SH7720 Datasheet, PDF (19/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

15.3.5 Timer Status Registers (TSR) ............................................................................... 524
15.3.6 Timer Counters (TCNT) ....................................................................................... 526
15.3.7 Timer General Registers (TGR)............................................................................ 526
15.3.8 Timer Start Register (TSTR) ................................................................................ 527
15.4 Operation ........................................................................................................................... 528
15.4.1 Overview............................................................................................................... 528
15.4.2 Basic Functions..................................................................................................... 529
15.4.3 Buffer Operation ................................................................................................... 534
15.4.4 PWM Modes ......................................................................................................... 536
15.4.5 Phase Counting Mode........................................................................................... 539
15.5 Usage Notes ....................................................................................................................... 545
Section 16 Compare Match Timer (CMT) ..........................................................547
16.1 Features.............................................................................................................................. 547
16.2 Register Descriptions ......................................................................................................... 549
16.2.1 Compare Match Timer Start Register (CMSTR) .................................................. 550
16.2.2 Compare Match Timer Control/Status Register (CMCSR) .................................. 551
16.2.3 Compare Match Timer Counter (CMCNT) .......................................................... 553
16.2.4 Compare Match Timer Constant Register (CMCOR)........................................... 553
16.3 Operation ........................................................................................................................... 554
16.3.1 Counter Operation................................................................................................. 554
16.3.2 Counter Size.......................................................................................................... 555
16.3.3 Timing for Counting by CMCNT ......................................................................... 556
16.3.4 DMA Transfer Requests and Internal Interrupt Requests to CPU ........................ 556
16.3.5 Compare Match Flag Set Timing (All Channels) ................................................. 557
Section 17 Realtime Clock (RTC) .......................................................................559
17.1 Features.............................................................................................................................. 559
17.2 Input/Output Pin................................................................................................................. 561
17.3 Register Descriptions ......................................................................................................... 562
17.3.1 64-Hz Counter (R64CNT) .................................................................................... 563
17.3.2 Second Counter (RSECCNT) ............................................................................... 564
17.3.3 Minute Counter (RMINCNT) ............................................................................... 565
17.3.4 Hour Counter (RHRCNT)..................................................................................... 566
17.3.5 Day of Week Counter (RWKCNT) ...................................................................... 567
17.3.6 Date Counter (RDAYCNT) .................................................................................. 568
17.3.7 Month Counter (RMONCNT) .............................................................................. 569
17.3.8 Year Counter (RYRCNT) ..................................................................................... 569
17.3.9 Second Alarm Register (RSECAR) ...................................................................... 570
17.3.10 Minute Alarm Register (RMINAR)...................................................................... 570
Rev. 3.00 Jan. 18, 2008 Page xix of lxii