SH7046 Datasheet, PDF (27/611 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7046 Series

Section 14 Compare Match Timer (CMT) ................................................................... 387
14.1 Features ............................................................................................................................. 387
14.2 Register Descriptions ........................................................................................................ 388
14.2.1 Compare Match Timer Start Register (CMSTR) ................................................. 388
14.2.2 Compare Match Timer Control/Status Register_0 and 1
(CMCSR_0, CMCSR_1) ..................................................................................... 389
14.2.3 Compare Match Timer Counter_0 and 1 (CMCNT_0, CMCNT_1).................... 390
14.2.4 Compare Match Timer Constant Register_0 and 1 (CMCOR_0, CMCOR_1).... 390
14.3 Operation .......................................................................................................................... 391
14.3.1 Cyclic Count Operation ....................................................................................... 391
14.3.2 CMCNT Count Timing........................................................................................ 391
14.4 Interrupts ........................................................................................................................... 392
14.4.1 Interrupt Sources.................................................................................................. 392
14.4.2 Compare Match Flag Set Timing......................................................................... 392
14.4.3 Compare Match Flag Clear Timing ..................................................................... 393
14.5 Usage Notes ...................................................................................................................... 393
14.5.1 Contention between CMCNT Write and Compare Match................................... 393
14.5.2 Contention between CMCNT Word Write and Incrementation .......................... 394
14.5.3 Contention between CMCNT Byte Write and Incrementation ............................ 395
Section 15 Motor Management Timer (MMT)........................................................... 397
15.1 Features ............................................................................................................................. 397
15.2 Input/Output Pins .............................................................................................................. 399
15.3 Register Descriptions ........................................................................................................ 400
15.3.1 Timer Mode Register (MMT_TMDR)................................................................. 401
15.3.2 Timer Control Register (TCNR) .......................................................................... 402
15.3.3 Timer Status Register (MMT_TSR) .................................................................... 404
15.3.4 Timer Counter (MMT_TCNT) ............................................................................ 405
15.3.5 Timer Buffer Registers (TBR) ............................................................................. 405
15.3.6 Timer General Registers (TGR)........................................................................... 405
15.3.7 Timer Dead Time Counters (TDCNT)................................................................. 405
15.3.8 Timer Dead Time Data Register (MMT_TDDR) ................................................ 405
15.3.9 Timer Period Buffer Register (TPBR) ................................................................. 406
15.3.10 Timer Period Data Register (TPDR).................................................................... 406
15.4 Operation .......................................................................................................................... 406
15.4.1 Sample Setting Procedure .................................................................................... 407
15.4.2 Output Protection Functions ................................................................................ 416
15.5 Interrupts ........................................................................................................................... 416
15.6 Operation Timing.............................................................................................................. 417
15.6.1 Input/Output Timing ............................................................................................ 417
15.6.2 Interrupt Signal Timing........................................................................................ 420
Rev. 4.00 Dec 05, 2005 page xxvii of xliv