HD6433308 Datasheet, PDF (9/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

12.4 Operation .............................................................................................................................. 240
12.4.1 Expanded Modes (Modes 1 and 2) .......................................................................... 240
12.4.2 Single-Chip Mode (Mode 3) ................................................................................... 240
Section 13. ROM....................................................................................................................... 241
13.1 Overview............................................................................................................................... 241
13.1.1 Block Diagram......................................................................................................... 242
13.2 PROM Mode......................................................................................................................... 242
13.2.1 PROM Mode Setup ................................................................................................. 242
13.2.2 Socket Adapter Pin Assignments and Memory Map............................................... 243
13.3 Programming ........................................................................................................................ 245
13.3.1 Writing and Verifying .............................................................................................. 245
13.3.2 Notes on Writing...................................................................................................... 249
13.3.3 Reliability of Written Data ...................................................................................... 249
13.3.4 Erasing of Data ........................................................................................................ 250
13.4 Handling of Windowed Packages......................................................................................... 250
Section 14. Power-Down State..............................................................................................253
14.1 Overview............................................................................................................................... 253
14.2 System Control Register: Power-Down Control Bits ........................................................... 254
14.3 Sleep Mode ........................................................................................................................... 255
14.3.1 Transition to Sleep Mode......................................................................................... 256
14.3.2 Exit from Sleep Mode ............................................................................................. 256
14.4 Software Standby Mode........................................................................................................ 256
14.4.1 Transition to Software Standby Mode..................................................................... 257
14.4.2 Exit from Software Standby Mode.......................................................................... 257
14.4.3 Sample Application of Software Standby Mode ..................................................... 257
14.4.4 Application Notes .................................................................................................... 258
14.5 Hardware Standby Mode ...................................................................................................... 259
14.5.1 Transition to Hardware Standby Mode.................................................................... 259
14.5.2 Recovery from Hardware Standby Mode................................................................ 259
14.5.3 Timing Relationships............................................................................................... 260
Section 15. E-Clock Interface................................................................................................261
15.1 Overview............................................................................................................................... 261
Section 16. Clock Pulse Generator.......................................................................................265
16.1 Overview............................................................................................................................... 265
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