SH7720 Datasheet, PDF (18/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

13.5 Software Standby Mode..................................................................................................... 489
13.5.1 Transition to Software Standby Mode .................................................................. 489
13.5.2 Canceling Software Standby Mode ...................................................................... 489
13.6 Module Standby Function.................................................................................................. 491
13.6.1 Transition to Module Standby Function ............................................................... 491
13.6.2 Canceling Module Standby Function.................................................................... 491
13.7 STATUS Pin Change Timing ............................................................................................ 492
13.7.1 Reset ..................................................................................................................... 492
13.7.2 Software Standby Mode........................................................................................ 493
13.7.3 Sleep Mode ........................................................................................................... 494
13.8 Hardware Standby Mode ................................................................................................... 496
13.8.1 Transition to Hardware Standby Mode................................................................. 496
13.8.2 Canceling the Hardware Standby Mode ............................................................... 496
13.8.3 Hardware Standby Mode Timing.......................................................................... 497
Section 14 Timer Unit (TMU)............................................................................. 499
14.1 Features.............................................................................................................................. 499
14.2 Register Descriptions......................................................................................................... 501
14.2.1 Timer Start Register (TSTR) ................................................................................ 502
14.2.2 Timer Control Registers (TCR) ............................................................................ 503
14.2.3 Timer Constant Registers (TCOR) ....................................................................... 504
14.2.4 Timer Counters (TCNT) ....................................................................................... 504
14.3 Operation ........................................................................................................................... 505
14.3.1 Counter Operation ................................................................................................ 505
14.4 Interrupts............................................................................................................................ 508
14.4.1 Status Flag Set Timing.......................................................................................... 508
14.4.2 Status Flag Clear Timing ...................................................................................... 508
14.4.3 Interrupt Sources and Priorities ............................................................................ 509
14.5 Usage Notes ....................................................................................................................... 510
14.5.1 Writing to Registers .............................................................................................. 510
14.5.2 Reading Registers ................................................................................................. 510
Section 15 16-Bit Timer Pulse Unit (TPU) ......................................................... 511
15.1 Features.............................................................................................................................. 511
15.2 Input/Output Pins............................................................................................................... 514
15.3 Register Descriptions......................................................................................................... 515
15.3.1 Timer Control Registers (TCR) ............................................................................ 516
15.3.2 Timer Mode Registers (TMDR) ........................................................................... 520
15.3.3 Timer I/O Control Registers (TIOR) .................................................................... 521
15.3.4 Timer Interrupt Enable Registers (TIER) ............................................................. 523
Rev. 3.00 Jan. 18, 2008 Page xviii of lxii