Datasheet

Rev.5.00 Nov. 02, 2005 Page xv of xxxii
Section 13 Timer Z ............................................................................................175
13.1 Features.............................................................................................................................. 175
13.2 Input/Output Pins...............................................................................................................180
13.3 Register Descriptions......................................................................................................... 181
13.3.1 Timer Start Register (TSTR) ................................................................................ 182
13.3.2 Timer Mode Register (TMDR)............................................................................. 183
13.3.3 Timer PWM Mode Register (TPMR)................................................................... 184
13.3.4 Timer Function Control Register (TFCR)............................................................. 185
13.3.5 Timer Output Master Enable Register (TOER) .................................................... 187
13.3.6 Timer Output Control Register (TOCR)............................................................... 188
13.3.7 Timer Counter (TCNT)......................................................................................... 189
13.3.8 General Registers A, B, C, and D (GRA, GRB, GRC, and GRD)........................ 190
13.3.9 Timer Control Register (TCR).............................................................................. 191
13.3.10 Timer I/O Control Register (TIORA and TIORC)................................................ 192
13.3.11 Timer Status Register (TSR)................................................................................. 194
13.3.12 Timer Interrupt Enable Register (TIER)............................................................... 196
13.3.13 PWM Mode Output Level Control Register (POCR)........................................... 197
13.3.14 Interface with CPU ............................................................................................... 197
13.4 Operation ........................................................................................................................... 199
13.4.1 Counter Operation................................................................................................. 199
13.4.2 Waveform Output by Compare Match.................................................................. 203
13.4.3 Input Capture Function ......................................................................................... 207
13.4.4 Synchronous Operation......................................................................................... 210
13.4.5 PWM Mode .......................................................................................................... 211
13.4.6 Reset Synchronous PWM Mode........................................................................... 217
13.4.7 Complementary PWM Mode................................................................................ 221
13.4.8 Buffer Operation................................................................................................... 230
13.4.9 Timer Z Output Timing ........................................................................................ 237
13.5 Interrupts............................................................................................................................ 240
13.5.1 Status Flag Set Timing.......................................................................................... 240
13.5.2 Status Flag Clearing Timing................................................................................. 242
13.6 Usage Notes....................................................................................................................... 242
Section 14 Watchdog Timer ..............................................................................251
14.1 Features.............................................................................................................................. 251
14.2 Register Descriptions......................................................................................................... 251
14.2.1 Timer Control/Status Register WD (TCSRWD)................................................... 252
14.2.2 Timer Counter WD (TCWD)................................................................................ 253
14.2.3 Timer Mode Register WD (TMWD) .................................................................... 253
14.3 Operation ........................................................................................................................... 254