Rev. 7.00 Mar 10, 2005 page xxxiii of xlii
4.5.3 Note on Use of HD64F38024.............................................................................. 118
4.6 Notes on H8/38124 Group................................................................................................ 118
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
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