参数资料
型号: MB89637RPF
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP64
封装: PLASTIC, QFP-64
文件页数: 125/153页
文件大小: 7326K
代理商: MB89637RPF
MB89630 SERIES HARDWARE MANUAL
2-50
[Bit 2] UF: Underflow interrupt-request bit
Bit 2 indicates the presence or absence of timer overflow. The meaning of each bit to be read is as fol-
lows:
1 is always read when the Read Modify Write instruction is read.
The meaning of each bit to be written is as follows:
[Bit 1] IR: Bit for interrupt request at measurement termination
When the IE bit (bit 5) of the PCR1 is 1, an interrupt occurs at termination of pulse measurement. The
meaning of each bit to be read is as follows:
1 is always read when the Read Modify Write instruction is read.
The meaning of each bit to be written is as follows:
[Bit 0] BF: Buffer-full flag
When the IE bit (bit 5) of the PCR1 is 1, an interrupt occurs if any measured value is found in the RLBR.
This bit is set when the pulse-width measurement is terminated, and is cleared when data in the buffer is
read. The meaning of each bit to be read is as follows:
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