SH7763 Datasheet, PDF (20/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 22 Realtime Clock (RTC)..................................................................... 759
22.1 Features.............................................................................................................................. 759
22.1.1 Block Diagram...................................................................................................... 760
22.2 Input/Output Pins............................................................................................................... 761
22.3 Register Descriptions......................................................................................................... 762
22.4 Register Descriptions......................................................................................................... 764
22.4.1 64 Hz Counter (R64CNT)..................................................................................... 764
22.4.2 Second Counter (RSECCNT) ............................................................................... 764
22.4.3 Minute Counter (RMINCNT)............................................................................... 765
22.4.4 Hour Counter (RHRCNT) .................................................................................... 765
22.4.5 Day-of-Week Counter (RWKCNT)...................................................................... 766
22.4.6 Day Counter (RDAYCNT)................................................................................... 767
22.4.7 Month Counter (RMONCNT) .............................................................................. 768
22.4.8 Year Counter (RYRCNT)..................................................................................... 768
22.4.9 Second Alarm Register (RSECAR) ...................................................................... 769
22.4.10 Minute Alarm Register (RMINAR)...................................................................... 769
22.4.11 Hour Alarm Register (RHRAR) ........................................................................... 770
22.4.12 Day-of-Week Alarm Register (RWKAR)............................................................. 770
22.4.13 Day Alarm Register (RDAYAR).......................................................................... 771
22.4.14 Month Alarm Register (RMONAR) ..................................................................... 772
22.4.15 RTC Control Register 1 (RCR1)........................................................................... 772
22.4.16 RTC Control Register 2 (RCR2)........................................................................... 774
22.4.17 RTC Control Register (RCR3) and Year-Alarm Register (RYRAR) ................... 777
22.5 Operation ........................................................................................................................... 778
22.5.1 Time Setting Procedures....................................................................................... 778
22.5.2 Time Reading Procedures..................................................................................... 779
22.5.3 Alarm Function..................................................................................................... 780
22.6 Interrupts............................................................................................................................ 781
22.7 Usage Notes ....................................................................................................................... 781
22.7.1 Register Initialization............................................................................................ 781
22.7.2 Crystal Oscillator Circuit ...................................................................................... 781
22.7.3 Interrupt source and request generating order....................................................... 782
Section 23 Gigabit Ethernet Controller (GETHER).......................................... 783
23.1 Features.............................................................................................................................. 783
23.2 Input/Output Pins............................................................................................................... 785
23.3 Register Descriptions......................................................................................................... 790
23.3.1 Software Reset Register (ARSTR) ....................................................................... 807
23.3.2 E-MAC Mode Register (ECMR) .......................................................................... 808
23.3.3 E-MAC Status Register (ECSR)........................................................................... 814
Rev. 1.00 Oct. 01, 2007 Page xx of lxvi