User’s Manual U14359EJ4V0UM
15
6.13 Forcible Termination .............................................................................................................. 260
6.14 Times Related to DMA Transfer ............................................................................................ 261
6.15 Maximum Response Time for DMA Transfer Request ....................................................... 261
6.16 One-Time Transfer During Single Transfer via DMARQ0 to DMARQ3 Signals................ 262
6.17 Cautions .................................................................................................................................. 263
6.17.1
Interrupt factors.......................................................................................................................... 263
6.18 DMA Transfer End .................................................................................................................. 263
CHAPTER 7 INTERRUPT/EXCEPTION PROCESSING FUNCTION ............................................... 264
7.1
Features................................................................................................................................... 264
7.2
Non-Maskable Interrupts ....................................................................................................... 267
7.2.1
Operation ................................................................................................................................... 268
7.2.2
Restore ...................................................................................................................................... 270
7.2.3
Non-maskable interrupt status flag (NP) .................................................................................... 271
7.2.4
Noise elimination........................................................................................................................ 271
7.2.5
Edge detection function ............................................................................................................. 271
7.3
Maskable Interrupts................................................................................................................ 272
7.3.1
Operation ................................................................................................................................... 272
7.3.2
Restore ...................................................................................................................................... 274
7.3.3
Priorities of maskable interrupts................................................................................................. 275
7.3.4
Interrupt control register (xxICn) ................................................................................................ 279
7.3.5
Interrupt mask registers 0 to 3 (IMR0 to IMR3) .......................................................................... 282
7.3.6
In-service priority register (ISPR) ............................................................................................... 283
7.3.7
Maskable interrupt status flag (ID) ............................................................................................. 283
7.3.8
Noise elimination........................................................................................................................ 284
7.3.9
Interrupt trigger mode selection ................................................................................................. 284
7.4
Software Exception ................................................................................................................ 288
7.4.1
Operation ................................................................................................................................... 288
7.4.2
Restore ...................................................................................................................................... 289
7.4.3
Exception status flag (EP).......................................................................................................... 290
7.5
Exception Trap........................................................................................................................ 291
7.5.1
Illegal opcode definition ............................................................................................................. 291
7.5.2
Debug trap ................................................................................................................................. 293
7.6
Multiple Interrupt Servicing Control ..................................................................................... 295
7.7
Interrupt Latency Time........................................................................................................... 297
7.8
Periods in Which Interrupts Are Not Acknowledged.......................................................... 298
CHAPTER 8 PRESCALER UNIT (PRS) ............................................................................................ 299
CHAPTER 9 CLOCK GENERATION FUNCTION............................................................................. 300
9.1
Features................................................................................................................................... 300
9.2
Configuration .......................................................................................................................... 300
9.3
Input Clock Selection ............................................................................................................. 301
9.3.1
Direct mode ............................................................................................................................... 301