![](http://datasheet.mmic.net.cn/390000/PD784976A_datasheet_16826985/PD784976A_14.png)
14
User’s Manual U15017EJ2V0UD
16.4.1
16.4.2
BRK instruction software interrupt acknowledgment operation .......................................... 253
BRKCS instruction software interrupt (software context switching)
acknowledgment operation ................................................................................................... 253
Operand Error Interrupt Acknowledgment Operation................................................. 254
Non-Maskable Interrupt Acknowledgment Operation ................................................. 254
Maskable Interrupt Acknowledgment Operation ......................................................... 257
16.7.1
Vectored interrupt .................................................................................................................. 259
16.7.2
Context switching .................................................................................................................. 259
16.7.3
Maskable interrupt priority levels .......................................................................................... 261
Macro Service Function .................................................................................................. 267
16.8.1
Outline of macro service function ......................................................................................... 267
16.8.2
Types of macro service ......................................................................................................... 267
16.8.3
Basic macro service operation.............................................................................................. 270
16.8.4
Operation at end of macro service ....................................................................................... 271
16.8.5
Macro service control registers............................................................................................. 274
16.8.6
Macro service type A ............................................................................................................. 276
16.8.7
Macro service type B............................................................................................................. 279
16.8.8
Macro service type C ............................................................................................................ 283
16.8.9
Counter mode ........................................................................................................................ 288
When Interrupt Requests and Macro Service Are Temporarily Held Pending ........ 290
16.10 Instructions Whose Execution Is Temporarily Suspended
by an Interrupt or Macro Service ................................................................................... 290
16.11 Interrupt and Macro Service Operation Timing ........................................................... 291
16.11.1 Interrupt acknowledge processing time................................................................................ 292
16.11.2 Processing time of macro service......................................................................................... 293
16.12 Restoring Interrupt Function to Initial State ................................................................ 294
16.13 Cautions............................................................................................................................. 295
16.5
16.6
16.7
16.8
16.9
CHAPTER 17 STANDBY FUNCTION ................................................................................................. 297
17.1
Configuration and Function............................................................................................ 297
17.2
Control Registers ............................................................................................................. 298
17.2.1
Standby control register (STBC)........................................................................................... 298
17.2.2
Oscillation stabilization time specification register (OSTS) ................................................. 300
17.3
HALT Mode ....................................................................................................................... 302
17.3.1
HALT mode setting and operating states ............................................................................. 302
17.3.2
HALT mode release ............................................................................................................... 302
17.4
STOP Mode........................................................................................................................ 310
17.4.1
STOP mode setting and operating states ............................................................................ 310
17.4.2
STOP mode release .............................................................................................................. 312
17.5
IDLE Mode ......................................................................................................................... 317
17.5.1
IDLE mode setting and operating states .............................................................................. 317
17.5.2
IDLE mode release................................................................................................................ 318
17.6
Check Items When STOP Mode/IDLE Mode Is Used ................................................... 323
17.7
Cautions............................................................................................................................. 324
CHAPTER 18 RESET FUNCTION ...................................................................................................... 325