
User’s Manual U17790EJ2V0UD
13
15.3
Configuration .........................................................................................................................507
15.4
Registers ................................................................................................................................509
15.5
Interrupt Request Signals.....................................................................................................515
15.6
Operation................................................................................................................................516
15.6.1
Data format.............................................................................................................................. 516
15.6.2
SBF transmission/reception format.......................................................................................... 518
15.6.3
SBF transmission .................................................................................................................... 520
15.6.4
SBF reception.......................................................................................................................... 521
15.6.5
UART transmission.................................................................................................................. 522
15.6.6
Continuous transmission procedure ........................................................................................ 523
15.6.7
UART reception ....................................................................................................................... 525
15.6.8
Reception errors ...................................................................................................................... 526
15.6.9
Parity types and operations ..................................................................................................... 528
15.6.10 Receive data noise filter .......................................................................................................... 529
15.7
Dedicated Baud Rate Generator ..........................................................................................530
15.8
Cautions .................................................................................................................................538
CHAPTER 16 3-WIRE VARIABLE-LENGTH SERIAL I/O (CSIB) ....................................................539
16.1
Mode Switching of CSIB and Other Serial Interfaces........................................................539
16.1.1
CSIB4 and UARTA0 mode switching ...................................................................................... 539
16.1.2
CSIB0 and I
2C01 mode switching ............................................................................................ 540
16.2
Features..................................................................................................................................540
16.3
Configuration .........................................................................................................................541
16.4
Registers ................................................................................................................................543
16.5
Operation................................................................................................................................549
16.5.1
Single transfer mode (master mode, transmission/reception mode)........................................ 549
16.5.2
Single transfer mode (master mode, reception mode)............................................................. 550
16.5.3
Continuous mode (master mode, transmission/reception mode)............................................. 551
16.5.4
Continuous mode (master mode, reception mode).................................................................. 552
16.5.5
Continuous reception mode (error) .......................................................................................... 553
16.5.6
Continuous mode (slave mode, transmission/reception mode) ............................................... 554
16.5.7
Continuous mode (slave mode, reception mode) .................................................................... 555
16.5.8
Clock timing ............................................................................................................................. 556
16.6
Output Pins ............................................................................................................................558
16.7
Operation Flow ......................................................................................................................559
16.8
Baud Rate Generator ............................................................................................................565
16.8.1
Baud rate generation ............................................................................................................... 566
16.9
Cautions .................................................................................................................................567
CHAPTER 17 I
2C BUS...........................................................................................................................568
17.1
Mode Switching of I
2C Bus and Other Serial Interfaces ....................................................568
17.1.1
UARTA2 and I
2C00 mode switching ........................................................................................ 568
17.1.2
CSIB0 and I
2C01 mode switching ............................................................................................ 569
17.1.3
UARTA1 and I
2C02 mode switching ........................................................................................ 570
17.2
Features..................................................................................................................................571
17.3
Configuration .........................................................................................................................572
17.4
Registers ................................................................................................................................576
17.5
I
2C Bus Mode Functions .......................................................................................................592
17.5.1
Pin configuration...................................................................................................................... 592