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UPD784218 Datasheet, PDF (35/92 Pages) NEC – 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS | |||
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µPD784218, 784218Y
8.4 Timer/Event Counter
One unit of 16-bit timer/event counters and six units of 8-bit timer/event counters are provided.
Because a total of eight interrupt requests are supported, these timer/event counters can be used as eight units
of timers/counters.
Table 8-2. Operations of Timer/Event Counters
Item
Count width
Operation mode
Function
Name
16-Bit
8-Bit
8-Bit
8-Bit
8-Bit
8-Bit
8-Bit
Timer/Event Timer/Event Timer/Event Timer/Event Timer/Event Timer/Event Timer/Event
Counter Counter 1 Counter 2 Counter 5 Counter 6 Counter 7 Counter 8
8 bits
â
â
â
â
â
â
â
16 bits
â
â
â
â
Interval timer
1 ch 1 ch 1 ch 1 ch 1 ch 1 ch 1 ch
External event counter
â
â
â
â
â
â
â
Timer output
1 ch 1 ch 1 ch 1 ch 1 ch 1 ch 1 ch
PPG output
â
â
â
â
â
â
â
PWM output
â
â
â
â
â
â
â
Square wave output
â
â
â
â
â
â
â
One-shot pulse output
â
â
â
â
â
â
â
Pulse width measurement
2 inputs â
â
â
â
â
â
Number of interrupt requests
2
1
1
1
1
1
1
Data Sheet U12304EJ2V0DS00
35
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