UPD784031 Datasheet, PDF (31/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER

µPD784031
8.4 Timers/Counters
Three timer/counter units and one timer unit are incorporated.
Moreover, seven interrupt requests are supported, allowing these units to function as seven timer/counter units.
Table 8-2. Timer/Counter Operation
Item
Name
Timer/counter 0 Timer/counter 1 Timer/counter 2
Count pulse width 8 bits
-
o
o
16 bits
o
o
o
Operating mode Interval timer
2ch
2ch
2ch
External event counter
o
o
o
One-shot timer
-
-
o
Function
Timer output
2ch
-
2ch
Toggle output
o
-
o
PWM/PPG output
o
-
o
One-shot pulse output^Note
o
-
-
Real-time output
-
o
-
Pulse width measurement
1 input
1 input
2 inputs
Number of interrupt requests
2
2
2
Timer 3
o
o
1ch
-
-
-
-
-
-
-
-
1
Note The one-shot pulse output function makes the level of a pulse output active by software, and makes the
level of a pulse output inactive by hardware (interrupt request signal).
Note that this function differs from the one-shot timer function of timer/counter 2.
31