
Rev. 1.00 Mar. 18, 2008 Page xiv of xxiv
10.5
Operation ........................................................................................................................... 253
10.5.1 Basic Functions..................................................................................................... 253
10.5.2 Synchronous Operation......................................................................................... 259
10.5.3 Buffer Operation ................................................................................................... 261
10.5.4 PWM Modes......................................................................................................... 265
10.5.5 Phase Counting Mode........................................................................................... 269
10.6
Interrupts............................................................................................................................ 274
10.6.1 Interrupt Source and Priority ................................................................................ 274
10.6.2 A/D Converter Activation..................................................................................... 275
10.7
Operation Timing............................................................................................................... 276
10.7.1 Input/Output Timing ............................................................................................. 276
10.7.2 Interrupt Signal Timing ........................................................................................ 280
10.8
Usage Notes ....................................................................................................................... 283
10.8.1 Input Clock Restrictions ....................................................................................... 283
10.8.2 Caution on Period Setting ..................................................................................... 283
10.8.3 Conflict between TCNT Write and Clear Operations........................................... 284
10.8.4 Conflict between TCNT Write and Increment Operations ................................... 284
10.8.5 Conflict between TGR Write and Compare Match............................................... 285
10.8.6 Conflict between Buffer Register Write and Compare Match .............................. 285
10.8.7 Conflict between TGR Read and Input Capture ................................................... 286
10.8.8 Conflict between TGR Write and Input Capture .................................................. 287
10.8.9 Conflict between Buffer Register Write and Input Capture.................................. 288
10.8.10 Conflict between Overflow/Underflow and Counter Clearing ............................. 289
10.8.11 Conflict between TCNT Write and Overflow/Underflow .................................... 289
10.8.12 Multiplexing of I/O Pins ....................................................................................... 290
10.8.13 Module Stop Mode Setting ................................................................................... 290
Section 11 16-Bit Cycle Measurement Timer (TCM)....................................... 291
11.1
Features.............................................................................................................................. 291
11.2
Input/Output Pins ...............................................................................................................293
11.3
Register Descriptions ......................................................................................................... 294
11.3.1 TCM Timer Counter (TCMCNT) ......................................................................... 295
11.3.2 TCM Cycle Upper Limit Register (TCMMLCM) ................................................ 295
11.3.3 TCM Cycle Lower Limit Register (TCMMINCM).............................................. 296
11.3.4 TCM Input Capture Register (TCMICR).............................................................. 296
11.3.5 TCM Input Capture Buffer Register (TCMICRF) ................................................ 296
11.3.6 TCM Status Register (TCMCSR) ......................................................................... 297
11.3.7 TCM Control Register (TCMCR)......................................................................... 299
11.3.8 TCM Interrupt Enable Register (TCMIER).......................................................... 301