12.4.2
12.4.3
12.4.4
Interrupts ........................................................................................................................ 387
Usage Notes.................................................................................................................... 387
Scan Mode (SCAN = 1).................................................................................. 383
Input Sampling and A/D Conversion Time.................................................... 385
External Trigger Input Timing........................................................................ 386
12.5
12.6
Section 13
13.1
RAM
............................................................................................................. 389
Overview ........................................................................................................................ 389
13.1.1
Block Diagram................................................................................................ 389
13.1.2
Register Configuration.................................................................................... 390
System Control Register (SYSCR)................................................................................. 391
Operation ........................................................................................................................ 392
13.3.1
Mode 1............................................................................................................ 392
13.3.2
Modes 2 and 3................................................................................................. 392
13.2
13.3
Section 14
14.1
ROM
............................................................................................................. 393
Overview ........................................................................................................................ 393
14.1.1
Block Diagram................................................................................................ 393
PROM Mode................................................................................................................... 394
14.2.1
PROM Mode Setting ...................................................................................... 394
14.2.2
Socket Adapter and Memory Map.................................................................. 394
Programming .................................................................................................................. 397
14.3.1
Programming and Verification........................................................................ 397
14.3.2
Programming Precautions............................................................................... 402
Reliability of Programmed Data..................................................................................... 403
14.2
14.3
14.4
Section 15
15.1
Clock Pulse Generator
............................................................................. 405
Overview ........................................................................................................................ 405
15.1.1
Block Diagram................................................................................................ 405
Oscillator Circuit ............................................................................................................ 406
15.2.1
Connecting a Crystal Resonator ..................................................................... 406
15.2.2
External Clock Input....................................................................................... 408
Duty Adjustment Circuit................................................................................................. 410
Prescalers........................................................................................................................ 410
15.2
15.3
15.4
Section 16
16.1
16.2
Power-Down State
.................................................................................... 411
Overview ........................................................................................................................ 411
Register Configuration.................................................................................................... 412
16.2.1
System Control Register (SYSCR)................................................................. 412
Sleep Mode..................................................................................................................... 414
16.3.1
Transition to Sleep Mode................................................................................ 414
16.3