Renesas RL78/G1P Hardware User Manual page 16

15.3.3 Priority specification flag registers (PR00L, PR00H, PR01L, PR10L, PR10H, PR11L) ................ 581
15.3.4 External interrupt rising edge enable register (EGP0),
external interrupt falling edge enable register (EGN0) ................................................................. 582
15.3.5 Program status word (PSW) ......................................................................................................... 583
15.4 Interrupt Servicing Operations ............................................................................................... 584
15.4.1 Maskable interrupt request acknowledgment ............................................................................... 584
15.4.2 Software interrupt request acknowledgment ................................................................................ 587
15.4.3 Multiple interrupt servicing ............................................................................................................ 587
15.4.4 Interrupt request hold ................................................................................................................... 591
CHAPTER 16 STANDBY FUNCTION .................................................................................................. 592
16.1 Standby Function ..................................................................................................................... 592
16.2 Registers Controlling Standby Function ............................................................................... 593
16.2.1 Oscillation stabilization time counter status register (OSTC) ....................................................... 594
16.2.2 Oscillation stabilization time select register (OSTS) .................................................................... 595
16.3 Standby Function Operation ................................................................................................... 596
16.3.1 HALT mode .................................................................................................................................. 596
16.3.2 STOP mode .................................................................................................................................. 600
16.3.3 SNOOZE mode ............................................................................................................................ 605
CHAPTER 17 RESET FUNCTION ........................................................................................................ 608
17.1 Timing of Reset Operation ...................................................................................................... 610
17.2 Register for Confirming Reset Source ................................................................................... 616
17.2.1 Reset control flag register (RESF) ................................................................................................ 616
CHAPTER 18 POWER-ON-RESET CIRCUIT ...................................................................................... 619
18.1 Functions of Power-on-reset Circuit ...................................................................................... 619
18.2 Configuration of Power-on-reset Circuit ................................................................................ 620
18.3 Operation of Power-on-reset Circuit ...................................................................................... 620
18.4 Cautions for Power-on-reset Circuit ....................................................................................... 624
CHAPTER 19 VOLTAGE DETECTOR ................................................................................................. 626
19.1 Functions of Voltage Detector ................................................................................................ 626
19.2 Configuration of Voltage Detector .......................................................................................... 627
19.3 Registers Controlling Voltage Detector ................................................................................. 627
19.3.1 Voltage detection register (LVIM) ................................................................................................. 628
19.3.2 Voltage detection level register (LVIS) ......................................................................................... 629
19.4 Operation of Voltage Detector ................................................................................................ 631
19.4.1 When used as reset mode ............................................................................................................ 631
19.4.2 When used as interrupt mode ...................................................................................................... 633
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