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User’s Manual U17446EJ5V0UD
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CHAPTER 12 MULTIPLIER .................................................................................................................. 220
12.1 Multiplier Function ................................................................................................................... 220
12.2 Multiplier Configuration........................................................................................................... 220
12.3 Multiplier Control Register ...................................................................................................... 222
12.4 Multiplier Operation ................................................................................................................. 223
CHAPTER 13 INTERRUPT FUNCTIONS ............................................................................................ 225
13.1 Interrupt Function Types ......................................................................................................... 225
13.2 Interrupt Sources and Configuration ..................................................................................... 226
13.3 Interrupt Function Control Registers ..................................................................................... 228
13.4 Interrupt Servicing Operation ................................................................................................. 233
13.4.1 Maskable interrupt request acknowledgment operation ................................................................ 233
13.4.2 Multiple interrupt servicing............................................................................................................. 235
13.4.3 Interrupt request pending .............................................................................................................. 237
CHAPTER 14 STANDBY FUNCTION.................................................................................................. 238
14.1 Standby Function and Configuration..................................................................................... 238
14.1.1 Standby function ........................................................................................................................... 238
14.1.2 Registers used during standby...................................................................................................... 240
14.2 Standby Function Operation................................................................................................... 241
14.2.1 HALT mode ................................................................................................................................... 241
14.2.2 STOP mode .................................................................................................................................. 244
CHAPTER 15 RESET FUNCTION ....................................................................................................... 248
15.1 Register for Confirming Reset Source................................................................................... 255
CHAPTER 16 POWER-ON-CLEAR CIRCUIT ..................................................................................... 256
16.1 Functions of Power-on-Clear Circuit ..................................................................................... 256
16.2 Configuration of Power-on-Clear Circuit ............................................................................... 257
16.3 Operation of Power-on-Clear Circuit...................................................................................... 257
16.4 Cautions for Power-on-Clear Circuit ...................................................................................... 258
CHAPTER 17 LOW-VOLTAGE DETECTOR ....................................................................................... 260
17.1 Functions of Low-Voltage Detector........................................................................................ 260
17.2 Configuration of Low-Voltage Detector ................................................................................. 260
17.3 Registers Controlling Low-Voltage Detector......................................................................... 261
17.4 Operation of Low-Voltage Detector ........................................................................................ 263
17.5 Cautions for Low-Voltage Detector ........................................................................................ 266
CHAPTER 18 OPTION BYTE ............................................................................................................... 269
18.1 Functions of Option Byte ........................................................................................................ 269
18.2 Format of Option Byte ............................................................................................................. 270
18.3 Caution When the RESET Pin Is Used as an Input-Only Port Pin (P34) ............................. 271
CHAPTER 19 FLASH MEMORY.......................................................................................................... 272
19.1 Features..................................................................................................................................... 272
19.2 Memory Configuration ............................................................................................................. 273