Renesas RL78/G1H User Manual

Index - 10
20.2 Registers controlling standby function .................................................................................. 732
20.3 Standby Function Operation ................................................................................................. 733
20.3.1 HALT mode ....................................................................................................................... 733
20.3.2 STOP mode ...................................................................................................................... 738
20.3.3 SNOOZE mode ................................................................................................................ 743
21. RESET FUNCTION .................................................................................................................... 746
21.1 Timing of Reset Operation .................................................................................................... 748
21.2 Register for Confirming Reset Source .................................................................................. 752
21.2.1 Reset control flag register (RESF) .................................................................................... 752
22. POWER-ON-RESET CIRCUIT ................................................................................................... 755
22.1 Functions of Power-on-reset Circuit ..................................................................................... 755
22.2 Configuration of Power-on-reset Circuit ................................................................................ 756
22.3 Operation of Power-on-reset Circuit ..................................................................................... 756
23. VOLTAGE DETECTOR ............................................................................................................... 760
23.1 Functions of Voltage Detector ............................................................................................... 760
23.2 Configuration of Voltage Detector ......................................................................................... 761
23.3 Registers Controlling Voltage Detector ................................................................................. 761
23.3.1 Voltage detection register (LVIM) ...................................................................................... 762
23.3.2 Voltage detection level register (LVIS) .............................................................................. 763
23.4 Operation of Voltage Detector .............................................................................................. 764
23.4.1 When used as reset mode ................................................................................................ 764
23.4.2 When used as interrupt mode .......................................................................................... 766
23.4.3 When used as interrupt and reset mode .......................................................................... 768
23.5 Cautions for Voltage Detector ............................................................................................... 773
24. SAFETY FUNCTIONS ................................................................................................................ 775
24.1 Overview of Safety Functions ............................................................................................... 775
24.2 Registers Used by Safety Functions .................................................................................... 776
24.3 Operation of Safety Functions .............................................................................................. 776
24.3.1 Flash memory CRC operation function (high-speed CRC) .............................................. 776
24.3.2 CRC operation function (general-purpose CRC) .............................................................. 780
24.3.3 RAM parity error detection function ................................................................................. 783
24.3.4 RAM guard function .......................................................................................................... 785
24.3.5 SFR guard function ........................................................................................................... 786
24.3.6 Invalid memory access detection function ........................................................................ 787
24.3.7 Frequency detection function ........................................................................................... 789
24.3.8 A/D test function ............................................................................................................... 791
24.3.9 Digital output signal level detection function for I/O pins .................................................. 795
25. REGULATOR .............................................................................................................................. 796
25.1 Regulator Overview .............................................................................................................. 796
26. OPTION BYTE ............................................................................................................................ 797
26.1 Functions of Option Bytes .................................................................................................
... 797
26.1.1 User option byte (000C0H to 000C2H/010C0H to 010C2H) ............................................ 797

Renesas RL78/G1H Specifications

General

Brand	Renesas
Model	RL78/G1H
Category	Microcontrollers
Language	English