Datasheet

17.7.4 Operation without communication............................................................................................577
17.7.5 Arbitration loss operation (operation as slave after arbitration loss).........................................577
17.7.6 Operation when arbitration loss occurs (no communication after arbitration loss) ...................579
17.8 Interrupt Request Signal (INTIICn) Generation Timing and Wait Control....................... 586
17.9 Address Match Detection Method ...................................................................................... 588
17.10 Error Detection...................................................................................................................... 588
17.11 Extension Code..................................................................................................................... 588
17.12 Arbitration ............................................................................................................................. 589
17.13 Wakeup Function.................................................................................................................. 590
17.14 Communication Reservation............................................................................................... 591
17.14.1 When communication reservation function is enabled (IICFn.IICRSVn bit = 0) .......................591
17.14.2 When communication reservation function is disabled (IICFn.IICRSVn bit = 1).......................595
17.15 Cautions ................................................................................................................................ 596
17.16 Communication Operations................................................................................................. 597
17.16.1 Master operation in single master system................................................................................598
17.16.2 Master operation in multimaster system ..................................................................................599
17.16.3 Slave operation ........................................................................................................................602
17.17 Timing of Data Communication .......................................................................................... 605
CHAPTER 18 DMA FUNCTION (DMA CONTROLLER) ................................................................... 612
18.1 Features................................................................................................................................. 612
18.2 Configuration ........................................................................................................................ 613
18.3 Registers ............................................................................................................................... 614
18.4 Transfer Targets ................................................................................................................... 621
18.5 Transfer Modes..................................................................................................................... 622
18.6 Transfer Types...................................................................................................................... 622
18.7 DMA Channel Priorities........................................................................................................ 623
18.8 Time Related to DMA Transfer ............................................................................................ 623
18.9 DMA Transfer Start Factors................................................................................................. 624
18.10 DMA Abort Factors ............................................................................................................... 625
18.11 End of DMA Transfer............................................................................................................ 625
18.12 Operation Timing .................................................................................................................. 625
18.13 Cautions ................................................................................................................................ 630
CHAPTER 19 INTERRUPT/EXCEPTION PROCESSING FUNCTION............................................... 635
19.1 Features................................................................................................................................. 635
19.2 Non-Maskable Interrupts ..................................................................................................... 639
19.2.1 Operation .................................................................................................................................641
19.2.2 Restore ....................................................................................................................................642
19.2.3 NP flag .....................................................................................................................................643
19.3 Maskable Interrupts.............................................................................................................. 644
19.3.1 Operation .................................................................................................................................644
19.3.2 Restore ....................................................................................................................................646
19.3.3 Priorities of maskable interrupts...............................................................................................647
19.3.4 Interrupt control register (xxICn) ..............................................................................................651
19.3.5 Interrupt mask registers 0 to 3 (IMR0 to IMR3)........................................................................653
19.3.6 In-service priority register (ISPR).............................................................................................655
19.3.7 ID flag ......................................................................................................................................656
19.3.8 Watchdog timer mode register 2 (WDTM2) .............................................................................656
19.4 Software Exception .............................................................................................................. 657