參數(shù)資料
型號(hào): UPD784021GC-3B9
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 16/8-BIT單片機(jī)
文件頁(yè)數(shù): 32/90頁(yè)
文件大?。?/td> 614K
代理商: UPD784021GC-3B9
32
m
PD784020, 784021
Name
Timer/counter 0
Timer/counter 1
Timer/counter 2
Timer 3
Item
Count pulse width
8 bits
l
l
l
16 bits
l
l
l
l
Operating mode
Interval timer
2ch
2ch
2ch
1ch
External event counter
l
l
l
One-shot timer
l
Function
Timer output
2ch
2ch
Toggle output
l
l
PWM/PPG output
l
l
One-shot pulse output
Note
l
Real-time output
l
Pulse width measurement
1 input
1 input
2 inputs
Number of interrupt requests
2
2
2
1
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
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.
H
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