H83065 datasheet(16/963 Pages) RENESAS

16 / 963 page

Rev. 4.00 Jan 26, 2006 page xvi of xxii

Section 13 Serial Communication Interface ................................................................ 477

13.1

Overview........................................................................................................................... 477

13.1.1 Features................................................................................................................ 477

13.1.2 Block Diagram ..................................................................................................... 479

13.1.3 Input/Output Pins ................................................................................................. 480

13.1.4 Register Configuration......................................................................................... 481

13.2

Register Descriptions ........................................................................................................ 482

13.2.1 Receive Shift Register (RSR) .............................................................................. 482

13.2.2 Receive Data Register (RDR) .............................................................................. 482

13.2.3 Transmit Shift Register (TSR) ............................................................................. 483

13.2.4 Transmit Data Register (TDR)............................................................................. 483

13.2.5 Serial Mode Register (SMR)................................................................................ 484

13.2.6 Serial Control Register (SCR).............................................................................. 488

13.2.7 Serial Status Register (SSR) ................................................................................ 493

13.2.8 Bit Rate Register (BRR) ...................................................................................... 499

13.3

Operation .......................................................................................................................... 507

13.3.1 Overview.............................................................................................................. 507

13.3.2 Operation in Asynchronous Mode ....................................................................... 509

13.3.3 Multiprocessor Communication........................................................................... 519

13.3.4 Synchronous Operation........................................................................................ 526

13.4

SCI Interrupts.................................................................................................................... 534

13.5

Usage Notes ...................................................................................................................... 535

13.5.1 Notes on Use of SCI ............................................................................................ 535

Section 14 Smart Card Interface ..................................................................................... 541

14.1

Overview........................................................................................................................... 541

14.1.1 Features................................................................................................................ 541

14.1.2 Block Diagram ..................................................................................................... 542

14.1.3 Pin Configuration................................................................................................. 543

14.1.4 Register Configuration......................................................................................... 544

14.2

Register Descriptions ........................................................................................................ 545

14.2.1 Smart Card Mode Register (SCMR) .................................................................... 545

14.2.2 Serial Status Register (SSR) ................................................................................ 547

14.2.3 Serial Mode Register (SMR)................................................................................ 549

14.2.4 Serial Control Register (SCR).............................................................................. 550

14.3

Operation .......................................................................................................................... 551

14.3.1 Overview.............................................................................................................. 551

14.3.2 Pin Connections ................................................................................................... 551

14.3.3 Data Format ......................................................................................................... 553

14.3.4 Register Settings .................................................................................................. 554

14.3.5 Clock.................................................................................................................... 556

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