12.4.1 Counter Operation ............................................................................................ 187
12.4.2 Waveform Output by Compare Match.............................................................. 191
12.4.3 Input Capture Function ..................................................................................... 195
12.4.4 Synchronous Operation..................................................................................... 198
12.4.5 PWM Mode ...................................................................................................... 200
12.4.6 Reset Synchronous PWM Mode....................................................................... 206
12.4.7 Complementary PWM Mode............................................................................ 210
12.4.8 Buffer Operation............................................................................................... 221
12.4.9 Timer Z Output Timing .................................................................................... 229
12.5 Interrupts........................................................................................................................... 232
12.5.1 Status Flag Set Timing...................................................................................... 232
12.5.2 Status Flag Clearing Timing ............................................................................. 234
12.6 Usage Notes ...................................................................................................................... 235
Section 13 Watchdog Timer.............................................................................. 245
13.1 Features............................................................................................................................. 245
13.2 Register Descriptions........................................................................................................ 246
13.2.1 Timer Control/Status Register WD (TCSRWD) .............................................. 246
13.2.2 Timer Counter WD (TCWD)............................................................................ 248
13.2.3 Timer Mode Register WD (TMWD) ................................................................ 248
13.3 Operation .......................................................................................................................... 249
Section 14 Serial Communication Interface 3 (SCI3)....................................... 251
14.1 Features............................................................................................................................. 251
14.2 Input/Output Pins.............................................................................................................. 254
14.3 Register Descriptions........................................................................................................ 254
14.3.1 Receive Shift Register (RSR) ........................................................................... 255
14.3.2 Receive Data Register (RDR)........................................................................... 255
14.3.3 Transmit Shift Register (TSR) .......................................................................... 255
14.3.4 Transmit Data Register (TDR).......................................................................... 255
14.3.5 Serial Mode Register (SMR) ............................................................................ 256
14.3.6 Serial Control Register 3 (SCR3) ..................................................................... 257
14.3.7 Serial Status Register (SSR) ............................................................................. 259
14.3.8 Bit Rate Register (BRR) ................................................................................... 261
14.4 Operation in Asynchronous Mode .................................................................................... 270
14.4.1 Clock................................................................................................................. 270
14.4.2 SCI3 Initialization............................................................................................. 271
14.4.3 Data Transmission ............................................................................................ 272
14.4.4 Serial Data Reception ....................................................................................... 274
14.5 Operation in Clocked Synchronous Mode ........................................................................ 278
Rev. 4.00 Mar. 15, 2006 Page xiv of xxxii