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參數(shù)資料
| 型號(hào)： | M34282 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Single Chip 4 Bits CMOS Microcomputer(4位單片機(jī)) |
| 中文描述： | 4位單片微機(jī)的CMOS（4位單片機(jī)） |
| 文件頁數(shù)： | 10/70頁 |
| 文件大?。?/td> | 560K |
| 代理商： | M34282 |
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MITSUBISHI
ELECTRIC
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
10
MITSUBISHI MICROCOMPUTERS
4282 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Fig. 12 Auto-reload function
TIMERS
The 4282 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).
FF
16
n
00
16
n: Counter initial value
Count starts
Reload
Reload
1st underflow
2nd underflow
n+1 count
n+1 count
Time
A skip instruction is executed
Timer 1 underflow flag
T
“
1
”
“
0
”
The 4282 Group timer consists of the following circuit.
Timer 1 : 8-bit programmable timer
Timer 2 : 8-bit programmable timer
These timers can be controlled with the timer control registers
V1 and V2.
Each timer function is described below.
Table 3 Function related timer
Circuit
Timer 1
Timer 2
14-bit timer
Structure
8-bit programmable
binary down counter
8-bit programmable
binary down counter
14-bit fixed frequency
Count source
Carrier wave output (CARRY)
Bit 5 of watchdog timer
f(X
IN
)
f(X
IN
)/2
Instruction clock
Frequency
dividing ratio
1 to 256
1 to 256
16384
Use of output signal
Carrier wave output control
Carrier wave output
Watchdog timer
Timer 1 count source
Control
register
V1
V2
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| M34282E2 | SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34282E2GP | IC,CLK BUFFER,160MHZ,4 OUTPUT |
| M34501E4FP | SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34501M2 | SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M34282E2 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34282E2GP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34282M1 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34282M1-XXXGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34282M2 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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