
Preliminary User’s Manual U17790EJ1V0UD
14
15.3
Configuration ........................................................................................................................ 508
15.4
Registers ............................................................................................................................... 510
15.5
Interrupt Request Signals.................................................................................................... 516
15.6
Operation............................................................................................................................... 517
15.6.1
Data format ..............................................................................................................................517
15.6.2
SBF transmission/reception format ..........................................................................................519
15.6.3
SBF transmission.....................................................................................................................521
15.6.4
SBF reception ..........................................................................................................................522
15.6.5
UART transmission ..................................................................................................................523
15.6.6
Continuous transmission procedure.........................................................................................524
15.6.7
UART reception .......................................................................................................................526
15.6.8
Reception errors ......................................................................................................................527
15.6.9
Parity types and operations .....................................................................................................529
15.6.10 Receive data noise filter...........................................................................................................530
15.7
Dedicated Baud Rate Generator ......................................................................................... 531
15.8
Cautions ................................................................................................................................ 539
CHAPTER 16 3-WIRE VARIABLE-LENGTH SERIAL I/O (CSIB).................................................... 540
16.1
Mode Switching of CSIB and Other Serial Interfaces ....................................................... 540
16.1.1
CSIB4 and UARTA0 mode switching.......................................................................................540
16.1.2
CSIB0 and I
2C01 mode switching ............................................................................................541
16.2
Features................................................................................................................................. 541
16.3
Configuration ........................................................................................................................ 542
16.4
Registers ............................................................................................................................... 544
16.5
Operation............................................................................................................................... 550
16.5.1
Single transfer mode (master mode, transmission/reception mode) ........................................550
16.5.2
Single transfer mode (master mode, reception mode) ............................................................. 551
16.5.3
Continuous mode (master mode, transmission/reception mode) ............................................. 552
16.5.4
Continuous mode (master mode, reception mode) ..................................................................553
16.5.5
Continuous reception mode (error) ..........................................................................................554
16.5.6
Continuous mode (slave mode, transmission/reception mode)................................................ 555
16.5.7
Continuous mode (slave mode, reception mode).....................................................................556
16.5.8
Clock timing .............................................................................................................................557
16.6
Output Pins ........................................................................................................................... 559
16.7
Operation Flow...................................................................................................................... 560
16.8
Baud Rate Generator............................................................................................................ 566
16.8.1
Baud rate generation ...............................................................................................................567
16.9
Cautions ................................................................................................................................ 568
CHAPTER 17 I
2C BUS .......................................................................................................................... 569
17.1
Mode Switching of I
2C Bus and Other Serial Interfaces ................................................... 569
17.1.1
UARTA2 and I
2C00 mode switching.........................................................................................569
17.1.2
CSIB0 and I
2C01 mode switching ............................................................................................570
17.1.3
UARTA1 and I
2C02 mode switching.........................................................................................571
17.2
Features................................................................................................................................. 572
17.3
Configuration ........................................................................................................................ 573
17.4
Registers ............................................................................................................................... 577
17.5
I
2C Bus Mode Functions....................................................................................................... 593
17.5.1
Pin configuration ......................................................................................................................593