User’s Manual U16896EJ2V0UD
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14.6 Dedicated Baud Rate Generator n (BRGn) ............................................................................ 424
14.6.1 Baud rate generator n (BRGn) configuration ............................................................................... 424
14.6.2 Serial
clock generation................................................................................................................. 425
14.6.3 Baud
rate
setting example ........................................................................................................... 428
14.6.4 Allowable baud rate range during reception................................................................................. 429
14.6.5 Transfer rate during continuous transmission .............................................................................. 431
14.7 Cautions .................................................................................................................................... 431
CHAPTER 15 CLOCKED SERIAL INTERFACE 0 (CSI0) ................................................................ 432
15.1 Features .................................................................................................................................... 432
15.2 Configuration............................................................................................................................ 433
15.3 Registers ................................................................................................................................... 436
15.4 Operation .................................................................................................................................. 445
15.4.1 Transmission/reception completion interrupt request signal (INTCSI0n) ..................................... 445
15.4.2 Single
transfer mode.................................................................................................................... 447
15.4.3 Continuous transfer mode............................................................................................................ 450
15.5 Output
Pins ............................................................................................................................... 458
CHAPTER 16 I
2
C BUS .......................................................................................................................... 459
16.1 Features .................................................................................................................................... 459
16.2 Configuration............................................................................................................................ 462
16.3 Registers ................................................................................................................................... 464
16.4 Functions .................................................................................................................................. 477
16.4.1 Pin
configuration .......................................................................................................................... 477
16.5 I
2
C Bus Definitions and Control Methods .............................................................................. 478
16.5.1 Start
condition.............................................................................................................................. 478
16.5.2 Addresses.................................................................................................................................... 479
16.5.3 Transfer
direction specification .................................................................................................... 479
16.5.4 ACK ............................................................................................................................................. 480
16.5.5 Stop
condition .............................................................................................................................. 481
16.5.6 Wait state..................................................................................................................................... 482
16.5.7 Wait state cancellation method...................................................................................................... 484
16.6 I
2
C Interrupt Request Signals (INTIIC0) .................................................................................. 485
16.6.1 Master
device operation............................................................................................................... 486
16.6.2 Slave device operation (when receiving slave address (match with address)) ............................ 489
16.6.3 Slave device operation (when receiving extension code) ............................................................ 493
16.6.4 Operation
without communication................................................................................................ 497
16.6.5 Arbitration loss operation (operation as slave after arbitration loss) ............................................ 497
16.6.6 Operation when arbitration loss occurs (no communication after arbitration loss) ....................... 499
16.7 Interrupt Request Signal (INTIIC0) Generation Timing and Wait Control........................... 506
16.8 Address Match Detection Method .......................................................................................... 507
16.9 Error
Detection ......................................................................................................................... 507
16.10 Extension Code ........................................................................................................................ 508
16.11 Arbitration ................................................................................................................................. 509
16.12 Wakeup Function ..................................................................................................................... 510
16.13 Communication Reservation .................................................................................................. 511
16.13.1 When communication reservation function is enabled (IICF0.IICRSV0 bit = 0) ........................... 511
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