Rev. 7.00 Mar 10, 2005 page xxxiii of xlii
4.5.3
Notes on H8/38124 Group................................................................................................ 118
Note on Use of HD64F38024.............................................................................. 118
4.6
Section 5 Power-Down Modes
........................................................................................ 119
5.1
Overview........................................................................................................................... 119
5.1.1
System Control Registers .................................................................................... 122
5.2
Sleep Mode....................................................................................................................... 126
5.2.1
Transition to Sleep Mode..................................................................................... 126
5.2.2
Clearing Sleep Mode........................................................................................... 127
5.2.3
Clock Frequency in Sleep (Medium-Speed) Mode.............................................. 127
5.3
Standby Mode................................................................................................................... 128
5.3.1
Transition to Standby Mode ................................................................................ 128
5.3.2
Clearing Standby Mode....................................................................................... 128
5.3.3
Oscillator Stabilization Time after Standby Mode is Cleared.............................. 128
5.3.4
Standby Mode Transition and Pin States............................................................. 130
5.3.5
Notes on External Input Signal Changes before/after Standby Mode ................. 131
5.4
Watch Mode...................................................................................................................... 132
5.4.1
Transition to Watch Mode................................................................................... 132
5.4.2
Clearing Watch Mode.......................................................................................... 133
5.4.3
Oscillator StabilizationTime after Watch Mode is Cleared................................. 133
5.4.4
Notes on External Input Signal Changes before/after Watch Mode.................... 133
5.5
Subsleep Mode.................................................................................................................. 134
5.5.1
Transition to Subsleep Mode............................................................................... 134
5.5.2
Clearing Subsleep Mode...................................................................................... 134
5.6
Subactive Mode................................................................................................................ 135
5.6.1
Transition to Subactive Mode.............................................................................. 135
5.6.2
Clearing Subactive Mode .................................................................................... 135
5.6.3
Operating Frequency in Subactive Mode ............................................................ 135
5.7
Active (Medium-Speed) Mode......................................................................................... 136
5.7.1
Transition to Active (Medium-Speed) Mode....................................................... 136
5.7.2
Clearing Active (Medium-Speed) Mode ............................................................. 136
5.7.3
Operating Frequency in Active (Medium-Speed) Mode ..................................... 136
5.8
Direct Transfer.................................................................................................................. 137
5.8.1
Overview of Direct Transfer................................................................................ 137
5.8.2
Direct Transition Times....................................................................................... 138
5.8.3
Notes on External Input Signal Changes before/after Direct Transition.............. 140
5.9
Module Standby Mode...................................................................................................... 141
5.9.1
Setting Module Standby Mode............................................................................ 141
5.9.2
Clearing Module Standby Mode.......................................................................... 141