SH7263 Datasheet, PDF (18/1862 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 14 Realtime Clock (RTC)..................................................................... 683
14.1 Features.............................................................................................................................. 683
14.2 Input/Output Pin ................................................................................................................ 685
14.3 Register Descriptions......................................................................................................... 686
14.3.1 64-Hz Counter (R64CNT) .................................................................................... 687
14.3.2 Second Counter (RSECCNT) ............................................................................... 688
14.3.3 Minute Counter (RMINCNT)............................................................................... 689
14.3.4 Hour Counter (RHRCNT) .................................................................................... 690
14.3.5 Day of Week Counter (RWKCNT) ...................................................................... 691
14.3.6 Date Counter (RDAYCNT) .................................................................................. 692
14.3.7 Month Counter (RMONCNT) .............................................................................. 693
14.3.8 Year Counter (RYRCNT)..................................................................................... 694
14.3.9 Second Alarm Register (RSECAR) ...................................................................... 695
14.3.10 Minute Alarm Register (RMINAR)...................................................................... 696
14.3.11 Hour Alarm Register (RHRAR) ........................................................................... 697
14.3.12 Day of Week Alarm Register (RWKAR) ............................................................. 698
14.3.13 Date Alarm Register (RDAYAR)......................................................................... 699
14.3.14 Month Alarm Register (RMONAR) ..................................................................... 700
14.3.15 Year Alarm Register (RYRAR)............................................................................ 701
14.3.16 RTC Control Register 1 (RCR1)........................................................................... 702
14.3.17 RTC Control Register 2 (RCR2)........................................................................... 704
14.3.18 RTC Control Register 3 (RCR3)........................................................................... 706
14.4 Operation ........................................................................................................................... 707
14.4.1 Initial Settings of Registers after Power-On ......................................................... 707
14.4.2 Setting Time ......................................................................................................... 707
14.4.3 Reading Time........................................................................................................ 708
14.4.4 Alarm Function..................................................................................................... 709
14.5 Usage Notes ....................................................................................................................... 710
14.5.1 Register Writing during RTC Count..................................................................... 710
14.5.2 Use of Real-time Clock (RTC) Periodic Interrupts............................................... 710
14.5.3 Transition to Standby Mode after Setting Register............................................... 710
14.5.4 Notes on Register Read and Write Operations ..................................................... 711
Section 15 Serial Communication Interface with FIFO (SCIF)........................ 713
15.1 Features.............................................................................................................................. 713
15.2 Input/Output Pins............................................................................................................... 716
15.3 Register Descriptions......................................................................................................... 717
15.3.1 Receive Shift Register (SCRSR) .......................................................................... 719
15.3.2 Receive FIFO Data Register (SCFRDR) .............................................................. 719
15.3.3 Transmit Shift Register (SCTSR) ......................................................................... 720
Rev. 2.00 Mar. 14, 2008 Page xviii of xxxiv
REJ09B0290-0200