HD6433802H Datasheet, PDF (12/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

2.8 Memory Map...................................................................................................................... 45
2.8.1 Memory Map ........................................................................................................ 45
2.9 Application Notes .............................................................................................................. 48
2.9.1 Notes on Data Access ........................................................................................... 48
2.9.2 Notes on Bit Manipulation.................................................................................... 50
2.9.3 Notes on Use of the EEPMOV Instruction ........................................................... 56
Section 3 Exception Handling .......................................................................................... 57
3.1 Overview............................................................................................................................ 57
3.2 Reset................................................................................................................................... 57
3.2.1 Overview............................................................................................................... 57
3.2.2 Reset Sequence ..................................................................................................... 57
3.2.3 Interrupt Immediately after Reset ......................................................................... 59
3.3 Interrupts ............................................................................................................................ 59
3.3.1 Overview............................................................................................................... 59
3.3.2 Interrupt Control Registers ................................................................................... 61
3.3.3 External Interrupts ................................................................................................ 70
3.3.4 Internal Interrupts.................................................................................................. 71
3.3.5 Interrupt Operations.............................................................................................. 72
3.3.6 Interrupt Response Time....................................................................................... 77
3.4 Application Notes .............................................................................................................. 78
3.4.1 Notes on Stack Area Use ...................................................................................... 78
3.4.2 Notes on Rewriting Port Mode Registers ............................................................. 79
3.4.3 Interrupt Request Flag Clearing Method .............................................................. 80
Section 4 Clock Pulse Generators.................................................................................... 83
4.1 Overview............................................................................................................................ 83
4.1.1 Block Diagram...................................................................................................... 83
4.1.2 System Clock and Subclock.................................................................................. 83
4.2 System Clock Generator .................................................................................................... 84
4.3 Subclock Generator............................................................................................................ 87
4.4 Prescalers ........................................................................................................................... 89
4.5 Note on Oscillators ............................................................................................................ 90
4.5.1 Definition of Oscillation Settling Standby Time .................................................. 90
4.5.2 Notes on Use of Crystal Oscillator Element
(Excluding Ceramic Oscillator Element).............................................................. 92
Section 5 Power-Down Modes ......................................................................................... 93
5.1 Overview............................................................................................................................ 93
5.1.1 System Control Registers...................................................................................... 96
5.2 Sleep Mode ........................................................................................................................ 101
5.2.1 Transition to Sleep Mode...................................................................................... 101
5.2.2 Clearing Sleep Mode ............................................................................................ 101
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