Table of Contents
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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
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
Rev. 4.00 Jan 26, 2006 page xvi of xxii
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