SH7020 Datasheet, PDF (19/509 Pages) Renesas Technology Corp – SuperH™ RISC engine

16.2.2 Socket Adapter Pin Correspondence and Memory Map ..................................... 421
16. 3 PROM Programming ......................................................................................................... 423
16.3.1 Selecting the Programming Mode........................................................................ 423
16.3.2 Write/Verify and Electrical Characteristics.......................................................... 424
16.3.3 Points to Note About Writing............................................................................... 428
16.3.4 Reliability After Writing ...................................................................................... 429
Section 17 RAM .................................................................................................................. 431
17.1 Overview............................................................................................................................ 431
17.2 Operation ........................................................................................................................... 431
Section 18 Power-Down States ...................................................................................... 433
18.1 Overview............................................................................................................................ 433
18.1.1 Power-Down Modes............................................................................................. 433
18.1.2 Register................................................................................................................. 434
18.2 Standby Control Register (SBYCR).................................................................................. 434
18.3 Sleep Mode........................................................................................................................ 435
18.3.1 Transition to the Sleep Mode ............................................................................... 435
18.3.2 Canceling the Sleep Mode.................................................................................... 435
18.4 Standby Mode .................................................................................................................... 436
18.4.1 Transition to the Standby Mode ........................................................................... 436
18.4.2 Canceling the Standby Mode................................................................................ 438
18.4.3 Standby Mode Application................................................................................... 439
Section 19 Electrical Characteristics ............................................................................ 441
19.1 Absolute Maximum Ratings.............................................................................................. 441
19.2 DC Characteristics ............................................................................................................. 442
19.3 AC Characteristics ............................................................................................................. 449
19.3.1 Clock Timing........................................................................................................ 449
19.3.2 Control Signal Timing.......................................................................................... 451
19.3.3 Bus Timing ........................................................................................................... 454
19.3.4 DMAC Timing ..................................................................................................... 490
19.3.5 16-bit Integrated Timer Pulse Unit Timing.......................................................... 491
19.3.6 Programmable Timing Pattern Controller and I/O Port Timing .......................... 493
19.3.7 Watchdog Timer Timing ...................................................................................... 494
19.3.8 Serial Communications Interface Timing ............................................................ 495
19.3.9 AC Characteristics Measurement Conditions ...................................................... 497
19.4 Usage Note ........................................................................................................................ 498
Appendix A On-Chip Peripheral Module Registers ................................................ 499
A.1 List of Registers................................................................................................................. 499
A.2 Register tables.................................................................................................................... 509
A.2.1 Serial Mode Register (SMR)................................................................................ 509