H8S2169 Datasheet, PDF (25/1075 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

Section 21 RAM .................................................................................................................. 683
21.1 Overview........................................................................................................................... 683
21.1.1 Block Diagram ..................................................................................................... 683
21.1.2 Register Configuration......................................................................................... 684
21.2 System Control Register (SYSCR) ................................................................................... 684
21.3 Operation .......................................................................................................................... 685
21.3.1 Expanded Mode (Modes 1 to 3 (EXPE = 1)) ....................................................... 685
21.3.2 Single-Chip Mode (Modes 2 and 3 (EXPE = 0)) ................................................. 685
Section 22 ROM .................................................................................................................. 687
22.1 Overview........................................................................................................................... 687
22.1.1 Block Diagram ..................................................................................................... 687
22.1.2 Register Configuration......................................................................................... 688
22.2 Register Descriptions ........................................................................................................ 688
22.2.1 Mode Control Register (MDCR) ......................................................................... 688
22.3 Operation .......................................................................................................................... 689
22.4 Overview of Flash Memory .............................................................................................. 690
22.4.1 Features................................................................................................................ 690
22.4.2 Block Diagram ..................................................................................................... 691
22.4.3 Flash Memory Operating Modes ......................................................................... 692
22.4.4 Pin Configuration................................................................................................. 696
22.4.5 Register Configuration......................................................................................... 697
22.5 Register Descriptions ........................................................................................................ 697
22.5.1 Flash Memory Control Register 1 (FLMCR1)..................................................... 697
22.5.2 Flash Memory Control Register 2 (FLMCR2)..................................................... 699
22.5.3 Erase Block Registers 1 and 2 (EBR1, EBR2)..................................................... 701
22.5.4 Serial/Timer Control Register (STCR) ................................................................ 702
22.6 On-Board Programming Modes........................................................................................ 703
22.6.1 Boot Mode ........................................................................................................... 704
22.6.2 User Program Mode............................................................................................. 709
22.7 Programming/Erasing Flash Memory ............................................................................... 710
22.7.1 Program Mode ..................................................................................................... 711
22.7.2 Program-Verify Mode.......................................................................................... 712
22.7.3 Erase Mode .......................................................................................................... 714
22.7.4 Erase-Verify Mode .............................................................................................. 714
22.8 Flash Memory Protection.................................................................................................. 716
22.8.1 Hardware Protection ............................................................................................ 716
22.8.2 Software Protection.............................................................................................. 717
22.8.3 Error Protection.................................................................................................... 717
22.9 Interrupt Handling when Programming/Erasing Flash Memory....................................... 719
22.10 Flash Memory Programmer Mode .................................................................................... 719
Rev. 3.00 Jan 18, 2006 page xxv of xxviii