
User’s Manual U17790EJ2V0UD
12
10.3
Control Registers ................................................................................................................. 442
10.4
Operation............................................................................................................................... 446
10.4.1
Operation as watch timer .........................................................................................................446
10.4.2
Operation as interval timer.......................................................................................................447
10.4.3
Cautions...................................................................................................................................448
CHAPTER 11 FUNCTIONS OF WATCHDOG TIMER 2 ................................................................... 449
11.1
Functions............................................................................................................................... 449
11.2
Configuration ........................................................................................................................ 450
11.3
Registers ............................................................................................................................... 451
11.4
Operation............................................................................................................................... 454
CHAPTER 12 REAL-TIME OUTPUT FUNCTION (RTO)................................................................... 455
12.1
Function................................................................................................................................. 455
12.2
Configuration ........................................................................................................................ 456
12.3
Registers ............................................................................................................................... 458
12.4
Operation............................................................................................................................... 460
12.5
Usage ..................................................................................................................................... 461
12.6
Cautions ................................................................................................................................ 461
CHAPTER 13 A/D CONVERTER ......................................................................................................... 462
13.1
Overview................................................................................................................................ 462
13.2
Functions............................................................................................................................... 462
13.3
Configuration ........................................................................................................................ 463
13.4
Registers ............................................................................................................................... 466
13.5
Operation............................................................................................................................... 477
13.5.1
Basic operation ........................................................................................................................477
13.5.2
Conversion operation timing ....................................................................................................478
13.5.3
Trigger mode ...........................................................................................................................479
13.5.4
Operation mode .......................................................................................................................481
13.5.5
Power-fail compare mode ........................................................................................................485
13.6
Cautions ................................................................................................................................ 490
13.7
How to Read A/D Converter Characteristics Table........................................................... 494
CHAPTER 14 D/A CONVERTER ......................................................................................................... 498
14.1
Functions............................................................................................................................... 498
14.2
Configuration ........................................................................................................................ 498
14.3
Registers ............................................................................................................................... 499
14.4
Operation............................................................................................................................... 501
14.4.1
Operation in normal mode .......................................................................................................501
14.4.2
Operation in real-time output mode..........................................................................................501
14.4.3
Cautions...................................................................................................................................502
CHAPTER 15 ASYNCHRONOUS SERIAL INTERFACE A (UARTA) ............................................. 503
15.1
Mode Switching of UARTA and Other Serial Interfaces ................................................... 503
15.1.1
CSIB4 and UARTA0 mode switching.......................................................................................503
15.1.2
UARTA2 and I
2C00 mode switching.........................................................................................504
15.1.3
UARTA1 and I
2C02 mode switching.........................................................................................505
15.2
Features................................................................................................................................. 506