HD6417727BP160CV Datasheet, PDF (27/1098 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/ SH7700 Series

Section 15 Timer (TMU)................................................................................................... 443
15.1 Overview........................................................................................................................... 443
15.1.1 Features................................................................................................................ 443
15.1.2 Block Diagram..................................................................................................... 444
15.1.3 Register Configuration......................................................................................... 445
15.2 TMU Registers.................................................................................................................. 446
15.2.1 Timer Start Register (TSTR)................................................................................ 446
15.2.2 Timer Control Register (TCR)............................................................................. 447
15.2.3 Timer Constant Register (TCOR) ........................................................................ 448
15.2.4 Timer Counters (TCNT) ...................................................................................... 449
15.3 TMU Operation................................................................................................................. 451
15.3.1 Overview.............................................................................................................. 451
15.3.2 Basic Functions.................................................................................................... 451
15.4 Interrupts ........................................................................................................................... 453
15.4.1 Status Flag Set Timing......................................................................................... 453
15.4.2 Status Flag Clear Timing ..................................................................................... 454
15.4.3 Interrupt Sources and Priorities............................................................................ 454
15.5 Usage Notes ...................................................................................................................... 455
15.5.1 Writing to Registers ............................................................................................. 455
15.5.2 Reading Registers ................................................................................................ 455
Section 16 Realtime Clock (RTC).................................................................................. 457
16.1 Overview........................................................................................................................... 457
16.1.1 Features................................................................................................................ 457
16.1.2 Block Diagram..................................................................................................... 458
16.1.3 Pin Configuration................................................................................................. 459
16.1.4 RTC Register Configuration ................................................................................ 460
16.2 Register Descriptions ........................................................................................................ 461
16.2.1 64-Hz Counter (R64CNT) ................................................................................... 461
16.2.2 Second Counter (RSECCNT) .............................................................................. 461
16.2.3 Minute Counter (RMINCNT) .............................................................................. 462
16.2.4 Hour Counter (RHRCNT).................................................................................... 462
16.2.5 Day of the Week Counter (RWKCNT)................................................................ 463
16.2.6 Date Counter (RDAYCNT) ................................................................................. 464
16.2.7 Month Counter (RMONCNT) ............................................................................. 464
16.2.8 Year Counter (RYRCNT) .................................................................................... 465
16.2.9 Second Alarm Register (RSECAR) ..................................................................... 465
16.2.10 Minute Alarm Register (RMINAR) ..................................................................... 466
16.2.11 Hour Alarm Register (RHRAR) .......................................................................... 466
16.2.12 Day of the Week Alarm Register (RWKAR)....................................................... 467
16.2.13 Date Alarm Register (RDAYAR) ........................................................................ 467
Rev.6.00 Mar. 27, 2009 Page xxv of lvi
REJ09B0254-0600