參數(shù)資料
型號(hào)： RV5C339
廠(chǎng)商： Ricoh Co., Ltd.
英文描述： 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
中文描述： 3線(xiàn)串行接口實(shí)時(shí)時(shí)鐘IC，帶有電壓檢測(cè)功能
文件頁(yè)數(shù)： 42/51頁(yè)
文件大?。?/td> 421K
代理商： RV5C339
RV5C339A
44
8.3 Reading Time and Calendar Data
8.3-1 Ordinary Process of Reading Time and Calendar Data
Wait for 31
s
Read from Time Counter
and Calendar Counter
*
1
8.3-2 Basic Process of Reading Time and Calendar Data Synchronized with Periodic Interrupt
CTFG=1?
Other Interrupt
Processes
Generate Interrupt in CPU
Write “
×,1,×,1,×,0,1,1”
to Control Register 2
Set Periodic Interrupt
Cycle Selection Bits
YES
NO
Read from Time Counter
and Calendar Counter
*
1
*
2
*
3
*1) This step of waiting is detailed in “1.5 Considerations in Reading and
Writing Time Data”.
*1) This step is intended to select the level mode as a waveform mode for the
periodic interrupt function.
*2) If this step is completed within 1 second, the step of waiting described in
“8.3-1 Ordinary Process of Reading Time and Calendar Data” above need
not be conducted. This step is detailed in “1.5 Considerations in Reading
and Writing Time Data”.
*3) This step is intended to set the CTFG bit to 0 in the control register 2 to
cancel an interrupt to the CPU.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RV5C339A 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RV5C339A_03 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION
RV5C339A-E2 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RV5C348A 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RV5C348B 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
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