H8SLASH3021 datasheet(19/712 Pages) RENESAS

19 / 712 page

Rev.2.00 Mar. 22, 2007 Page xix of xxiv

REJ09B0352-0200

10.5

Usage Notes ...................................................................................................................... 329

Section 11 Serial Communication Interface ................................................................ 331

11.1

Overview........................................................................................................................... 331

11.1.1 Features ................................................................................................................ 331

11.1.2 Block Diagram ..................................................................................................... 333

11.1.3 Pin Configuration................................................................................................. 334

11.1.4 Register Configuration......................................................................................... 335

11.2

Register Descriptions ........................................................................................................ 336

11.2.1 Receive Shift Register (RSR) .............................................................................. 336

11.2.2 Receive Data Register (RDR) .............................................................................. 336

11.2.3 Transmit Shift Register (TSR) ............................................................................. 337

11.2.4 Transmit Data Register (TDR)............................................................................. 337

11.2.5 Serial Mode Register (SMR)................................................................................ 338

11.2.6 Serial Control Register (SCR).............................................................................. 342

11.2.7 Serial Status Register (SSR) ................................................................................ 346

11.2.8 Bit Rate Register (BRR) ...................................................................................... 350

11.3

Operation........................................................................................................................... 359

11.3.1 Overview.............................................................................................................. 359

11.3.2 Operation in Asynchronous Mode ....................................................................... 362

11.3.3 Multiprocessor Communication........................................................................... 371

11.3.4 Synchronous Operation........................................................................................ 378

11.4

SCI Interrupts.................................................................................................................... 387

11.5

Usage Notes ...................................................................................................................... 388

Section 12 Smart Card Interface ..................................................................................... 395

12.1

Overview........................................................................................................................... 395

12.1.1 Features ................................................................................................................ 395

12.1.2 Block Diagram ..................................................................................................... 396

12.1.3 Pin Configuration................................................................................................. 397

12.1.4 Register Configuration......................................................................................... 397

12.2

Register Descriptions ........................................................................................................ 398

12.2.1 Smart Card Mode Register (SCMR) .................................................................... 398

12.2.2 Serial Status Register (SSR) ................................................................................ 400

12.3

Operation........................................................................................................................... 402

12.3.1 Overview.............................................................................................................. 402

12.3.2 Pin Connections ................................................................................................... 402

12.3.3 Data Format ......................................................................................................... 404

12.3.4 Register Settings .................................................................................................. 406

12.3.5 Clock.................................................................................................................... 408

12.3.6 Data Transfer Operations ..................................................................................... 410

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