HD64F3048VTF8 Datasheet, PDF (23/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

Section 13 Serial Communication Interface ................................................................ 455
13.1 Overview........................................................................................................................... 455
13.1.1 Features................................................................................................................ 455
13.1.2 Block Diagram ..................................................................................................... 457
13.1.3 Input/Output Pins ................................................................................................. 458
13.1.4 Register Configuration......................................................................................... 458
13.2 Register Descriptions ........................................................................................................ 459
13.2.1 Receive Shift Register (RSR) .............................................................................. 459
13.2.2 Receive Data Register (RDR) .............................................................................. 459
13.2.3 Transmit Shift Register (TSR) ............................................................................. 460
13.2.4 Transmit Data Register (TDR)............................................................................. 460
13.2.5 Serial Mode Register (SMR)................................................................................ 461
13.2.6 Serial Control Register (SCR).............................................................................. 464
13.2.7 Serial Status Register (SSR) ................................................................................ 468
13.2.8 Bit Rate Register (BRR) ...................................................................................... 472
13.3 Operation .......................................................................................................................... 481
13.3.1 Overview.............................................................................................................. 481
13.3.2 Operation in Asynchronous Mode ....................................................................... 483
13.3.3 Multiprocessor Communication........................................................................... 492
13.3.4 Synchronous Operation........................................................................................ 499
13.4 SCI Interrupts.................................................................................................................... 508
13.5 Usage Notes ...................................................................................................................... 509
Section 14 Smart Card Interface ..................................................................................... 515
14.1 Overview........................................................................................................................... 515
14.1.1 Features................................................................................................................ 515
14.1.2 Block Diagram ..................................................................................................... 516
14.1.3 Input/Output Pins ................................................................................................. 517
14.1.4 Register Configuration......................................................................................... 517
14.2 Register Descriptions ........................................................................................................ 518
14.2.1 Smart Card Mode Register (SCMR) .................................................................... 518
14.2.2 Serial Status Register (SSR) ................................................................................ 519
14.2.3 Serial Mode Register (SMR)................................................................................ 521
14.2.4 Serial Control Register (SCR).............................................................................. 522
14.3 Operation .......................................................................................................................... 523
14.3.1 Overview.............................................................................................................. 523
14.3.2 Pin Connections ................................................................................................... 523
14.3.3 Data Format ......................................................................................................... 524
14.3.4 Register Settings .................................................................................................. 526
14.3.5 Clock.................................................................................................................... 528
14.3.6 Transmitting and Receiving Data ........................................................................ 530
Rev. 3.00 Sep 27, 2006 page xxi of xxvi