Datasheet

Rev. 6.00 Aug 04, 2006 page xii of xxxvi
2.7.3 Program Halt State............................................................................................... 75
2.7.4 Exception-Handling State .................................................................................... 75
2.8 Memory Map .................................................................................................................... 76
2.8.1 Memory Map ....................................................................................................... 76
2.9 Application Notes ............................................................................................................. 83
2.9.1 Notes on Data Access .......................................................................................... 83
2.9.2 Notes on Bit Manipulation................................................................................... 85
2.9.3 Notes on Use of the EEPMOV Instruction .......................................................... 92
Section 3 Exception Handling ......................................................................................... 93
3.1 Overview........................................................................................................................... 93
3.2 Reset.................................................................................................................................. 93
3.2.1 Overview.............................................................................................................. 93
3.2.2 Reset Sequence .................................................................................................... 93
3.2.3 Interrupt Immediately after Reset ........................................................................ 94
3.3 Interrupts........................................................................................................................... 95
3.3.1 Overview.............................................................................................................. 95
3.3.2 Interrupt Control Registers................................................................................... 97
3.3.3 External Interrupts ............................................................................................... 107
3.3.4 Internal Interrupts................................................................................................. 108
3.3.5 Interrupt Operations............................................................................................. 108
3.3.6 Interrupt Response Time...................................................................................... 113
3.4 Application Notes ............................................................................................................. 114
3.4.1 Notes on Stack Area Use ..................................................................................... 114
3.4.2 Notes on Rewriting Port Mode Registers............................................................. 115
3.4.3 Method for Clearing Interrupt Request Flags ...................................................... 118
Section 4 Clock Pulse Generators................................................................................... 119
4.1 Overview........................................................................................................................... 119
4.1.1 Block Diagram..................................................................................................... 119
4.1.2 System Clock and Subclock................................................................................. 119
4.2 System Clock Generator ................................................................................................... 120
4.3 Subclock Generator........................................................................................................... 122
4.4 Prescalers .......................................................................................................................... 125
4.5 Note on Oscillators............................................................................................................ 126
4.5.1 Definition of Oscillation Stabilization Wait Time ............................................... 127
4.5.2 Notes on Use of Crystal Oscillator Element (Excluding Ceramic Oscillator
Element)............................................................................................................... 129