Renesas RL78 Series User Manual page 18

19.3.1 HALT mode .................................................................................................................................. 689
19.3.2 STOP mode .................................................................................................................................. 694
19.3.3 SNOOZE mode ............................................................................................................................ 699
CHAPTER 20 RESET FUNCTION ........................................................................................................ 702
20.1 Timing of Reset Operation ...................................................................................................... 704
20.2 States of Operation During Reset Periods............................................................................. 706
20.3 Register for Confirming Reset Source ................................................................................... 708
20.3.1 Reset control flag register (RESF) ................................................................................................ 708
CHAPTER 21 POWER-ON-RESET CIRCUIT ...................................................................................... 711
21.1 Functions of Power-on-reset Circuit ...................................................................................... 711
21.2 Configuration of Power-on-reset Circuit ................................................................................ 712
21.3 Operation of Power-on-reset Circuit ...................................................................................... 712
CHAPTER 22 VOLTAGE DETECTOR ................................................................................................. 716
22.1 Functions of Voltage Detector ................................................................................................ 716
22.2 Configuration of Voltage Detector .......................................................................................... 717
22.3 Registers Controlling Voltage Detector ................................................................................. 717
22.3.1 Voltage detection register (LVIM) ................................................................................................. 718
22.3.2 Voltage detection level register (LVIS) ......................................................................................... 719
22.4 Operation of Voltage Detector ................................................................................................ 722
22.4.1 When used as reset mode ............................................................................................................ 722
22.4.2 When used as interrupt mode ...................................................................................................... 724
22.4.3 When used as interrupt & reset mode .......................................................................................... 726
22.5 Cautions for Voltage Detector ................................................................................................. 732
CHAPTER 23 SAFETY FUNCTIONS ................................................................................................... 734
23.1 Overview of Safety Functions ................................................................................................. 734
23.2 Registers Used by Safety Functions ...................................................................................... 735
23.3 Operation of Safety Functions ................................................................................................ 735
23.3.1 Flash memory CRC operation function (high-speed CRC) ........................................................... 735
23.3.1.1 Flash memory CRC control register (CRC0CTL) .................................................................. 735
23.3.1.2 Flash memory CRC operation result register (PGCRCL) ...................................................... 737
23.3.2 CRC operation function (general-purpose CRC) .......................................................................... 739
23.3.2.1 CRC input register (CRCIN) .................................................................................................. 739
23.3.2.2 CRC data register (CRCD) ................................................................................................... 740
23.3.3 RAM parity error detection function .............................................................................................. 741
23.3.3.1 RAM parity error control register (RPECTL) ......................................................................... 741
23.3.4 RAM guard function ...................................................................................................................... 743
23.3.4.1 Invalid memory access detection control register (IAWCTL) ................................................ 743
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Index-