Datasheet

Rev. 6.00 Mar. 18, 2010 Page xxx of lx
REJ09B0054-0600
12.3.5 Timer Control/Status Register (TCSR)................................................................447
12.4 Operation ..........................................................................................................................452
12.4.1 Pulse Output.........................................................................................................452
12.5 Operation Timing..............................................................................................................453
12.5.1 TCNT Incrementation Timing.............................................................................453
12.5.2 Timing of CMFA and CMFB Setting when a Compare-Match Occurs ..............454
12.5.3 Timing of Timer Output when a Compare-Match Occurs...................................455
12.5.4 Timing of Compare-Match Clear when a Compare-Match Occurs.....................455
12.5.5 TCNT External Reset Timing..............................................................................456
12.5.6 Timing of Overflow Flag (OVF) Setting .............................................................456
12.6 Operation with Cascaded Connection...............................................................................457
12.6.1 16-Bit Count Mode..............................................................................................457
12.6.2 Compare-Match Count Mode ..............................................................................457
12.7 Interrupt Sources...............................................................................................................458
12.7.1 Interrupt Sources and DTC Activation ................................................................458
12.7.2 A/D Converter Activation....................................................................................458
12.8 Usage Notes ......................................................................................................................459
12.8.1 Contention between TCNT Write and Clear........................................................459
12.8.2 Contention between TCNT Write and Increment ................................................459
12.8.3 Contention between TCOR Write and Compare-Match......................................460
12.8.4 Contention between Compare-Matches A and B.................................................461
12.8.5 Switching of Internal Clocks and TCNT Operation.............................................461
12.8.6 Contention between Interrupts and Module Stop Mode ......................................463
12.8.7 Mode Setting of Cascaded Connection................................................................463
Section 13 Watchdog Timer (WDT) .................................................................465
13.1 Features.............................................................................................................................465
13.2 Input/Output Pins..............................................................................................................467
13.3 Register Descriptions........................................................................................................467
13.3.1 Timer Counter (TCNT)........................................................................................468
13.3.2 Timer Control/Status Register (TCSR)................................................................468
13.3.3 Reset Control/Status Register (RSTCSR) (only WDT_0)...................................472
13.4 Operation ..........................................................................................................................473
13.4.1 Watchdog Timer Mode........................................................................................473
13.4.2 Interval Timer Mode............................................................................................474
13.4.3 Timing of Setting Overflow Flag (OVF) .............................................................475
13.4.4 Timing of Setting Watchdog Timer Overflow Flag (WOVF) .............................476
13.5 Interrupt Sources...............................................................................................................476
13.6 Usage Notes ......................................................................................................................477
13.6.1 Notes on Register Access.....................................................................................477