SH7708 datasheet(15/633 Pages) RENESAS

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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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