Table Of Contents - Renesas H8S Family Hardware Manual

Section 13 Serial Communication Interface (Sci)............................................ 429
13.1 Features.............................................................................................................................. 429
13.2 Input/Output Pins............................................................................................................... 432
13.3 Register Descriptions......................................................................................................... 432
13.3.1 Receive Shift Register (RSR) ............................................................................... 433
13.3.2 Receive Data Register (RDR)............................................................................... 433
13.3.3 Transmit Data Register (TDR).............................................................................. 433
13.3.4 Transmit Shift Register (TSR) .............................................................................. 433
13.3.5 Serial Mode Register (SMR) ................................................................................ 434
13.3.6 Serial Control Register (SCR) .............................................................................. 437
13.3.7 Serial Status Register (SSR) ................................................................................. 440
13.3.8 Smart Card Mode Register (SCMR)..................................................................... 444
13.3.9 Bit Rate Register (BRR) ....................................................................................... 445
13.4 Operation in Asynchronous Mode ..................................................................................... 449
13.4.1 Data Transfer Format............................................................................................ 450
13.4.2 Receive Data Sampling Timing and Reception Margin in
Asynchronous Mode ............................................................................................. 451
13.4.3 Clock..................................................................................................................... 452
13.4.4 SCI Initialization (Asynchronous Mode).............................................................. 453
13.4.5 Serial Data Transmission (Asynchronous Mode) ................................................. 454
13.4.6 Serial Data Reception (Asynchronous Mode) ...................................................... 456
13.5 Multiprocessor Communication Function.......................................................................... 460
13.5.1 Multiprocessor Serial Data Transmission ............................................................. 462
13.5.2 Multiprocessor Serial Data Reception .................................................................. 463
13.6 Operation in Clock Synchronous Mode............................................................................. 466
13.6.1 Clock..................................................................................................................... 466
13.6.2 SCI Initialization (Clock Synchronous Mode)...................................................... 467
13.6.3 Serial Data Transmission (Clock Synchronous Mode)......................................... 468
13.6.4 Serial Data Reception (Clock Synchronous Mode) .............................................. 471
13.6.5 Simultaneous Serial Data Transmission and Reception
(Clock Synchronous Mode) .................................................................................. 473
13.7 Smart Card Interface Description ...................................................................................... 475
13.7.1 Sample Connection............................................................................................... 475
13.7.2 Data Format (Except in Block Transfer Mode) .................................................... 475
13.7.3 Block Transfer Mode ............................................................................................ 477
13.7.4 Receive Data Sampling Timing and Reception Margin ....................................... 478
13.7.5 Initialization.......................................................................................................... 479
13.7.6 Serial Data Transmission (Except in Block Transfer Mode) ................................ 480
13.7.7 Serial Data Reception (Except in Block Transfer Mode) ..................................... 483
13.7.8 Clock Output Control............................................................................................ 485
Rev. 1.00 Mar. 12, 2008 Page xvi of xIviii