
iii
5.2.3 
Standby Mode.................................................................................................................... 102
5.3.1 
Transition to Standby Mode.................................................................................. 102
5.3.2 
Clearing Standby Mode........................................................................................ 102
5.3.3 
Oscillator Settling Time after Standby Mode is Cleared...................................... 103
5.3.4 
Standby Mode Transition and Pin States.............................................................. 104
5.3.5 
Notes on External Input Signal Changes before/after Standby Mode.................. 105
Watch Mode....................................................................................................................... 107
5.4.1 
Transition to Watch Mode.................................................................................... 107
5.4.2 
Clearing Watch Mode........................................................................................... 107
5.4.3 
Oscillator Settling Time after Watch Mode is Cleared ........................................ 107
5.4.4 
Notes on External Input Signal Changes before/after Watch Mode..................... 107
Subsleep Mode................................................................................................................... 108
5.5.1 
Transition to Subsleep Mode................................................................................ 108
5.5.2 
Clearing Subsleep Mode....................................................................................... 108
Subactive Mode.................................................................................................................. 109
5.6.1 
Transition to Subactive Mode............................................................................... 109
5.6.2 
Clearing Subactive Mode...................................................................................... 109
5.6.3 
Operating Frequency in Subactive Mode ............................................................. 109
Active (Medium-Speed) Mode.......................................................................................... 110
5.7.1 
Transition to Active (Medium-Speed) Mode........................................................ 110
5.7.2 
Clearing Active (Medium-Speed) Mode.............................................................. 110
5.7.3 
Operating Frequency in Active (Medium-Speed) Mode...................................... 110
Direct Transfer................................................................................................................... 111
5.8.1 
Overview of Direct Transfer................................................................................. 111
5.8.2 
Direct Transition Times........................................................................................ 112
5.8.3 
Notes on External Input Signal Changes before/after Direct Transition.............. 114
Module Standby Mode....................................................................................................... 115
5.9.1 
Setting Module Standby Mode............................................................................. 115
5.9.2 
Clearing Module Standby Mode........................................................................... 115
Clock Frequency in Sleep (Medium-Speed) Mode.............................................. 102
5.3 
5.4 
5.5 
5.6 
5.7 
5.8 
5.9 
Section 6   ROM
...................................................................................................................... 117
6.1 
Overview............................................................................................................................ 117
6.1.1 
Block Diagram...................................................................................................... 117
6.2 
H8/3802 PROM Mode....................................................................................................... 118
6.2.1 
Setting to PROM Mode........................................................................................ 118
6.2.2 
Socket Adapter Pin Arrangement and Memory Map ........................................... 118
6.3 
H8/3802 Programming....................................................................................................... 121
6.3.1 
Writing and Verifying........................................................................................... 121
6.3.2 
Programming Precautions..................................................................................... 126
6.4 
Reliability of Programmed Data........................................................................................ 127