參數(shù)資料
型號: UPD78218A
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 20/66頁
文件大?。?/td> 510K
代理商: UPD78218A
20
μ
PD78217A, 78218A
3.4
TIMER/COUNTER UNIT
The
μ
PD78217A/78218A has a 16-bit timer/counter unit for 1 channel and 8-bit timer/counter units for 3 channels.
Table 3-2 Type and Function of Timer/Counter
2 chs
2 chs
2 chs
1 ch
–––
–––
–––
–––
–––
–––
2 chs
–––
2 chs
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
2
2
2
1
–––
–––
–––
Interval timer
External event counter
One-shot timer
Timer output
Toggle output
PWM/PPG output
One-shot pulse output
Real-time output
Pulse amplitude measurement
Number of interrupt requests
Clock source of serial interface
Unit
Type & Function
T
8-Bit Timer/
Counter 3
8-Bit Timer/
Counter 2
8-Bit Timer/
Counter 1
16-Bit Timer/
Counter
Since 7 interrupt requests are supported in total, it can also function as timer for 7 channels.
Remark
The one-shot pulse output function activates the pulse output level by software, and inactivates it by
hardware (interrupt request signal).
This function is different from the one-shot timer function of 8-bit timer/counter 2.
F
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