Rev. 3.00, 03/04, page xvi of xl
11.5.4
Input Capture Input Timing.................................................................................292
11.5.5
Buffered Input Capture Input Timing..................................................................293
11.5.6
Timing of Input Capture Flag (ICF) Setting........................................................294
11.5.7
Timing of Output Compare Flag (OCF) setting...................................................295
11.5.8
Timing of FRC Overflow Flag (OVF) Setting.....................................................295
11.5.9
Automatic Addition Timing.................................................................................296
11.5.10
Mask Signal Generation Timing..........................................................................296
11.6
Interrupt Sources...............................................................................................................298
11.7
Usage Notes......................................................................................................................299
11.7.1
Conflict between FRC Write and Clear...............................................................299
11.7.2
Conflict between FRC Write and Increment........................................................300
11.7.3
Conflict between OCR Write and Compare-Match.............................................301
11.7.4
Switching of Internal Clock and FRC Operation.................................................302
Section 12 8-Bit Timer (TMR)..........................................................................305
12.1
Features.............................................................................................................................305
12.2
Input/Output Pins..............................................................................................................308
12.3
Register Descriptions........................................................................................................309
12.3.1
Timer Counter (TCNT)........................................................................................309
12.3.2
Time Constant Register A (TCORA) ..................................................................310
12.3.3
Time Constant Register B (TCORB)...................................................................310
12.3.4
Timer Control Register (TCR).............................................................................311
12.3.5
Timer Control/Status Register (TCSR)................................................................314
12.3.6
Input Capture Register (TICR)............................................................................319
12.3.7
Time Constant Register C (TCORC)...................................................................319
12.3.8
Input Capture Registers R and F (TICRR and TICRF)........................................319
12.3.9
Timer Input Select Register (TISR).....................................................................320
12.3.10
Timer Connection Register I (TCONRI).............................................................320
12.3.11
Timer Connection Register S (TCONRS) ...........................................................321
12.4
Operation ..........................................................................................................................322
12.4.1
Pulse Output ........................................................................................................322
12.5
Operation Timing..............................................................................................................323
12.5.1
TCNT Count Timing ...........................................................................................323
12.5.2
Timing of CMFA and CMFB Setting at Compare-Match...................................323
12.5.3
Timing of Timer Output at Compare-Match........................................................324
12.5.4
Timing of Counter Clear at Compare-Match.......................................................324
12.5.5
TCNT External Reset Timing..............................................................................325
12.5.6
Timing of Overflow Flag (OVF) Setting.............................................................325
12.6
TMR_0 and TMR_1 Cascaded Connection......................................................................326
12.6.1
16-Bit Count Mode..............................................................................................326
12.6.2
Compare-Match Count Mode..............................................................................326
12.7
Input Capture Operation ...................................................................................................327
12.8
Interrupt Sources...............................................................................................................329