UPD78F9500MA-CAC-A Datasheet, PDF (13/342 Pages) Renesas Technology Corp – 8-Bit Single-Chip Microcontrollers

10.4.3 Interrupt request pending .............................................................................................................. 185
CHAPTER 11 STANDBY FUNCTION..................................................................................................186
11.1 Standby Function and Configuration .....................................................................................186
11.1.1 Standby function ........................................................................................................................... 186
11.1.2 Registers used during standby (μPD78F920x only) ...................................................................... 188
11.2 Standby Function Operation ...................................................................................................189
11.2.1 HALT mode ................................................................................................................................... 189
11.2.2 STOP mode .................................................................................................................................. 192
CHAPTER 12 RESET FUNCTION .......................................................................................................196
12.1 Register for Confirming Reset Source...................................................................................203
CHAPTER 13 POWER-ON-CLEAR CIRCUIT .....................................................................................204
13.1 Functions of Power-on-Clear Circuit .....................................................................................204
13.2 Configuration of Power-on-Clear Circuit ...............................................................................205
13.3 Operation of Power-on-Clear Circuit......................................................................................205
13.4 Cautions for Power-on-Clear Circuit ......................................................................................206
CHAPTER 14 LOW-VOLTAGE DETECTOR.......................................................................................208
14.1 Functions of Low-Voltage Detector........................................................................................208
14.2 Configuration of Low-Voltage Detector .................................................................................208
14.3 Registers Controlling Low-Voltage Detector.........................................................................209
14.4 Operation of Low-Voltage Detector........................................................................................211
14.5 Cautions for Low-Voltage Detector ........................................................................................ 215
CHAPTER 15 OPTION BYTE ...............................................................................................................218
15.1 Functions of Option Byte ........................................................................................................218
15.1.1 μPD78F920x ................................................................................................................................. 218
15.1.2 μPD78F950x ................................................................................................................................. 219
15.2 Format of Option Byte .............................................................................................................220
15.2.1 μPD78F920x ................................................................................................................................. 220
15.2.2 μPD78F950x ................................................................................................................................. 222
15.3 Caution When the RESET Pin Is Used as an Input-Only Port Pin (P34) .............................223
CHAPTER 16 FLASH MEMORY..........................................................................................................224
16.1 Features.....................................................................................................................................224
16.2 Memory Configuration .............................................................................................................225
16.3 Functional Outline ....................................................................................................................225
16.4 Writing with Flash Memory Programmer ...............................................................................226
16.5 Programming Environment .....................................................................................................227
16.6 Processing of Pins on Board ..................................................................................................229
16.6.1 X1 and X2 pins (μPD78F920x)...................................................................................................... 229
16.6.2 EXCLK pin (μPD78F950x) ............................................................................................................ 230
User’s Manual U18172EJ3V0UD
11