Datasheet

Rev. 2.00 Aug. 20, 2008 Page xvii of xlviii
13.8 Interrupt Sources................................................................................................................ 489
13.8.1 Interrupts in Normal Serial Communication Interface Mode ............................... 489
13.8.2 Interrupts in Smart Card Interface Mode .............................................................. 490
13.9 Usage Notes ....................................................................................................................... 491
13.9.1 Module Stop Mode Setting ................................................................................... 491
13.9.2 Break Detection and Processing ........................................................................... 491
13.9.3 Mark State and Break Sending.............................................................................. 491
13.9.4 Receive Error Flags and Transmit Operations
(Clock Synchronous Mode Only) ......................................................................... 491
13.9.5 Relation between Writing to TDR and TDRE Flag .............................................. 491
13.9.6 Restrictions on Using DTC................................................................................... 492
13.9.7 SCI Operations during Mode Transitions ............................................................. 493
13.9.8 Notes on Switching from SCK Pins to Port Pins .................................................. 497
Section 14 CRC Operation Circuit (CRC).........................................................499
14.1 Features.............................................................................................................................. 499
14.2 Register Descriptions ......................................................................................................... 500
14.2.1 CRC Control Register (CRCCR) .......................................................................... 500
14.2.2 CRC Data Input Register (CRCDIR).................................................................... 501
14.2.3 CRC Data Output Register (CRCDOR)................................................................ 501
14.3 CRC Operation Circuit Operation...................................................................................... 501
14.4 Note on CRC Operation Circuit......................................................................................... 505
Section 15 Serial Communication Interface with FIFO (SCIF) ........................507
15.1 Features.............................................................................................................................. 507
15.2 Input/Output Pins............................................................................................................... 509
15.3 Register Descriptions ......................................................................................................... 510
15.3.1 Receive Shift Register (FRSR) ............................................................................. 511
15.3.2 Receive Buffer Register (FRBR) .......................................................................... 511
15.3.3 Transmitter Shift Register (FTSR)........................................................................ 511
15.3.4 Transmitter Holding Register (FTHR).................................................................. 512
15.3.5 Divisor Latch H, L (FDLH, FDLL) ...................................................................... 512
15.3.6 Interrupt Enable Register (FIER).......................................................................... 513
15.3.7 Interrupt Identification Register (FIIR)................................................................. 514
15.3.8 FIFO Control Register (FFCR)............................................................................. 516
15.3.9 Line Control Register (FLCR) .............................................................................. 517
15.3.10 Modem Control Register (FMCR)........................................................................ 518
15.3.11 Line Status Register (FLSR)................................................................................. 520
15.3.12 Modem Status Register (FMSR)........................................................................... 524
15.3.13 Scratch Pad Register (FSCR)................................................................................ 525