Datasheet

Rev. 3.00 Mar. 15, 2006 Page xvi of xxxii
16.3.1 PWM Control Register (PWCR) ...................................................................... 296
16.3.2 PWM Data Registers U, L (PWDRU, PWDRL) .............................................. 297
16.4 Operation .......................................................................................................................... 297
Section 17 Serial Communication Interface 3 (SCI3).......................................299
17.1 Features............................................................................................................................. 299
17.2 Input/Output Pins.............................................................................................................. 303
17.3 Register Descriptions........................................................................................................ 303
17.3.1 Receive Shift Register (RSR) ........................................................................... 303
17.3.2 Receive Data Register (RDR)........................................................................... 303
17.3.3 Transmit Shift Register (TSR).......................................................................... 304
17.3.4 Transmit Data Register (TDR).......................................................................... 304
17.3.5 Serial Mode Register (SMR) ............................................................................ 304
17.3.6 Serial Control Register 3 (SCR3) ..................................................................... 306
17.3.7 Serial Status Register (SSR) ............................................................................. 307
17.3.8 Bit Rate Register (BRR) ................................................................................... 309
17.4 Operation in Asynchronous Mode.................................................................................... 318
17.4.1 Clock................................................................................................................. 318
17.4.2 SCI3 Initialization............................................................................................. 319
17.4.3 Data Transmission ............................................................................................ 320
17.4.4 Serial Data Reception ....................................................................................... 322
17.5 Operation in Clocked Synchronous Mode........................................................................ 326
17.5.1 Clock................................................................................................................. 326
17.5.2 SCI3 Initialization............................................................................................. 326
17.5.3 Serial Data Transmission.................................................................................. 327
17.5.4 Serial Data Reception (Clocked Synchronous Mode) ...................................... 329
17.5.5 Simultaneous Serial Data Transmission and Reception.................................... 331
17.6 Multiprocessor Communication Function ........................................................................ 332
17.6.1 Multiprocessor Serial Data Transmission......................................................... 334
17.6.2 Multiprocessor Serial Data Reception .............................................................. 335
17.7 Interrupt Requests............................................................................................................. 338
17.8 Usage Notes...................................................................................................................... 339
17.8.1 Break Detection and Processing ....................................................................... 339
17.8.2 Mark State and Break Sending ......................................................................... 339
17.8.3 Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only).................................................................. 339
17.8.4 Receive Data Sampling Timing and Reception Margin in Asynchronous
Mode................................................................................................................. 340