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參數(shù)資料
| 型號(hào)： | M34280E1GP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | 0.225 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20 |
| 文件頁(yè)數(shù)： | 5/48頁(yè) |
| 文件大小： | 605K |
| 代理商： | M34280E1GP |
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10
MITSUBISHI MICROCOMPUTERS
4280 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
Fig. 12 Auto-reload function
TIMERS
The 4280 Group has the programmable timer.
Programmable timer
The programmable timer has a reload register and enables
the frequency dividing ratio to be set. It is decremented from a
setting value n. When it underflows (count to n + 1), a timer 1
underflow flag is set to “1,” new data is loaded from the reload
register, and count continues (auto-reload function).
FF16
n
0016
n : Counter initial value
Count starts
Reload
1st underflow
2nd underflow
n+1 count
Time
A skip instruction is executed.
Timer 1 underflow flag
The
contents
of
counter
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