
Preliminary User’s Manual U16228EJ1V0UD
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18.3 Register Controlling Key Interrupt.......................................................................................... 389
CHAPTER 19 STANDBY FUNCTION................................................................................................... 390
19.1 Standby Function and Configuration ..................................................................................... 390
19.1.1
Standby function...........................................................................................................................390
19.1.2
Registers controlling standby function ..........................................................................................392
19.2 Standby Function Operation ................................................................................................... 394
19.2.1
HALT mode ..................................................................................................................................394
19.2.2
STOP mode..................................................................................................................................398
CHAPTER 20 RESET FUNCTION ........................................................................................................ 401
20.1 Register for Confirming Reset Source ................................................................................... 407
CHAPTER 21 CLOCK MONITOR......................................................................................................... 408
21.1 Functions of Clock Monitor ..................................................................................................... 408
21.2 Configuration of Clock Monitor............................................................................................... 408
21.3 Registers Controlling Clock Monitor ...................................................................................... 409
21.4 Operation of Clock Monitor ..................................................................................................... 410
CHAPTER 22 POWER-ON-CLEAR CIRCUIT ...................................................................................... 414
22.1 Functions of Power-on-Clear Circuit ...................................................................................... 414
22.2 Configuration of Power-on-Clear Circuit................................................................................ 415
22.3 Operation of Power-on-Clear Circuit ...................................................................................... 415
22.4 Cautions for Power-on-Clear Circuit ...................................................................................... 416
CHAPTER 23 LOW-VOLTAGE DETECTOR........................................................................................ 418
23.1 Functions of Low-Voltage Detector ........................................................................................ 418
23.2 Configuration of Low-Voltage Detector.................................................................................. 418
23.3 Registers Controlling Low-Voltage Detector ......................................................................... 419
23.4 Operation of Low-Voltage Detector ........................................................................................ 422
23.5 Cautions for Low-Voltage Detector ........................................................................................ 426
CHAPTER 24 REGULATOR.................................................................................................................. 430
24.1 Outline ....................................................................................................................................... 430
CHAPTER 25 MASK OPTIONS............................................................................................................ 431
CHAPTER 26 ROM CORRECTION ...................................................................................................... 432
26.1 Functions of ROM Correction ................................................................................................. 432
26.2 Configuration of ROM Correction ........................................................................................... 432
26.3 Register Controlling ROM Correction .................................................................................... 434
26.4 ROM Correction Application ................................................................................................... 435
26.5 ROM Correction Usage Example ............................................................................................ 438
26.6 Program Execution Flow ......................................................................................................... 439
26.7 Cautions for ROM Correction.................................................................................................. 441