Renesas RL78/G10 - Page 13

Index-8
12.5.5 Slave reception ............................................................................................................................. 345
12.5.6 Slave transmission/reception ........................................................................................................ 352
12.5.7 Calculating transfer clock frequency ............................................................................................. 362
12.5.8 Procedure for processing errors that occurred during 3-wire serial I/O (CSI00, CSI01)
communication ............................................................................................................................. 364
12.6 Operation of UART (UART0) Communication ....................................................................... 365
12.6.1 UART transmission ...................................................................................................................... 366
12.6.2 UART reception ............................................................................................................................ 376
12.6.3 Calculating baud rate ................................................................................................................... 383
12.6.4 Procedure for processing errors that occurred during UART (UART0) communication ............... 387
12.7 Operation of Simplified I
2
C (IIC00) Communication ............................................................. 388
12.7.1 Address field transmission............................................................................................................ 389
12.7.2 Data transmission ......................................................................................................................... 395
12.7.3 Data reception .............................................................................................................................. 399
12.7.4 Stop condition generation ............................................................................................................. 404
12.7.5 Calculating transfer rate ............................................................................................................... 405
12.7.6 Procedure for processing errors that occurred during simplified I
2
C (IIC00) communication ........ 407
CHAPTER 13 SERIAL INTERFACE IICA ........................................................................................... 408
13.1 Functions of Serial Interface IICA ........................................................................................... 408
13.2 Configuration of Serial Interface IICA .................................................................................... 411
13.3 Registers Controlling Serial Interface IICA ............................................................................ 414
13.3.1 Peripheral enable register 0 (PER0) ............................................................................................. 415
13.3.2 IICA control register 00 (IICCTL00) .............................................................................................. 415
13.3.3 IICA status register 0 (IICS0) ........................................................................................................ 420
13.3.4 IICA flag register 0 (IICF0)............................................................................................................ 422
13.3.5 IICA control register 01 (IICCTL01) .............................................................................................. 424
13.3.6 IICA low-level width setting register 0 (IICWL0) ........................................................................... 426
13.3.7 IICA high-level width setting register 0 (IICWH0) ......................................................................... 426
13.3.8 Registers controlling port functions of IICA serial input/output pins .............................................. 427
13.4 I
2
C Bus Mode Functions .......................................................................................................... 428
13.4.1 Pin configuration ........................................................................................................................... 428
13.4.2 Setting transfer clock by using IICWL0 and IICWH0 registers...................................................... 429
13.5 I
2
C Bus Definitions and Control Methods .............................................................................. 430
13.5.1 Start conditions ............................................................................................................................. 430
13.5.2 Addresses .................................................................................................................................... 431
13.5.3 Transfer direction specification ..................................................................................................... 431
13.5.4 Acknowledge (ACK) ..................................................................................................................... 432
13.5.5 Stop condition ............................................................................................................................... 433
13.5.6 Wait .............................................................................................................................................. 434
13.5.7 Canceling wait .............................................................................................................................. 436