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參數(shù)資料
| 型號： | RV5C387A |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| 封裝： | 4 X 2.90 MM, 1.20 MM HEIGHT, SSOP-10 |
| 文件頁數(shù)： | 41/42頁 |
| 文件大?。?/td> | 363K |
| 代理商： | RV5C387A |
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PRELIMINARY RV5C387A
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(3) Applied Process of Reading Time and Calendar Data with Periodic Interrupt Function
Time data need not be read from all the time counters when used for such ordinary purposes as time count indication. This
applied process can be used to read time and calendar data with substantial reductions in the load involved in such reading.
For Time Indication in "Day-of-Month, Day-of-week, Hour, Minute, and Second" Format:
*2)
Other interrupts
Processes
Control Register 1
←
(XXXX0100)
Control Register 2
←
(X1X1X011)
Sec.=00
Yes
No
Use Previous Min.,Hr.,
Day,and Day-of-week data
Generate interrupt to CPU
*1)
*3)
CTFG=1
Yes
Control Register 2
←
(X1X1X011)
Read Min.,Hr.,Day,
and Day-of-week
*4)
No
*1) This step is intended to select the level
mode as a waveform mode for the
periodic interrupt function.
*2) This step must be completed within 0.5
sec.
*3) This step is intended to read time data
from all the time counters only in the
first session of reading time data after
writing time data.
*4) 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) |
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|---|---|
| RV5C387A_03 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION |
| RV5C387AE2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| RV5C387A-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
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| RV5LAYSB254A | 制造商: 功能描述: 制造商:undefined 功能描述: |
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