
viii
10.1.2 Block Diagram ...................................................................................................... 345
10.1.3 Pin Configuration .................................................................................................. 346
10.1.4 Register Configuration .......................................................................................... 347
10.2
Register Descriptions.......................................................................................................... 348
10.2.1 Timer Control Register (TCR) .............................................................................. 348
10.2.2 Timer Mode Register (TMDR) ............................................................................. 352
10.2.3 Timer I/O Control Register (TIOR) ...................................................................... 354
10.2.4 Timer Interrupt Enable Register (TIER) ............................................................... 361
10.2.5 Timer Status Register (TSR) ................................................................................. 363
10.2.6 Timer Counter (TCNT) ......................................................................................... 366
10.2.7 Timer General Register (TGR) ............................................................................. 367
10.2.8 Timer Start Register (TSTR)................................................................................. 367
10.2.9 Timer Synchro Register (TSYR) .......................................................................... 368
10.2.10 Module Stop Control Register A (MSTPCRA) .................................................... 369
10.3
Interface to Bus Master ...................................................................................................... 370
10.3.1 16-Bit Registers..................................................................................................... 370
10.3.2 8-Bit Registers....................................................................................................... 370
10.4
Operation ............................................................................................................................ 372
10.4.1 Overview ............................................................................................................... 372
10.4.2 Basic Functions ..................................................................................................... 373
10.4.3 Synchronous Operation ......................................................................................... 379
10.4.4 Buffer Operation ................................................................................................... 381
10.4.5 PWM Modes ......................................................................................................... 385
10.4.6 Phase Counting Mode ........................................................................................... 390
10.5
Interrupts ............................................................................................................................ 395
10.5.1 Interrupt Sources and Priorities............................................................................. 395
10.5.2 DTC Activation ..................................................................................................... 396
10.6
Operation Timing ............................................................................................................... 397
10.6.1 Input/Output Timing ............................................................................................. 397
10.6.2 Interrupt Signal Timing ......................................................................................... 401
10.7
Usage Notes........................................................................................................................ 405
Section 11 Watchdog Timer (WDT)............................................................................... 415
11.1
Overview ............................................................................................................................ 415
11.1.1 Features ................................................................................................................. 415
11.1.2 Block Diagram ...................................................................................................... 416
11.1.3 Register Configuration .......................................................................................... 417
11.2
Register Descriptions.......................................................................................................... 418
11.2.1 Timer Counter (TCNT) ......................................................................................... 418
11.2.2 Timer Control/Status Register (TCSR) ................................................................. 418
11.2.3 Reset Control/Status Register (RSTCSR) ............................................................. 420
11.2.4 Notes on Register Access...................................................................................... 422
11.3
Operation ............................................................................................................................ 424