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11.5.3 Example of DMA Transfer between External Memory and SCIF Transmitter
(SCIT2) (Indirect Address on)............................................................................................... 356
11.6
Cautions............................................................................................................................................................. 358
Section 12 Timer (TMU)............................................................................................................................. 359
12.1
Overview ........................................................................................................................................................... 359
12.1.1 Features............................................................................................................................................. 359
12.1.2 Block Diagram............................................................................................................................... 360
12.1.3 Pin Configuration.......................................................................................................................... 361
12.1.4 Register Configuration ............................................................................................................... 361
12.2
TMU Registers ............................................................................................................................................... 362
12.2.1 Timer Output Control Register (TOCR)............................................................................ 362
12.2.2 Timer Start Register (TSTR).................................................................................................. 363
12.2.3 Timer Control Register (TCR)............................................................................................... 364
12.2.4 Timer Constant Register (TCOR)........................................................................................ 366
12.2.5 Timer Counters (TCNT)............................................................................................................ 367
12.2.6 Input Capture Register (TCPR2) .......................................................................................... 368
12.3
TMU Operation .............................................................................................................................................. 369
12.3.1 Overview........................................................................................................................................... 369
12.3.2 Basic Functions............................................................................................................................. 369
12.4
Interrupts............................................................................................................................................................ 373
12.4.1 Status Flag Set Timing.............................................................................................................. 373
12.4.2 Status Flag Clear Timing ......................................................................................................... 374
12.4.3 Interrupt Sources and Priorities.............................................................................................. 374
12.5
Usage Notes..................................................................................................................................................... 375
12.5.1 Writing to Registers .................................................................................................................... 375
12.5.2 Reading Registers ........................................................................................................................ 375
Section 13 Realtime Clock (RTC)............................................................................ 377
13.1
Overview ........................................................................................................................................................... 377
13.1.1 Features............................................................................................................................................. 377
13.1.2 Block Diagram............................................................................................................................... 377
13.1.3 Pin Configuration.......................................................................................................................... 379
13.1.4 RTC Register Configuration.................................................................................................... 379
13.2
RTC Registers ................................................................................................................................................ 380
13.2.1 64-Hz Counter (R64CNT) ........................................................................................................ 380
13.2.2 Second Counter (RSECCNT)................................................................................................. 380
13.2.3 Minute Counter (RMINCNT) ................................................................................................. 380
13.2.4 Hour Counter (RHRCNT)......................................................................................................... 381
13.2.5 Day of the Week Counter (RWKCNT)............................................................................. 381