參數(shù)資料
型號: MB89P637-SH
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PDIP64
封裝: SHRINK, DIP-64
文件頁數(shù): 125/153頁
文件大?。?/td> 7326K
代理商: MB89P637-SH
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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