DS72011RB120FPV datasheet(20/1196 Pages) RENESAS

20 / 1196 page

Rev. 2.00 Sep. 07, 2007 Page xx of xxviii

15.3.4 Hour Counter (RHRCNT) .................................................................................... 641

15.3.5 Day of Week Counter (RWKCNT) ...................................................................... 642

15.3.6 Date Counter (RDAYCNT) .................................................................................. 643

15.3.7 Month Counter (RMONCNT) .............................................................................. 644

15.3.8 Year Counter (RYRCNT) ..................................................................................... 645

15.3.9 Second Alarm Register (RSECAR) ...................................................................... 646

15.3.10 Minute Alarm Register (RMINAR)...................................................................... 647

15.3.11 Hour Alarm Register (RHRAR) ........................................................................... 648

15.3.12 Day of Week Alarm Register (RWKAR) ............................................................. 649

15.3.13 Date Alarm Register (RDAYAR)......................................................................... 650

15.3.14 Month Alarm Register (RMONAR) ..................................................................... 651

15.3.15 Year Alarm Register (RYRAR)............................................................................ 652

15.3.16 RTC Control Register 1 (RCR1)........................................................................... 653

15.3.17 RTC Control Register 2 (RCR2)........................................................................... 655

15.3.18 RTC Control Register 3 (RCR3)........................................................................... 657

15.4

Operation ........................................................................................................................... 658

15.4.1 Initial Settings of Registers after Power-On ......................................................... 658

15.4.2 Setting Time ......................................................................................................... 658

15.4.3 Reading Time........................................................................................................ 659

15.4.4 Alarm Function..................................................................................................... 660

15.5

Usage Notes ....................................................................................................................... 661

15.5.1 Register Writing during RTC Count..................................................................... 661

15.5.2 Use of Realtime Clock (RTC) Periodic Interrupts................................................ 661

15.5.3 Transition to Standby Mode after Setting Register............................................... 662

15.5.4 Crystal Oscillator Circuit for RTC........................................................................ 662

15.5.5 Procedure for Setting the 30-Second Adjustment Function.................................. 663

Section 16 Serial Communication Interface with FIFO (SCIF)........................ 665

16.1

Features.............................................................................................................................. 665

16.2

Input/Output Pins...............................................................................................................667

16.3

Register Descriptions ......................................................................................................... 667

16.3.1 Receive Shift Register (SCRSR) .......................................................................... 671

16.3.2 Receive FIFO Data Register (SCFRDR) .............................................................. 671

16.3.3 Transmit Shift Register (SCTSR) ......................................................................... 672

16.3.4 Transmit FIFO Data Register (SCFTDR)............................................................. 672

16.3.5 Serial Mode Register (SCSMR)............................................................................ 673

16.3.6 Serial Control Register (SCSCR).......................................................................... 676

16.3.7 Serial Status Register (SCFSR) ............................................................................ 680

16.3.8 Bit Rate Register (SCBRR) .................................................................................. 688

16.3.9 FIFO Control Register (SCFCR) .......................................................................... 696

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