HD64F3687GHV Datasheet, PDF (13/566 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

5.6.2 Pin Connection when Not Using Subclock ......................................................... 91
5.7 Prescaler.............................................................................................................................. 91
5.7.1 Prescaler S........................................................................................................... 91
5.7.2 Prescaler W ......................................................................................................... 91
5.8 Usage Notes ........................................................................................................................ 92
5.8.1 Note on Resonators ............................................................................................. 92
5.8.2 Notes on Board Design ....................................................................................... 92
Section 6 Power-Down Modes ..............................................................................93
6.1 Register Descriptions .......................................................................................................... 94
6.1.1 System Control Register 1 (SYSCR1) ................................................................ 94
6.1.2 System Control Register 2 (SYSCR2) ................................................................ 97
6.1.3 Module Standby Control Register 1 (MSTCR1)................................................. 98
6.1.4 Module Standby Control Register 2 (MSTCR2)................................................. 99
6.2 Mode Transitions and States of LSI.................................................................................. 100
6.2.1 Sleep Mode ....................................................................................................... 103
6.2.2 Standby Mode ................................................................................................... 103
6.2.3 Subsleep Mode.................................................................................................. 104
6.2.4 Subactive Mode ................................................................................................ 104
6.3 Operating Frequency in Active Mode............................................................................... 105
6.4 Direct Transition ............................................................................................................... 105
6.4.1 Direct Transition from Active Mode to Subactive Mode.................................. 105
6.4.2 Direct Transition from Subactive Mode to Active Mode.................................. 106
6.5 Module Standby Function................................................................................................. 106
Section 7 ROM ....................................................................................................107
7.1 Block Configuration ......................................................................................................... 107
7.2 Register Descriptions ........................................................................................................ 112
7.2.1 Flash Memory Control Register 1 (FLMCR1).................................................. 112
7.2.2 Flash Memory Control Register 2 (FLMCR2).................................................. 113
7.2.3 Erase Block Register 1 (EBR1) ........................................................................ 114
7.2.4 Flash Memory Power Control Register (FLPWCR) ......................................... 116
7.2.5 Flash Memory Enable Register (FENR) ........................................................... 116
7.3 On-Board Programming Modes........................................................................................ 117
7.3.1 Boot Mode ........................................................................................................ 117
7.3.2 Programming/Erasing in User Program Mode.................................................. 120
7.4 Flash Memory Programming/Erasing ............................................................................... 121
7.4.1 Program/Program-Verify .................................................................................. 121
7.4.2 Erase/Erase-Verify............................................................................................ 124
7.4.3 Interrupt Handling when Programming/Erasing Flash Memory....................... 124
Rev. 3.00 Sep. 10, 2007 Page xi of xxxii