NEC 78K0/KD1 Series User Manual page 13

15.2 Configuration of Serial Interface CSI10 ..................................................................................311
15.3 Registers Controlling Serial Interface CSI10 .........................................................................313
15.4 Operation of Serial Interface CSI10.........................................................................................315
15.4.1 Operation stop mode ....................................................................................................................315
15.4.2 3-wire serial I/O mode ..................................................................................................................316
CHAPTER 16 INTERRUPT FUNCTIONS .............................................................................................324
16.1 Interrupt Function Types..........................................................................................................324
16.2 Interrupt Sources and Configuration ......................................................................................324
16.3 Registers Controlling Interrupt Functions .............................................................................327
16.4 Interrupt Servicing Operations ................................................................................................334
16.4.1 Maskable interrupt request acknowledgement .............................................................................334
16.4.2 Software interrupt request acknowledgement ..............................................................................336
16.4.3 Multiple interrupt servicing............................................................................................................337
16.4.4 Interrupt request hold ...................................................................................................................340
CHAPTER 17 KEY INTERRUPT FUNCTION ......................................................................................341
17.1 Functions of Key Interrupt .......................................................................................................341
17.2 Configuration of Key Interrupt.................................................................................................341
17.3 Register Controlling Key Interrupt ..........................................................................................342
CHAPTER 18 STANDBY FUNCTION ...................................................................................................343
18.1 Standby Function and Configuration......................................................................................343
18.1.1 Standby function...........................................................................................................................343
18.1.2 Registers controlling standby function ..........................................................................................345
18.2 Standby Function Operation....................................................................................................347
18.2.1 HALT mode ..................................................................................................................................347
18.2.2 STOP mode..................................................................................................................................351
CHAPTER 19 RESET FUNCTION ........................................................................................................354
19.1 Register for Confirming Reset Source....................................................................................359
CHAPTER 20 CLOCK MONITOR .........................................................................................................360
20.1 Functions of Clock Monitor .....................................................................................................360
20.2 Configuration of Clock Monitor ...............................................................................................360
20.3 Register Controlling Clock Monitor ........................................................................................361
20.4 Operation of Clock Monitor......................................................................................................362
CHAPTER 21 POWER-ON-CLEAR CIRCUIT ......................................................................................366
21.1 Functions of Power-on-Clear Circuit ......................................................................................366
21.2 Configuration of Power-on-Clear Circuit ................................................................................367
21.3 Operation of Power-on-Clear Circuit.......................................................................................367
21.4 Cautions for Power-on-Clear Circuit.......................................................................................368
CHAPTER 22 LOW-VOLTAGE DETECTOR ........................................................................................370
22.1 Functions of Low-Voltage Detector ........................................................................................370
22.2 Configuration of Low-Voltage Detector ..................................................................................370
22.3 Registers Controlling Low-Voltage Detector .........................................................................371
Preliminary User's Manual U16315EJ1V0UD
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