SH7708 Datasheet, PDF (15/633 Pages) Renesas Technology Corp – SuperH™ RISC engine

11.2.2 Timer Start Register (TSTR)................................................................................ 305
11.2.3 Timer Control Register (TCR) ............................................................................. 306
11.2.4 Timer Constant Register (TCOR) ........................................................................ 309
11.2.5 Timer Counters (TCNT)....................................................................................... 310
11.2.6 Input Capture Register (TCPR2).......................................................................... 311
11.3 TMU Operation ................................................................................................................. 312
11.3.1 Overview .............................................................................................................. 312
11.3.2 Basic Functions .................................................................................................... 312
11.4 Interrupts............................................................................................................................ 316
11.4.1 Status Flag Set Timing ......................................................................................... 316
11.4.2 Status Flag Clear Timing...................................................................................... 317
11.4.3 Interrupt Sources and Priorities............................................................................ 317
11.5 Usage Notes ....................................................................................................................... 318
11.5.1 Writing to Registers.............................................................................................. 318
11.5.2 Reading Registers................................................................................................. 318
11.5.3 Clearing UNF in the TCR Register ...................................................................... 318
Section 12 Realtime Clock (RTC) .................................................................................. 319
12.1 Overview............................................................................................................................ 319
12.1.1 Features ................................................................................................................ 319
12.1.2 Block Diagram...................................................................................................... 319
12.1.3 Pin Configuration ................................................................................................. 321
12.1.4 RTC Register Configuration ................................................................................ 322
12.2 RTC Registers.................................................................................................................... 322
12.2.1 64-Hz Counter (R64CNT).................................................................................... 322
12.2.2 Second Counter (RSECCNT)............................................................................... 323
12.2.3 Minute Counter (RMINCNT) .............................................................................. 323
12.2.4 Hour Counter (RHRCNT) .................................................................................... 324
12.2.5 Day of the Week Counter (RWKCNT)................................................................ 324
12.2.6 Date Counter (RDAYCNT).................................................................................. 325
12.2.7 Month Counter (RMONCNT).............................................................................. 326
12.2.8 Year Counter (RYRCNT) .................................................................................... 326
12.2.9 Second Alarm Register (RSECAR)...................................................................... 327
12.2.10 Minute Alarm Register (RMINAR) ..................................................................... 327
12.2.11 Hour Alarm Register (RHRAR)........................................................................... 328
12.2.12 Day of the Week Alarm Register (RWKAR)....................................................... 328
12.2.13 Date Alarm Register (RDAYAR) ........................................................................ 329
12.2.14 Month Alarm Register (RMONAR) .................................................................... 330
12.2.15 RTC Control Register 1 (RCR1).......................................................................... 330
12.2.16 RTC Control Register 2 (RCR2).......................................................................... 332
12.3 RTC Operation .................................................................................................................. 333
12.3.1 Initial Settings of Registers after Power-On ........................................................ 333
12.3.2 Setting the Time ................................................................................................... 333
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