SH7708 Datasheet, PDF (12/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

13.1 Overview..........................................................................................................335
13.1.1 Features................................................................................................335
13.1.2 Block Diagram.......................................................................................336
13.1.3 Pin Configuration ..................................................................................337
13.1.4 Register Configuration ............................................................................337
13.2 Register Descriptions..........................................................................................338
13.2.1 Receive Shift Register (SCRSR)...............................................................338
13.2.2 Receive Data Register (SCRDR)...............................................................338
13.2.3 Transmit Shift Register (SCTSR) .............................................................338
13.2.4 Transmit Data Register (SCTDR)..............................................................339
13.2.5 Serial Mode Register (SCSMR)................................................................339
13.2.6 Serial Control Register (SCSCR)..............................................................342
13.2.7 Serial Status Register (SCSSR)................................................................345
13.2.8 Serial Port Register (SCSPTR).................................................................349
13.2.9 Bit Rate Register (SCBRR)......................................................................350
13.3 Operation .........................................................................................................358
13.3.1 Overview ..............................................................................................358
13.3.2 Operation in Asynchronous Mode..............................................................360
13.3.3 Multiprocessor Communication................................................................370
13.3.4 Synchronous Operation ...........................................................................378
13.4 SCI Interrupt Sources .........................................................................................388
13.5 Usage Notes......................................................................................................388
Section 14 Smart Card Interface.......................................................393
14.1 Overview..........................................................................................................393
14.1.1 Features................................................................................................393
14.1.2 Block Diagram.......................................................................................394
14.1.3 Pin Configuration ..................................................................................395
14.1.4 Register Configuration ............................................................................395
14.2 Register Descriptions..........................................................................................395
14.2.1 Smart Card Mode Register (SCSCMR) ......................................................396
14.2.2 Serial Status Register (SCSSR)................................................................397
14.3 Operation .........................................................................................................398
14.3.1 Overview ..............................................................................................398
14.3.2 Pin Connections ....................................................................................399
14.3.3 Data Format ..........................................................................................400
14.3.4 Register Settings....................................................................................401
14.3.5 Clock...................................................................................................403
14.3.6 Data Transmission and Reception ..............................................................405
14.4 Usage Notes......................................................................................................412
14.4.1 Receive Data Timing and Receive Margin in Asynchronous Mode...................412
14.4.2 Retransmission (Receive and Transmit Modes).............................................414
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