H838024 datasheet(33/697 Pages) RENESAS

33 / 697 page

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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