
Preliminary User’s Manual U17790EJ1V0UD
13
10.3
Control Registers ..................................................................................................................443
10.4
Operation................................................................................................................................447
10.4.1
Operation as watch timer......................................................................................................... 447
10.4.2
Operation as interval timer....................................................................................................... 448
10.4.3
Cautions .................................................................................................................................. 449
CHAPTER 11 FUNCTIONS OF WATCHDOG TIMER 2....................................................................450
11.1
Functions ...............................................................................................................................450
11.2
Configuration .........................................................................................................................451
11.3
Registers ................................................................................................................................452
11.4
Operation................................................................................................................................455
CHAPTER 12 REAL-TIME OUTPUT FUNCTION (RTO) ...................................................................456
12.1
Function .................................................................................................................................456
12.2
Configuration .........................................................................................................................457
12.3
Registers ................................................................................................................................459
12.4
Operation................................................................................................................................461
12.5
Usage......................................................................................................................................462
12.6
Cautions .................................................................................................................................462
CHAPTER 13 A/D CONVERTER ..........................................................................................................463
13.1
Overview.................................................................................................................................463
13.2
Functions ...............................................................................................................................463
13.3
Configuration .........................................................................................................................464
13.4
Registers ................................................................................................................................467
13.5
Operation................................................................................................................................478
13.5.1
Basic operation........................................................................................................................ 478
13.5.2
Conversion operation timing .................................................................................................... 479
13.5.3
Trigger mode ........................................................................................................................... 480
13.5.4
Operation mode....................................................................................................................... 482
13.5.5
Power-fail compare mode........................................................................................................ 486
13.6
Cautions .................................................................................................................................491
13.7
How to Read A/D Converter Characteristics Table............................................................495
CHAPTER 14 D/A CONVERTER ..........................................................................................................499
14.1
Functions ...............................................................................................................................499
14.2
Configuration .........................................................................................................................499
14.3
Registers ................................................................................................................................500
14.4
Operation................................................................................................................................502
14.4.1
Operation in normal mode ....................................................................................................... 502
14.4.2
Operation in real-time output mode ......................................................................................... 502
14.4.3
Cautions .................................................................................................................................. 503
CHAPTER 15 ASYNCHRONOUS SERIAL INTERFACE A (UARTA) ..............................................504
15.1
Mode Switching of UARTA and Other Serial Interfaces....................................................504
15.1.1
CSIB4 and UARTA0 mode switching ...................................................................................... 504
15.1.2
UARTA2 and I
2C00 mode switching ........................................................................................ 505
15.1.3
UARTA1 and I
2C02 mode switching ........................................................................................ 506
15.2
Features..................................................................................................................................507