Index-8
12.6.3 SNOOZE mode function............................................................................................................... 658
12.6.4 Calculating baud rate ................................................................................................................... 663
12.6.5 Procedure for processing errors that occurred during UART (UART0 to UART3) communication667
12.7 LIN Communication Operation ............................................................................................... 668
12.7.1 LIN transmission........................................................................................................................... 668
12.7.2 LIN reception ................................................................................................................................ 671
12.8 Operation of Simplified I
2C (IIC00, IIC01, IIC10, IIC11, IIC20, IIC21, IIC30, IIC31)
Communication ....................................................................................................................... 677
12.8.1 Address field transmission............................................................................................................ 680
12.8.2 Data transmission......................................................................................................................... 686
12.8.3 Data reception .............................................................................................................................. 690
12.8.4 Stop condition generation............................................................................................................. 695
12.8.5 Calculating transfer rate ............................................................................................................... 696
12.8.6 Procedure for processing errors that occurred during simplified I
2C (IIC00, IIC01, IIC10, IIC11,
IIC20, IIC21, IIC30, IIC31) communication .................................................................................. 698
CHAPTER 13 SERIAL INTERFACE IICA ........................................................................................... 699
13.1 Functions of Serial Interface IICA........................................................................................... 699
13.2 Configuration of Serial Interface IICA .................................................................................... 702
13.3 Registers Controlling Serial Interface IICA............................................................................ 705
13.4 I
2C Bus Mode Functions........................................................................................................... 719
13.4.1 Pin configuration........................................................................................................................... 719
13.4.2 Setting transfer clock by using IICWL0 and IICWH0 registers...................................................... 720
13.5 I
2C Bus Definitions and Control Methods .............................................................................. 722
13.5.1 Start conditions............................................................................................................................. 722
13.5.2 Addresses .................................................................................................................................... 723
13.5.3 Transfer direction specification..................................................................................................... 723
13.5.4 Acknowledge (ACK) ..................................................................................................................... 724
13.5.5 Stop condition............................................................................................................................... 725
13.5.6 Wait .............................................................................................................................................. 726
13.5.7 Canceling wait .............................................................................................................................. 728
13.5.8 Interrupt request (INTIICA0) generation timing and wait control................................................... 729
13.5.9 Address match detection method ................................................................................................. 730
13.5.10 Error detection............................................................................................................................ 730
13.5.11 Extension code........................................................................................................................... 730
13.5.12 Arbitration ................................................................................................................................... 731
13.5.13 Wakeup function......................................................................................................................... 733
13.5.14 Communication reservation........................................................................................................ 736
13.5.15 Cautions ..................................................................................................................................... 740
13.5.16 Communication operations......................................................................................................... 741
13.5.17 Timing of I
2C interrupt request (INTIICA0) occurrence ............................................................... 748