x
14.5
Notes on Use ................................................................................................................................................... 453
Section 15 Smart Card Interface............................................................................................................. 457
15.1
Overview ........................................................................................................................................................... 457
15.1.1 Features............................................................................................................................................. 457
15.1.2 Block Diagram............................................................................................................................... 458
15.1.3 Pin Configuration.......................................................................................................................... 459
15.1.4 Register Configuration ............................................................................................................... 459
15.2
Register Descriptions .................................................................................................................................. 459
15.2.1 Smart Card Mode Register (SCSCMR)............................................................................ 460
15.2.2 Serial Status Register (SCSSR) ........................................................................................... 461
15.3
Operation........................................................................................................................................................... 462
15.3.1 Overview........................................................................................................................................... 462
15.3.2 Pin Connections ............................................................................................................................ 462
15.3.3 Data Format .................................................................................................................................... 464
15.3.4 Register Settings........................................................................................................................... 465
15.3.5 Clock .................................................................................................................................................. 466
15.3.6 Data Transmission and Reception........................................................................................ 469
15.4
Usage Notes..................................................................................................................................................... 475
15.4.1 Receive Data Timing and Receive Margin in Asynchronous Mode................... 475
15.4.2 Retransmission (Receive and Transmit Modes) ........................................................... 476
Section 16 Serial Communication Interface with FIFO (SCIF).................................... 479
16.1
Overview ........................................................................................................................................................... 479
16.1.1 Features............................................................................................................................................. 479
16.1.2 Block Diagram............................................................................................................................... 480
16.1.3 Pin Configuration.......................................................................................................................... 483
16.1.4 Register Configuration ............................................................................................................... 484
16.2
Register Descriptions .................................................................................................................................. 484
16.2.1 Receive Shift Register............................................................................................................... 484
16.2.2 Receive FIFO Data Register .................................................................................................. 484
16.2.3 Transmit Shift Register.............................................................................................................. 485
16.2.4 Transmit FIFO Data Register ................................................................................................. 485
16.2.5 Serial Mode Register.................................................................................................................. 485
16.2.6 Serial Control Register .............................................................................................................. 486
16.2.7 Serial Status Register................................................................................................................. 489
16.2.8 Bit Rate Register (SCBRR) ................................................................................................... 493
16.2.9 FIFO Control Register (SCFCR).......................................................................................... 500
16.2.10 Register of the Number of FIFO Data (SCFDR).......................................................... 501
16.3
Operation........................................................................................................................................................... 502