SH7721 datasheet(40/1524 Pages) RENESAS

40 / 1524 page

Rev. 3.00 Jan. 18, 2008 Page xl of lxii

Section 14 Timer Unit (TMU)

Figure 14.1 Block Diagram of TMU .......................................................................................... 500

Figure 14.2 Setting Count Operation.......................................................................................... 505

Figure 14.3 Auto-Reload Count Operation................................................................................. 506

Figure 14.4 Count Timing when Internal Clock is Operating .................................................... 507

Figure 14.5 Count Timing when RTC Clock is Operating ......................................................... 507

Figure 14.6 UNF Set Timing ...................................................................................................... 508

Figure 14.7 Status Flag Clear Timing......................................................................................... 508

Section 15 16-Bit Timer Pulse Unit (TPU)

Figure 15.1 Block Diagram of TPU............................................................................................ 513

Figure 15.2 Example of Counter Operation Setting Procedure .................................................. 529

Figure 15.3 Free-Running Counter Operation............................................................................ 530

Figure 15.4 Periodic Counter Operation..................................................................................... 531

Figure 15.5 Example of Setting Procedure for Waveform Output by Compare Match.............. 532

Figure 15.6 Example of 0 Output/1 Output Operation ............................................................... 533

Figure 15.7 Example of Toggle Output Operation ..................................................................... 533

Figure 15.8 Compare Match Buffer Operation........................................................................... 534

Figure 15.9 Example of Buffer Operation Setting Procedure..................................................... 535

Figure 15.10 Example of Buffer Operation ................................................................................ 536

Figure 15.11 Example of PWM Mode Setting Procedure .......................................................... 537

Figure 15.12 Example of PWM Mode Operation (1) ................................................................. 538

Figure 15.13 Examples of PWM Mode Operation (2)................................................................ 538

Figure 15.14 Example of Phase Counting Mode Setting Procedure........................................... 540

Figure 15.15 Example of Phase Counting Mode 1 Operation .................................................... 541

Figure 15.16 Example of Phase Counting Mode 2 Operation .................................................... 542

Figure 15.17 Example of Phase Counting Mode 3 Operation .................................................... 543

Figure 15.18 Example of Phase Counting Mode 4 Operation .................................................... 544

Figure 15.19 Phase Difference, Overlap, and Pulse Width in Phase Counting Mode ................ 545

Section 16 Compare Match Timer (CMT)

Figure 16.1 Block Diagram of CMT .......................................................................................... 548

Figure 16.2 Counter Operation (One-Shot Operation) ............................................................... 554

Figure 16.3 Counter Operation (Free-Running Operation) ........................................................ 555

Figure 16.4 CMF Set Timing...................................................................................................... 557

Section 17 Realtime Clock (RTC)

Figure 17.1 RTC Block Diagram................................................................................................ 560

Figure 17.2 Setting Time ............................................................................................................ 580

Figure 17.3 Reading Time .......................................................................................................... 581

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