17.3 Operation ..................................................................................................................................................................559
Section 18 RAM................................................................................................................................561
18.1 Overview................................................................................................................................................................... 561
18.1.1 Block Diagram ............................................................................................................................................561
18.1.2 Register Configuration ................................................................................................................................561
18.2 Register Descriptions................................................................................................................................................562
18.3 Operation ..................................................................................................................................................................562
18.4 Usage Note ............................................................................................................................................................... 562
Section 19 ROM................................................................................................................................563
19.1 Overview................................................................................................................................................................... 563
19.1.1 Block Diagram............................................................................................................................................. 563
19.1.2 Register Configuration ................................................................................................................................563
19.2 Register Descriptions................................................................................................................................................564
19.3 Operation ..................................................................................................................................................................565
19.4 PROM Mode (H8S/2357 ZTAT) ............................................................................................................................. 566
19.4.1 PROM Mode Setting................................................................................................................................... 566
19.5 Programming (H8S/2357 ZTAT) ............................................................................................................................. 569
19.5.1 Overview ..................................................................................................................................................... 569
19.5.3 Programming Precautions ........................................................................................................................... 572
19.6.1 Features ....................................................................................................................................................... 574
19.6.2 Block Diagram............................................................................................................................................. 575
19.6.4 Pin Configuration ........................................................................................................................................581
19.6.5 Register Configuration ................................................................................................................................581
19.7 Register Descriptions................................................................................................................................................582
19.8 On-Board Programming Modes ............................................................................................................................... 588
19.8.1 Boot Mode................................................................................................................................................... 588
19.8.2 User Program Mode ....................................................................................................................................592
19.9.1 Program Mode............................................................................................................................................. 594
19.9.2 Program-Verify Mode ................................................................................................................................. 594
19.9.3 Erase Mode..................................................................................................................................................596
19.9.4 Erase-Verify Mode ......................................................................................................................................596
19.10 Flash Memory Protection ......................................................................................................................................... 598
19.10.1 Hardware Protection....................................................................................................................................598
19.10.2 Software Protection ..................................................................................................................................... 599
Rev.6.00 Oct.28.2004 page xix of xxiv
REJ09B0138-0600H