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 










