Datasheet

Rev.7.00 Dec. 24, 2008 Page xxvii of liv
REJ09B0074-0700
9.3 Register Descriptions ........................................................................................................ 278
9.3.1 Timer Control Register (TCR)............................................................................. 279
9.3.2 Timer Mode Register (TMDR)............................................................................ 282
9.3.3 Timer I/O Control Register (TIOR) ..................................................................... 284
9.3.4 Timer Interrupt Enable Register (TIER) .............................................................. 293
9.3.5 Timer Status Register (TSR)................................................................................ 294
9.3.6 Timer Counter (TCNT)........................................................................................ 297
9.3.7 Timer General Register (TGR) ............................................................................ 297
9.3.8 Timer Start Register (TSTR)................................................................................ 297
9.3.9 Timer Synchro Register (TSYR) ......................................................................... 298
9.4 Interface to Bus Master ..................................................................................................... 299
9.4.1 16-Bit Registers ................................................................................................... 299
9.4.2 8-Bit Registers ..................................................................................................... 299
9.5 Operation........................................................................................................................... 301
9.5.1 Basic Functions.................................................................................................... 301
9.5.2 Synchronous Operation........................................................................................ 307
9.5.3 Buffer Operation .................................................................................................. 309
9.5.4 PWM Modes ........................................................................................................ 313
9.5.5 Phase Counting Mode .......................................................................................... 317
9.6 Interrupts........................................................................................................................... 322
9.6.1 Interrupt Source and Priority................................................................................ 322
9.6.2 DMAC Activation................................................................................................ 323
9.6.3 A/D Converter Activation.................................................................................... 323
9.7 Operation Timing.............................................................................................................. 324
9.7.1 Input/Output Timing ............................................................................................ 324
9.7.2 Interrupt Signal Timing........................................................................................ 327
9.8 Usage Notes ...................................................................................................................... 331
Section 10 Watchdog Timer (WDT).............................................................................. 339
10.1 Features............................................................................................................................. 339
10.2 Register Descriptions ........................................................................................................ 340
10.2.1 Timer Counter (TCNT)........................................................................................ 340
10.2.2 Timer Control/Status Register (TCSR)................................................................ 340
10.2.3 Reset Control/Status Register (RSTCSR)............................................................ 342
10.3 Operation........................................................................................................................... 343
10.3.1 Watchdog Timer Mode ........................................................................................ 343
10.3.2 Timing of Setting of Watchdog Timer Overflow Flag (WOVF) ......................... 344
10.3.3 Interval Timer Mode............................................................................................ 344
10.3.4 Timing of Setting of Overflow Flag (OVF)......................................................... 345
10.4 Interrupts........................................................................................................................... 345
10.5 Usage Notes ...................................................................................................................... 346