Oscillator Element (Excluding Ceramic Oscillator
Element) .............................................................................................................. 117