SH7730 Datasheet, PDF (17/1188 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

16.4.7 Timer General Register (TPUn_TGR) ................................................................... 506
16.4.8 Timer Start Register (TPUn_TSTR) ...................................................................... 507
16.5 Operation .......................................................................................................................... 508
16.5.1 Overview................................................................................................................ 508
16.5.2 Basic Functions ...................................................................................................... 509
16.5.3 Buffer Operation .................................................................................................... 513
16.5.4 PWM Modes .......................................................................................................... 515
Section 17 Realtime Clock (RTC) .....................................................................519
17.1 Features............................................................................................................................. 519
17.2 Input/Output Pin ............................................................................................................... 521
17.3 Register Descriptions........................................................................................................ 521
17.3.1 64-Hz Counter (R64CNT)...................................................................................... 523
17.3.2 Second Counter (RSECCNT)................................................................................. 524
17.3.3 Minute Counter (RMINCNT) ................................................................................ 525
17.3.4 Hour Counter (RHRCNT)...................................................................................... 526
17.3.5 Day of Week Counter (RWKCNT)........................................................................ 527
17.3.6 Date Counter (RDAYCNT) ................................................................................... 528
17.3.7 Month Counter (RMONCNT)................................................................................ 529
17.3.8 Year Counter (RYRCNT) ...................................................................................... 530
17.3.9 Second Alarm Register (RSECAR) ....................................................................... 531
17.3.10 Minute Alarm Register (RMINAR) ....................................................................... 532
17.3.11 Hour Alarm Register (RHRAR)............................................................................. 533
17.3.12 Day of Week Alarm Register (RWKAR)............................................................... 534
17.3.13 Date Alarm Register (RDAYAR) .......................................................................... 535
17.3.14 Month Alarm Register (RMONAR)....................................................................... 536
17.3.15 Year Alarm Register (RYRAR) ............................................................................. 537
17.3.16 RTC Control Register 1 (RCR1)............................................................................ 537
17.3.17 RTC Control Register 2 (RCR2)............................................................................ 539
17.3.18 RTC Control Register 3 (RCR3)............................................................................ 541
17.4 Operation .......................................................................................................................... 542
17.4.1 Initial Settings of Registers after Power-On........................................................... 542
17.4.2 Setting Time........................................................................................................... 542
17.4.3 Reading Time......................................................................................................... 543
17.4.4 Alarm Function ...................................................................................................... 544
17.5 Usage Notes ...................................................................................................................... 545
17.5.1 Register Writing during RTC Count ...................................................................... 545
17.5.2 Use of Realtime Clock (RTC) Periodic Interrupts ................................................. 545
17.5.3 Transition to Standby Mode after Setting Register ................................................ 546
17.5.4 Crystal Oscillator Circuit ....................................................................................... 546
Rev. 1.00 Sep. 19, 2007 Page xvii of xlviii