User’s Manual U19678EJ1V1UD
15
14.5 I
2C Bus Definitions and Control Methods .............................................................................. 782
14.5.1 Start conditions .............................................................................................................................782
14.5.2 Addresses .....................................................................................................................................783
14.5.3 Transfer direction specification .....................................................................................................783
14.5.4 Acknowledge (ACK) ......................................................................................................................784
14.5.5 Stop condition ...............................................................................................................................785
14.5.6 Wait...............................................................................................................................................786
14.5.7 Canceling wait...............................................................................................................................788
14.5.8 Interrupt request (INTIICA) generation timing and wait control .....................................................789
14.5.9 Address match detection method..................................................................................................790
14.5.10 Error detection ............................................................................................................................790
14.5.11 Extension code ...........................................................................................................................790
14.5.12 Arbitration....................................................................................................................................791
14.5.13 Wakeup function .........................................................................................................................793
14.5.14 Communication reservation ........................................................................................................796
14.5.15 Cautions......................................................................................................................................800
14.5.16 Communication operations .........................................................................................................801
14.5.17 Timing of I
2C interrupt request (INTIICA) occurrence ..................................................................809
14.6 Timing Charts ........................................................................................................................... 830
CHAPTER 15 MULTIPLIER/DIVIDER................................................................................................... 837
15.1 Functions of Multiplier/Divider .............................................................................................. 837
15.2 Configuration of Multiplier/Divider........................................................................................ 837
15.3 Register Controlling Multiplier/Divider ................................................................................. 842
15.4 Operations of Multiplier/Divider ............................................................................................ 843
15.4.1 Multiplication operation .................................................................................................................843
15.4.2 Division operation .........................................................................................................................844
CHAPTER 16 DMA CONTROLLER..................................................................................................... 846
16.1 Functions of DMA Controller .................................................................................................. 846
16.2 Configuration of DMA Controller............................................................................................ 847
16.3 Registers to Controlling DMA Controller............................................................................... 850
16.4 Operation of DMA Controller .................................................................................................. 853
16.4.1 Operation procedure .....................................................................................................................853
16.4.2 Transfer mode...............................................................................................................................854
16.4.3 Termination of DMA transfer .........................................................................................................854
16.5 Example of Setting of DMA Controller................................................................................... 855
16.5.1 CSI consecutive transmission .......................................................................................................855
16.5.2 Consecutive capturing of A/D conversion results..........................................................................857