
Rev. 1.00 Mar. 02, 2006 Page xvi of xl
10.5.4
PWM Modes..................................................................................................... 271
10.5.5
Phase Counting Mode....................................................................................... 275
10.6
Interrupts........................................................................................................................... 280
10.6.1
Interrupt Source and Priority ............................................................................ 280
10.6.2
A/D Converter Activation................................................................................. 281
10.7
Operation Timing.............................................................................................................. 282
10.7.1
Input/Output Timing ......................................................................................... 282
10.7.2
Interrupt Signal Timing .................................................................................... 286
10.8
Usage Notes ...................................................................................................................... 289
10.8.1
Input Clock Restrictions ................................................................................... 289
10.8.2
Caution on Period Setting ................................................................................. 289
10.8.3
Conflict between TCNT Write and Clear Operations....................................... 290
10.8.4
Conflict between TCNT Write and Increment Operations ............................... 290
10.8.5
Conflict between TGR Write and Compare Match........................................... 291
10.8.6
Conflict between Buffer Register Write and Compare Match .......................... 291
10.8.7
Conflict between TGR Read and Input Capture ............................................... 292
10.8.8
Conflict between TGR Write and Input Capture .............................................. 293
10.8.9
Conflict between Buffer Register Write and Input Capture.............................. 293
10.8.10
Conflict between Overflow/Underflow and Counter Clearing ......................... 294
10.8.11
Conflict between TCNT Write and Overflow/Underflow ................................ 295
10.8.12
Multiplexing of I/O Pins ................................................................................... 295
10.8.13
Module Stop Mode Setting ............................................................................... 295
Section 11 8-Bit Timer (TMR).......................................................................... 297
11.1
Features............................................................................................................................. 297
11.2
Input/Output Pins.............................................................................................................. 300
11.3
Register Descriptions........................................................................................................ 300
11.3.1
Timer Counter (TCNT)..................................................................................... 302
11.3.2
Time Constant Register A (TCORA)................................................................ 302
11.3.3
Time Constant Register B (TCORB) ................................................................ 302
11.3.4
Timer Control Register (TCR).......................................................................... 303
11.3.5
Timer Control/Status Register (TCSR)............................................................. 307
11.3.6
Time Constant Register C (TCORC) ................................................................ 312
11.3.7
Input Capture Registers R and F (TICRR and TICRF)..................................... 312
11.3.8
Timer Connection Register I (TCONRI) .......................................................... 313
11.3.9
Timer Connection Register S (TCONRS) ........................................................ 313
11.3.10
Timer XY Control Register (TCRXY) ............................................................. 314
11.4
Operation .......................................................................................................................... 315
11.4.1
Pulse Output...................................................................................................... 315
11.5
Operation Timing.............................................................................................................. 316