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
S andby 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