HD64F3644PV Datasheet, PDF (15/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

5.3.1 Transition to Standby Mode................................................................................. 95
5.3.2 Clearing Standby Mode........................................................................................ 95
5.3.3 Oscillator Settling Time after Standby Mode Is Cleared ..................................... 96
5.4 Watch Mode...................................................................................................................... 96
5.4.1 Transition to Watch Mode ................................................................................... 96
5.4.2 Clearing Watch Mode .......................................................................................... 97
5.4.3 Oscillator Settling Time after Watch Mode Is Cleared ........................................ 97
5.5 Subsleep Mode.................................................................................................................. 97
5.5.1 Transition to Subsleep Mode ............................................................................... 97
5.5.2 Clearing Subsleep Mode ...................................................................................... 98
5.6 Subactive Mode................................................................................................................. 98
5.6.1 Transition to Subactive Mode .............................................................................. 98
5.6.2 Clearing Subactive Mode..................................................................................... 98
5.6.3 Operating Frequency in Subactive Mode ............................................................. 99
5.7 Active (Medium-Speed) Mode.......................................................................................... 99
5.7.1 Transition to Active (Medium-Speed) Mode ....................................................... 99
5.7.2 Clearing Active (Medium-Speed) Mode .............................................................. 99
5.7.3 Operating Frequency in Active (Medium-Speed) Mode ...................................... 99
5.8 Direct Transfer .................................................................................................................. 100
Section 6 ROM..................................................................................................................... 103
6.1 Overview........................................................................................................................... 103
6.1.1 Block Diagram ..................................................................................................... 103
6.2 PROM Mode..................................................................................................................... 104
6.2.1 Setting to PROM Mode........................................................................................ 104
6.2.2 Memory Map ....................................................................................................... 104
6.3 Programming..................................................................................................................... 105
6.3.1 Writing and Verifying .......................................................................................... 106
6.3.2 Programming Precautions .................................................................................... 109
6.3.3 Reliability of Programmed Data........................................................................... 110
6.4 Flash Memory Overview................................................................................................... 111
6.4.1 Principle of Flash Memory Operation.................................................................. 111
6.4.2 Mode Pin Settings and ROM Space..................................................................... 112
6.4.3 Features................................................................................................................ 112
6.4.4 Block Diagram ..................................................................................................... 113
6.4.5 Pin Configuration................................................................................................. 114
6.4.6 Register Configuration ......................................................................................... 114
6.5 Flash Memory Register Descriptions ................................................................................ 115
6.5.1 Flash Memory Control Register (FLMCR) .......................................................... 115
6.5.2 Erase Block Register 1 (EBR1) ........................................................................... 117
6.5.3 Erase Block Register 2 (EBR2) ........................................................................... 118
Rev. 6.00 Sep 12, 2006 page xiii of xx