
HD404654 Series
47
Timers
The MCU has three timer/counters (A, C, and D).
Timer A: Free-running timer
Timer C: Multifunction timer
Timer D: Multifunction timer
Timer A is an 8-bit free-running timer. Timers C and D are 8-bit multifunction timers, whose functions are
listed in table 22. The operating modes are selected by software.
Table 22 Timer Functions
Functions
Timer A
Timer C
Timer D
Clock source
Prescaler S
Available
Available
Available
External event
—
—
Available
Timer functions
Free-running
Available
Available
Available
Event counter
—
—
Available
Reload
—
Available
Available
Watchdog
—
Available
—
Input capture
—
—
Available
Timer outputs
Toggle
—
Available
Available
0 output
—
Available
Available
1 output
—
Available
Available
PWM
—
Available
Available
Note:
— means not available.