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User’s Manual U16315EJ3V1UD
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CHAPTER 15 SERIAL INTERFACE CSI10 ........................................................................................ 313
15.1 Functions of Serial Interface CSI10........................................................................................ 313
15.2 Configuration of Serial Interface CSI10 ................................................................................. 313
15.3 Registers Controlling Serial Interface CSI10......................................................................... 315
15.4 Operation of Serial Interface CSI10 ........................................................................................ 318
15.4.1
Operation stop mode ....................................................................................................................318
15.4.2
3-wire serial I/O mode...................................................................................................................319
CHAPTER 16 INTERRUPT FUNCTIONS ............................................................................................ 327
16.1 Interrupt Function Types ......................................................................................................... 327
16.2 Interrupt Sources and Configuration ..................................................................................... 327
16.3 Registers Controlling Interrupt Functions............................................................................. 332
16.4 Interrupt Servicing Operations ............................................................................................... 338
16.4.1
Maskable interrupt request acknowledgment................................................................................338
16.4.2
Software interrupt request acknowledgment.................................................................................340
16.4.3
Multiple interrupt servicing ............................................................................................................341
16.4.4
Interrupt request hold....................................................................................................................344
CHAPTER 17 KEY INTERRUPT FUNCTION ..................................................................................... 345
17.1 Functions of Key Interrupt ...................................................................................................... 345
17.2 Configuration of Key Interrupt................................................................................................ 345
17.3 Register Controlling Key Interrupt ......................................................................................... 346
CHAPTER 18 STANDBY FUNCTION .................................................................................................. 347
18.1 Standby Function and Configuration..................................................................................... 347
18.1.1
Standby function ...........................................................................................................................347
18.1.2
Registers controlling standby function ..........................................................................................348
18.2 Standby Function Operation................................................................................................... 351
18.2.1
HALT mode...................................................................................................................................351
18.2.2
STOP mode ..................................................................................................................................356
CHAPTER 19 RESET FUNCTION........................................................................................................ 360
19.1 Register for Confirming Reset Source................................................................................... 366
CHAPTER 20 CLOCK MONITOR ........................................................................................................ 367
20.1 Functions of Clock Monitor..................................................................................................... 367
20.2 Configuration of Clock Monitor .............................................................................................. 367
20.3 Register Controlling Clock Monitor........................................................................................ 368
20.4 Operation of Clock Monitor..................................................................................................... 369
CHAPTER 21 POWER-ON-CLEAR CIRCUIT...................................................................................... 374
21.1 Functions of Power-on-Clear Circuit...................................................................................... 374
21.2 Configuration of Power-on-Clear Circuit ............................................................................... 375
21.3 Operation of Power-on-Clear Circuit...................................................................................... 375
21.4 Cautions for Power-on-Clear Circuit ...................................................................................... 376
CHAPTER 22 LOW-VOLTAGE DETECTOR ....................................................................................... 378