Datasheet

Rev. 2.00 Sep. 28, 2009 Page xxxii of xl
REJ09B0452-0200
15.3.9 Bit Rate Register (BRR) ....................................................................................... 419
15.4 Operation in Asynchronous Mode ..................................................................................... 424
15.4.1 Data Transfer Format............................................................................................ 425
15.4.2 Receive Data Sampling Timing and Reception Margin in
Asynchronous Mode............................................................................................. 426
15.4.3 Clock..................................................................................................................... 427
15.4.4 SCI Initialization (Asynchronous Mode).............................................................. 428
15.4.5 Serial Data Transmission (Asynchronous Mode) ................................................. 429
15.4.6 Serial Data Reception (Asynchronous Mode) ...................................................... 431
15.5 Multiprocessor Communication Function.......................................................................... 435
15.5.1 Multiprocessor Serial Data Transmission ............................................................. 437
15.5.2 Multiprocessor Serial Data Reception .................................................................. 438
15.6 Operation in Clocked Synchronous Mode ......................................................................... 441
15.6.1 Clock..................................................................................................................... 441
15.6.2 SCI Initialization (Clocked Synchronous Mode).................................................. 442
15.6.3 Serial Data Transmission (Clocked Synchronous Mode) ..................................... 443
15.6.4 Serial Data Reception (Clocked Synchronous Mode) .......................................... 445
15.6.5 Simultaneous Serial Data Transmission and Reception
(Clocked Synchronous Mode) .............................................................................. 447
15.7 Smart Card Interface Description ...................................................................................... 449
15.7.1 Sample Connection ............................................................................................... 449
15.7.2 Data Format (Except in Block Transfer Mode) .................................................... 450
15.7.3 Block Transfer Mode............................................................................................ 451
15.7.4 Receive Data Sampling Timing and Reception Margin ....................................... 452
15.7.5 Initialization.......................................................................................................... 453
15.7.6 Serial Data Transmission (Except in Block Transfer Mode) ................................ 453
15.7.7 Serial Data Reception (Except in Block Transfer Mode) ..................................... 456
15.7.8 Clock Output Control............................................................................................ 458
15.8 Interrupt Sources................................................................................................................ 460
15.8.1 Interrupts in Normal Serial Communication Interface Mode ............................... 460
15.8.2 Interrupts in Smart Card Interface Mode .............................................................. 461
15.9 Usage Notes ....................................................................................................................... 462
15.9.1 Module Stop Mode Setting ................................................................................... 462
15.9.2 Break Detection and Processing ........................................................................... 462
15.9.3 Mark State and Break Sending ............................................................................. 462
15.9.4 Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only) ..................................................................... 462
15.9.5 Relation between Writing to TDR and TDRE Flag .............................................. 462
15.9.6 SCI Operations during Mode Transitions ............................................................. 463
15.9.7 Notes on Switching from SCK Pins to Port Pins .................................................. 466