HD6433644R datasheet(13/549 Pages) RENESAS

13 / 549 page

Rev. 6.00 Sep 12, 2006 page xiii of xx

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

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

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