Datasheet

Rev. 4.00 Mar. 15, 2006 Page xvi of xxxii
15.4.1 Message Control (MCn0, MCn4 to MCn7 [n = 0 to 3])................................... 319
15.4.2 Local Acceptance Filter Mask
(LAFMHn1, LAFMHn0, LAFMLn1, LAFMLn0 [n = 0 to 3]) ........................ 322
15.4.3 Message Data (MDn0 to MDn7 [n = 0 to 3]) ................................................... 323
15.5 Operation .......................................................................................................................... 324
15.5.1 TinyCAN Initial Settings.................................................................................. 324
15.5.2 Bit Timing......................................................................................................... 325
15.5.3 Message Transmission...................................................................................... 327
15.5.4 Message Reception ........................................................................................... 336
15.5.5 Reconfiguring Mailbox..................................................................................... 340
15.5.6 TinyCAN Standby Transition........................................................................... 342
15.6 Interrupt Requests............................................................................................................. 344
15.7 Test Mode Settings ........................................................................................................... 345
15.8 CAN Bus Interface ........................................................................................................... 346
15.9 Usage Notes...................................................................................................................... 347
Section 16 Synchronous Serial Communication Unit (SSU)............................349
16.1 Features............................................................................................................................. 349
16.2 Continuous transmission and reception of serial data are enabled since both transmitter
and Input/Output Pins....................................................................................................... 349
16.3 Register Descriptions........................................................................................................ 350
16.3.1 SS Control Register H (SSCRH) ...................................................................... 351
16.3.2 SS Control Register L (SSCRL) ....................................................................... 353
16.3.3 SS Mode Register (SSMR)............................................................................... 354
16.3.4 SS Enable Register (SSER) .............................................................................. 355
16.3.5 SS Status Register (SSSR)................................................................................ 356
16.3.6 SS Receive Data Register (SSRDR)................................................................. 358
16.3.7 SS Transmit Data Register (SSTDR)................................................................ 358
16.3.8 SS Shift Register (SSTRSR)............................................................................. 358
16.4 Operation .......................................................................................................................... 359
16.4.1 Transfer Clock .................................................................................................. 359
16.4.2 Relationship between Clock Polarity and Phase, and Data............................... 359
16.4.3 Relationship between Data Input/Output Pin and Shift Register...................... 361
16.4.4 Communication Modes and Pin Functions....................................................... 362
16.4.5 Operation in Clocked Synchronous Communication Mode ............................. 363
16.4.6 Operation in Four-Line Bus Communication Mode......................................... 370
16.4.7 Initialization in Four-Line Bus Communication Mode..................................... 371
16.4.8 Serial Data Transmission.................................................................................. 372
16.4.9 Serial Data Reception ....................................................................................... 374
16.4.10 SCS Pin Control and Arbitration ...................................................................... 376