xii
16.2.6 Serial Control Register (SCR) .............................................................................. 594
16.2.7 Serial Status Register (SSR) ................................................................................. 598
16.2.8 Bit Rate Register (BRR) ....................................................................................... 602
16.2.9 Smart Card Mode Register (SCMR)..................................................................... 611
16.2.10 IrDA Control Register (IrCR)............................................................................... 612
16.2.11 Module Stop Control Registers B and C (MSTPCRB, MSTPCRC).................... 613
16.3
Operation............................................................................................................................ 615
16.3.1 Overview............................................................................................................... 615
16.3.2 Operation in Asynchronous Mode........................................................................ 618
16.3.3 Multiprocessor Communication Function ............................................................ 629
16.3.4 Operation in Clocked Synchronous Mode............................................................ 637
16.3.5 IrDA Operation ..................................................................................................... 645
16.4
SCI Interrupts ..................................................................................................................... 648
16.5
Usage Notes ....................................................................................................................... 650
Section 17 Smart Card Interface
...................................................................................... 659
17.1
Overview............................................................................................................................ 659
17.1.1 Features ................................................................................................................. 659
17.1.2 Block Diagram...................................................................................................... 660
17.1.3 Pin Configuration.................................................................................................. 661
17.1.4 Register Configuration.......................................................................................... 662
17.2
Register Descriptions ......................................................................................................... 664
17.2.1 Smart Card Mode Register (SCMR)..................................................................... 664
17.2.2 Serial Status Register (SSR) ................................................................................. 666
17.2.3 Serial Mode Register (SMR) ................................................................................ 668
17.2.4 Serial Control Register (SCR) .............................................................................. 670
17.3
Operation............................................................................................................................ 671
17.3.1 Overview............................................................................................................... 671
17.3.2 Pin Connections .................................................................................................... 671
17.3.3 Data Format .......................................................................................................... 673
17.3.4 Register Settings ................................................................................................... 675
17.3.5 Clock ..................................................................................................................... 677
17.3.6 Data Transfer Operations...................................................................................... 679
17.3.7 Operation in GSM Mode ...................................................................................... 686
17.3.8 Operation in Block Transfer Mode ....................................................................... 687
17.4
Usage Notes ....................................................................................................................... 688
Section 18 I
2
C Bus Interface [Option]
........................................................................... 691
18.1
Overview............................................................................................................................ 691
18.1.1 Features ................................................................................................................. 691
18.1.2 Block Diagram...................................................................................................... 692
18.1.3 Input/Output Pins.................................................................................................. 694
18.1.4 Register Configuration.......................................................................................... 695