23.2 Configuration............................................................................................................................ 646
23.3 Operation .................................................................................................................................. 647
CHAPTER 24 REGULATOR ................................................................................................................. 650
24.1 Overview ................................................................................................................................... 650
24.2 Operation .................................................................................................................................. 650
CHAPTER 25 ROM CORRECTION FUNCTION................................................................................. 652
25.1 Overview ................................................................................................................................... 652
25.2 Registers................................................................................................................................... 653
25.3 ROM Correction Operation and Program Flow..................................................................... 654
CHAPTER 26 FLASH MEMORY (SINGLE POWER) ........................................................................ 656
26.1 Features .................................................................................................................................... 656
26.2 Memory Configuration............................................................................................................. 657
26.3 Functional Outline.................................................................................................................... 658
26.4 Rewriting by Dedicated Flash Programmer .......................................................................... 660
26.4.1 Programming environment........................................................................................................... 660
26.4.2 Communication mode.................................................................................................................. 661
26.4.3 Flash memory control .................................................................................................................. 668
26.4.4 Selection of communication mode............................................................................................... 669
26.4.5 Communication commands ......................................................................................................... 670
26.4.6 Pin connection ............................................................................................................................. 671
26.5 Rewriting by Self Programming.............................................................................................. 676
26.5.1 Overview...................................................................................................................................... 676
26.5.2 Features....................................................................................................................................... 677
26.5.3 Standard self programming flow .................................................................................................. 678
26.5.4 Flash functions............................................................................................................................. 679
26.5.5 Pin processing ............................................................................................................................. 679
26.5.6 Internal resources used ............................................................................................................... 680
CHAPTER 27 FLASH MEMORY (TWO POWER) ............................................................................. 681
27.1 Features .................................................................................................................................... 681
27.2 Writing with Flash Programmer.............................................................................................. 682
27.3 Programming Environment..................................................................................................... 688
27.4 Communication Mode.............................................................................................................. 688
27.5 Pin Processing ......................................................................................................................... 691
27.5.1 VPP pin ......................................................................................................................................... 691
27.5.2 Serial interface pins ..................................................................................................................... 692
27.5.3 RESET pin................................................................................................................................... 694
27.5.4 Port pins....................................................................................................................................... 694
27.5.5 Other signal pins.......................................................................................................................... 694
27.5.6 Power supply ............................................................................................................................... 694
27.6 Programming Method.............................................................................................................. 695
27.6.1 Controlling flash memory ............................................................................................................. 695
27.6.2 Flash memory programming mode.............................................................................................. 696
27.6.3 Selecting communication mode................................................................................................... 696
27.6.4 Communication commands ......................................................................................................... 697
16
User’s Manual U16890EJ1V0UD
NEC [ NEC ]
