User's Manual

Table Of Contents
49. RAM ........................................................................................................................................... 1676
49.1 Overview .........................................................................................................................................1676
49.2 Operation .........................................................................................................................................1676
49.2.1 Low Power Consumption Function ........................................................................................1676
49.2.2 Notes on Self-Diagnosis of the RAM .....................................................................................1676
50. Flash Memory (FLASH) ............................................................................................................. 1677
50.1 Overview .........................................................................................................................................1677
50.2 ROM Area and Block Configuration ...............................................................................................1678
50.3 E2 DataFlash Area and Block Configuration ..................................................................................1679
50.4 Register Descriptions .......................................................................................................................1680
50.4.1 E2 DataFlash Control Register (DFLCTL) ............................................................................1680
50.4.2 Flash P/E Mode Entry Register (FENTRYR) ........................................................................1681
50.4.3 Protection Unlock Register (FPR) ..........................................................................................1682
50.4.4 Protection Unlock Status Register (FPSR) .............................................................................1682
50.4.5 Flash P/E Mode Control Register (FPMCR) ..........................................................................1683
50.4.6 Flash Initial Setting Register (FISR) ......................................................................................1684
50.4.7 Flash Reset Register (FRESETR) ...........................................................................................1686
50.4.8 Flash Area Select Register (FASR) ........................................................................................1686
50.4.9 Flash Control Register (FCR) .................................................................................................1687
50.4.10 Flash Extra Area Control Register (FEXCR) .........................................................................1689
50.4.11 Flash Processing Start Address Register H (FSARH) ............................................................1690
50.4.12 Flash Processing Start Address Register L (FSARL) .............................................................1690
50.4.13 Flash Processing End Address Register H (FEARH) .............................................................1691
50.4.14 Flash Processing End Address Register L (FEARL) ..............................................................1691
50.4.15 Flash Write Buffer Register n (FWBn) (n = 0 to 3) ...............................................................1692
50.4.16 Flash Status Register 0 (FSTATR0) .......................................................................................1693
50.4.17 Flash Status Register 1 (FSTATR1) .......................................................................................1695
50
.4.18 Flash Error Address Monitor Register H (FEAMH) ..............................................................1696
50.4.19 Flash Error Address Monitor Register L (FEAML) ...............................................................1696
50.4.20 Flash Start-Up Setting Monitor Register (FSCMR) ...............................................................1697
50.4.21 Flash Access Window Start Address Monitor Register (FAWSMR) ....................................1697
50.4.22 Flash Access Window End Address Monitor Register (FAWEMR) .....................................1698
50.4.23 Unique ID Register n (UIDRn) (n = 0 to 3) ...........................................................................1698
50.5 Start-Up Program Protection ........................................................................................................... 1699
50.6 Area Protection ................................................................................................................................1700
50.7 Programming and Erasure ...............................................................................................................1701
50.7.1 Sequencer Modes ....................................................................................................................1701
50.7.1.1 E2 DataFlash Access Disabled Mode ............................................................................1701
50.7.1.2 Read Mode .....................................................................................................................1702
50.7.1.3 P/E Modes .....................................................................................................................1702
50.7.2 Mode Transitions ....................................................................................................................1702