HD6417706 Datasheet, PDF (36/709 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

Figure 9.25 Timing Chart of Source Address Reload Function.................................................. 279
Figure 9.26 CMT Block Diagram............................................................................................... 282
Figure 9.27 Counter Operation ................................................................................................... 285
Figure 9.28 Count Timing .......................................................................................................... 285
Figure 9.29 CMF Set Timing...................................................................................................... 286
Figure 9.30 Timing of CMF Clear by the CPU .......................................................................... 286
Section 10 Clock Pulse Generator (CPG)
Figure 10.1 Block Diagram of Clock Pulse Generator ............................................................... 292
Figure 10.2 Points for Attention when Using Crystal Oscillator ................................................ 301
Figure 10.3 Points for Attention when Using PLL Oscillator Circuit ........................................ 302
Section 11 Watchdog Timer (WDT)
Figure 11.1 Block Diagram of the WDT .................................................................................... 303
Figure 11.2 Writing to WTCNT and WTCSR............................................................................ 306
Section 12 Timer Unit(TMU)
Figure 12.1 TMU Block Diagram............................................................................................... 310
Figure 12.2 Setting the Count Operation .................................................................................... 319
Figure 12.3 Auto-Reload Count Operation................................................................................. 320
Figure 12.4 Count Timing when Internal Clock Is Operating .................................................... 320
Figure 12.5 Count Timing when External Clock is Operating (Both Edges Detected) .............. 321
Figure 12.6 Count Timing when On-Chip RTC Clock Is Operating .......................................... 321
Figure 12.7 Operation Timing when Using the Input Capture Function
(Using TCLK Rising Edge) ..................................................................................... 322
Figure 12.8 UNF Set Timing ...................................................................................................... 323
Figure 12.9 Status Flag Clear Timing......................................................................................... 323
Section 13 Realtime Clock (RTC)
Figure 13.1 RTC Block Diagram................................................................................................ 326
Figure 13.2 Setting the Time ...................................................................................................... 341
Figure 13.3 Reading the Time .................................................................................................... 342
Figure 13.4 Using the Alarm Function ....................................................................................... 343
Figure 13.5 Example of Crystal Oscillator Circuit Connection .................................................. 344
Figure 13.6 Using Periodic Interrupt Function ........................................................................... 345
Section 14 Serial Communication Interface (SCI)
Figure 14.1 SCI Block Diagram ................................................................................................. 348
Figure 14.2 SCPT[1]/SCK0 Pin.................................................................................................. 349
Figure 14.3 SCPT[0]/TxD0 Pin .................................................................................................. 350
Figure 14.4 SCPT[0]/RxD0 Pin.................................................................................................. 350
Figure 14.5 Data Format in Asynchronous Communication ...................................................... 374
Figure 14.6 Output Clock and Serial Data Timing (Asynchronous Mode) ................................ 376
Figure 14.7 Sample Flowchart for SCI Initialization.................................................................. 376
Figure 14.8 Sample Flowchart for Transmitting Serial Data ...................................................... 377
Figure 14.9 SCI Transmit Operation in Asynchronous Mode .................................................... 378
Rev. 4.00, 03/04, page xxxvi of xlvi