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參數(shù)資料
| 型號(hào)： | MB89951PFM |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 0.65 MM PITCH, QFP-64 |
| 文件頁數(shù)： | 52/110頁 |
| 文件大小： | 619K |
| 代理商： | MB89951PFM |
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HARDWARE CONFIGURATION
2– 31
(2) Register list
(3) Description of registers
At the timer function, when 1 is written at this bit, the value of the data
register is loaded to start counting down. When 0 is written, counting down
stops. At the pulse-width measurement function, when 1 is written at this
bit, the measurement-enable state is set. Under this condition, counting
down is started when the edge of the measured pulse is detected. When
0 is written at this bit during measurement, counting down stops; the count
is not transferred to the reload buffer register (RLBR).
[Bit 5] IE: Interrupt request enable bit
When bit 5 is 1, an interrupt request is output when the interrupt request
flags (UF, IR, and BF) are set.
[Bit 2] UF: Underflow interrupt request bit
Bit 2 indicates whether the timer underflowed. The meaning of each bit to
be read is as follows:
Peripherals
Address: 0014H
Address: 0015H
Address: 0016H
Address: 0017H
PCR1
PCR2
RLBR
NCCR
8 bits
R/W Pulse-width control register 1
R/W Pulse-width control register 2
R/W Reload buffer register
R/W Noise-clear control register
(a) Pulse-width control register 1 (PCR1)
PCR1
Address: 0014H
PCR2
Address: 0015H
Address: 0014H
(Initial value)
000XX000B
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
EN
—
IE
—
UF
IR
BF
(R/W)
(R)
RLBR
Address: 0016H
NCCR
Address: 0017H
[Bit 7] EN: Count enable bit
0
1
Count disable
Count enable/start
Timer function
Pulse-width measurement stop/disable
Pulse-width measurement enable/start
Pulse-width measurement function
0
1
Interrupt disabled
Interrupt enabled
0
1
No underflow
Underflow occurred
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB89953 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89953PFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB8995X | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89960 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89965 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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