Renesas H8SX/1520 Series Hardware Manual page 16

12.3 Register Descriptions......................................................................................................... 380
12.3.1 Receive Shift Register (RSR) ............................................................................... 381
12.3.2 Receive Data Register (RDR)............................................................................... 381
12.3.3 Transmit Data Register (TDR).............................................................................. 381
12.3.4 Transmit Shift Register (TSR) .............................................................................. 382
12.3.5 Serial Mode Register (SMR) ................................................................................ 382
12.3.6 Serial Control Register (SCR) .............................................................................. 385
12.3.7 Serial Status Register (SSR) ................................................................................. 389
12.3.8 Smart Card Mode Register (SCMR)..................................................................... 397
12.3.9 Bit Rate Register (BRR) ....................................................................................... 398
12.4 Operation in Asynchronous Mode ..................................................................................... 405
12.4.1 Data Transfer Format............................................................................................ 406
12.4.2 Receive Data Sampling Timing and Reception Margin
12.4.3 Clock..................................................................................................................... 408
12.4.4 SCI Initialization (Asynchronous Mode).............................................................. 409
12.4.5 Serial Data Transmission (Asynchronous Mode) ................................................. 410
12.4.6 Serial Data Reception (Asynchronous Mode) ...................................................... 412
12.5 Multiprocessor Communication Function.......................................................................... 416
12.5.1 Multiprocessor Serial Data Transmission ............................................................. 418
12.5.2 Multiprocessor Serial Data Reception .................................................................. 419
12.6 Operation in Clocked Synchronous Mode ......................................................................... 422
12.6.1 Clock..................................................................................................................... 422
12.6.2 SCI Initialization (Clocked Synchronous Mode).................................................. 423
12.6.3 Serial Data Transmission (Clocked Synchronous Mode) ..................................... 424
12.6.4 Serial Data Reception (Clocked Synchronous Mode) .......................................... 426
12.6.5 Simultaneous Serial Data Transmission and Reception
12.7 Operation in Smart Card Interface Mode........................................................................... 429
12.7.1 Sample Connection............................................................................................... 429
12.7.2 Data Format (Except in Block Transfer Mode) .................................................... 430
12.7.3 Block Transfer Mode ............................................................................................ 431
12.7.4 Receive Data Sampling Timing and Reception Margin ....................................... 432
12.7.5 Initialization.......................................................................................................... 433
12.7.6 Data Transmission (Except in Block Transfer Mode) .......................................... 434
12.7.7 Serial Data Reception (Except in Block Transfer Mode) ..................................... 437
12.7.8 Clock Output Control............................................................................................ 438
12.8 Interrupt Sources................................................................................................................ 440
12.8.1 Interrupts in Normal Serial Communication Interface Mode ............................... 440
12.8.2 Interrupts in Smart Card Interface Mode .............................................................. 441
Rev. 3.00 Mar. 14, 2006 Page xvi of xxxviii
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in Asynchronous Mode......................................................................................... 407
(Clocked Synchronous Mode) .............................................................................. 427