H838532H datasheet(12/508 Pages) RENESAS

12 / 508 page

Rev. 1.00 May 30, 2008 Page xii of xx

5.3.5

Notes on External Input Signal Changes before/after Standby Mode............... 108

5.4

Watch Mode......................................................................................................................110

5.4.1

Transition to Watch Mode ................................................................................ 110

5.4.2

Clearing Watch Mode....................................................................................... 110

5.4.3

Oscillator Settling Time after Watch Mode is Cleared ..................................... 110

5.4.4

Notes on External Input Signal Changes before/after Watch Mode ................. 111

5.5

Subsleep Mode.................................................................................................................. 111

5.5.1

Transition to Subsleep Mode ............................................................................ 111

5.5.2

Clearing Subsleep Mode................................................................................... 111

5.6

Subactive Mode ................................................................................................................ 112

5.6.1

Transition to Subactive Mode........................................................................... 112

5.6.2

Clearing Subactive Mode.................................................................................. 112

5.6.3

Operating Frequency in Subactive Mode.......................................................... 112

5.7

Active (Medium-Speed) Mode ......................................................................................... 113

5.7.1

Transition to Active (Medium-Speed) Mode.................................................... 113

5.7.2

Clearing Active (Medium-Speed) Mode........................................................... 113

5.7.3

Operating Frequency in Active (Medium-Speed) Mode................................... 113

5.8

Direct Transfer.................................................................................................................. 114

5.8.1

Overview of Direct Transfer............................................................................. 114

5.8.2

Direct Transition Times .................................................................................... 115

5.8.3

Notes on External Input Signal Changes before/after Direct Transition........... 117

5.9

Module Standby Mode...................................................................................................... 118

5.9.1

Setting Module Standby Mode ......................................................................... 118

5.9.2

Clearing Module Standby Mode....................................................................... 118

5.9.3

Usage Note........................................................................................................ 120

Section 6 ROM .................................................................................................. 121

6.1

Overview .......................................................................................................................... 121

6.2

Flash Memory Overview .................................................................................................. 121

6.2.1

Features............................................................................................................. 121

6.2.2

Block Diagram.................................................................................................. 122

6.2.3

Block Configuration ......................................................................................... 123

6.2.4

6.3

Descriptions of Registers of the Flash Memory................................................................ 126

6.3.1

Flash Memory Control Register 1 (FLMCR1).................................................. 126

6.3.2

Flash Memory Control Register 2 (FLMCR2).................................................. 129

6.3.3

Erase Block Register (EBR) ............................................................................. 130

6.3.4

Flash Memory Power Control Register (FLPWCR) ......................................... 131

6.3.5

Flash Memory Enable Register (FENR) ........................................................... 132

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