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參數(shù)資料
| 型號： | R2033K |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | 3 wire interface Real-Time Clock ICs |
| 中文描述： | 3線接口實時時鐘芯片 |
| 文件頁數(shù)： | 48/50頁 |
| 文件大?。?/td> | 542K |
| 代理商： | R2033K |
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R2033K/T
(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)
48
*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
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R2033K-E2 | 3 wire interface Real-Time Clock ICs |
| R2033T | 3 wire interface Real-Time Clock ICs |
| R2043T | 4-wire Serial Interface |
| R2043T-E2 | 4-wire Serial Interface |
| R2043K | 4-wire Serial Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R2033K-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 |
| R2033T | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs |
| R2033T-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 |
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