UPD78F1502AGK-GAK-AX Datasheet, PDF (12/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

14.5.7 Calculating transfer clock frequency............................................................................................ 520
14.6 Operation of UART (UART0, UART1, UART2, UART3) Communication ............................. 522
14.6.1 UART transmission ..................................................................................................................... 523
14.6.2 UART reception........................................................................................................................... 533
14.6.3 LIN transmission.......................................................................................................................... 540
14.6.4 LIN reception............................................................................................................................... 543
14.6.5 Calculating baud rate .................................................................................................................. 548
14.7 Operation of Simplified I²C (IIC10, IIC20) Communication ................................................... 552
14.7.1 Address field transmission .......................................................................................................... 553
14.7.2 Data transmission........................................................................................................................ 558
14.7.3 Data reception ............................................................................................................................. 561
14.7.4 Stop condition generation............................................................................................................ 565
14.7.5 Calculating transfer rate .............................................................................................................. 566
14.8 Processing Procedure in Case of Error ................................................................................. 569
14.9 Relationship Between Register Settings and Pins ............................................................... 571
CHAPTER 15 SERIAL INTERFACE IICA ........................................................................................... 578
15.1 Functions of Serial Interface IICA........................................................................................... 578
15.2 Configuration of Serial Interface IICA .................................................................................... 581
15.3 Registers Controlling Serial Interface IICA............................................................................ 584
15.4 I²C Bus Mode Functions........................................................................................................... 596
15.4.1 Pin configuration ......................................................................................................................... 596
15.4.2 Setting transfer clock by using IICWL and IICWH registers ........................................................ 597
15.5 I²C Bus Definitions and Control Methods .............................................................................. 598
15.5.1 Start conditions ........................................................................................................................... 598
15.5.2 Addresses ................................................................................................................................... 599
15.5.3 Transfer direction specification.................................................................................................... 599
15.5.4 Acknowledge (ACK) .................................................................................................................... 600
15.5.5 Stop condition ............................................................................................................................. 601
15.5.6 Wait ............................................................................................................................................. 602
15.5.7 Canceling wait ............................................................................................................................. 604
15.5.8 Interrupt request (INTIICA) generation timing and wait control ................................................... 605
15.5.9 Address match detection method ................................................................................................ 606
15.5.10 Error detection........................................................................................................................... 606
15.5.11 Extension code.......................................................................................................................... 606
15.5.12 Arbitration.................................................................................................................................. 607
15.5.13 Wakeup function........................................................................................................................ 609
15.5.14 Communication reservation....................................................................................................... 612
15.5.15 Cautions .................................................................................................................................... 616
15.5.16 Communication operations........................................................................................................ 617
15.5.17 Timing of I²C interrupt request (INTIICA) occurrence ................................................................ 625
15.6 Timing Charts ........................................................................................................................... 646
CHAPTER 16 LCD CONTROLLER/DRIVER ....................................................................................... 661
16.1 Functions of LCD Controller/Driver........................................................................................ 661
16.2 Configuration of LCD Controller/Driver ................................................................................. 665
16.3 Registers Controlling LCD Controller/Driver......................................................................... 667
16.4 LCD Display Data Memory....................................................................................................... 675
16.5 Setting LCD Controller/Driver ................................................................................................. 678