
Preliminary User’s Manual U19291EJ1V0UD
13
12.1.3 Simplified I
2C (IIC10) .....................................................................................................................380
12.2 Configuration of Serial Array Unit .......................................................................................... 381
12.3 Registers Controlling Serial Array Unit ................................................................................. 385
12.4 Operation stop mode ............................................................................................................... 407
12.4.1 Stopping the operation by units.....................................................................................................407
12.4.2 Stopping the operation by channels ..............................................................................................408
12.5 Operation of 3-Wire Serial I/O (CSI00, CSI01, CSI10) Communication ............................... 409
12.5.1 Master transmission ......................................................................................................................410
12.5.2 Master reception ...........................................................................................................................419
12.5.3 Master transmission/reception ......................................................................................................425
12.5.4 Slave transmission ........................................................................................................................433
12.5.5 Slave reception .............................................................................................................................442
12.5.6 Slave transmission/reception ........................................................................................................448
12.5.7 Calculating transfer clock frequency .............................................................................................457
12.6 Operation of UART (UART0, UART1) Communication ......................................................... 459
12.6.1 UART transmission .......................................................................................................................460
12.6.2 UART reception ............................................................................................................................470
12.6.3 LIN transmission ...........................................................................................................................477
12.6.4 LIN reception.................................................................................................................................480
12.6.5 Calculating baud rate ....................................................................................................................485
12.7 Operation of Simplified I
2C (IIC10) Communication.............................................................. 489
12.7.1 Address field transmission ............................................................................................................490
12.7.2 Data transmission .........................................................................................................................495
12.7.3 Data reception...............................................................................................................................498
12.7.4 Stop condition generation .............................................................................................................502
12.7.5 Calculating transfer rate ................................................................................................................503
12.8 Processing Procedure in Case of Error................................................................................. 505
12.9 Relationship Between Register Settings and Pins ............................................................... 507
CHAPTER 13 SERIAL INTERFACE IICA........................................................................................... 511
13.1 Functions of Serial Interface IICA .......................................................................................... 511
13.2 Configuration of Serial Interface IICA .................................................................................... 514
13.3 Registers Controlling Serial Interface IICA ........................................................................... 517
13.4 I
2C Bus Mode Functions .......................................................................................................... 530
13.4.1 Pin configuration ...........................................................................................................................530
13.5 I
2C Bus Definitions and Control Methods .............................................................................. 531
13.5.1 Start conditions .............................................................................................................................531
13.5.2 Addresses .....................................................................................................................................532
13.5.3 Transfer direction specification .....................................................................................................532
13.5.4 Acknowledge (ACK) ......................................................................................................................533
13.5.5 Stop condition ...............................................................................................................................534