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參數(shù)資料
| 型號： | R2061K |
| 英文描述： | real-time clock ICs |
| 中文描述： | 實時時鐘IC |
| 文件頁數(shù)： | 47/48頁 |
| 文件大小： | 322K |
| 代理商： | R2061K |
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R2061 Series
12345
Rev.1.00 - 47 -
(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:
Control Register 1
←
(XXXX0100)
Control Register 2
←
(X1X1X011)
*2)
Other interrupts
Processes
Sec.=00
Yes
No
Use Previous Min.,Hr.,
Day,and Day-of-week data
Generate interrupt to CPU
*1)
*3)
CTFG=1
Control Register 2
←
(X1X1X011)
Yes
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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相關代理商/技術參數(shù) |
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| R2061K01-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2061K03-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2061S02-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2062 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2062K01-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
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