H8SLASH3008 datasheet(24/686 Pages) RENESAS

24 / 686 page

Rev.4.00 Aug. 20, 2007 Page xxiv of xliv

REJ09B0395-0400

Section 12 Serial Communication Interface ................................................................ 321

12.1

Overview........................................................................................................................... 321

12.1.1 Features................................................................................................................ 321

12.1.2 Block Diagram..................................................................................................... 323

12.1.3 Pin Configuration................................................................................................. 324

12.1.4 Register Configuration......................................................................................... 325

12.2

Register Descriptions ........................................................................................................ 326

12.2.1 Receive Shift Register (RSR) .............................................................................. 326

12.2.2 Receive Data Register (RDR) .............................................................................. 326

12.2.3 Transmit Shift Register (TSR) ............................................................................. 327

12.2.4 Transmit Data Register (TDR)............................................................................. 327

12.2.5 Serial Mode Register (SMR) ............................................................................... 328

12.2.6 Serial Control Register (SCR).............................................................................. 332

12.2.7 Serial Status Register (SSR) ................................................................................ 337

12.2.8 Bit Rate Register (BRR) ...................................................................................... 342

12.3

Operation .......................................................................................................................... 350

12.3.1 Overview.............................................................................................................. 350

12.3.2 Operation in Asynchronous Mode ....................................................................... 353

12.3.3 Multiprocessor Communication........................................................................... 362

12.3.4 Synchronous Operation........................................................................................ 369

12.4

SCI Interrupts.................................................................................................................... 377

12.5

Usage Notes ...................................................................................................................... 378

12.5.1 Notes on Use of SCI ............................................................................................ 378

Section 13 Smart Card Interface ..................................................................................... 383

13.1

Overview........................................................................................................................... 383

13.1.1 Features................................................................................................................ 383

13.1.2 Block Diagram..................................................................................................... 384

13.1.3 Pin Configuration................................................................................................. 385

13.1.4 Register Configuration......................................................................................... 385

13.2

Register Descriptions ........................................................................................................ 386

13.2.1 Smart Card Mode Register (SCMR) .................................................................... 386

13.2.2 Serial Status Register (SSR) ................................................................................ 388

13.2.3 Serial Mode Register (SMR) ............................................................................... 389

13.2.4 Serial Control Register (SCR).............................................................................. 390

13.3

Operation .......................................................................................................................... 391

13.3.1 Overview.............................................................................................................. 391

13.3.2 Pin Connections ................................................................................................... 391

13.3.3 Data Format ......................................................................................................... 392

13.3.4 Register Settings .................................................................................................. 394

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