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參數(shù)資料
| 型號： | NR8576BA |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | Real-time Clock Modules |
| 中文描述： | 實時時鐘模塊 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 86K |
| 代理商： | NR8576BA |
NR8576 Series
NIPPON PRECISION CIRCUITS—7
FOUT
Disable/Enable
Note that FOE and FSEL do not have chatter elimination circuits. Consequently, switching either FOE or
FSEL during 32 kHz mode operation may generate chatter noise on the FOUT output. Also, note that the 1 Hz
and 32 kHz oscillators are not synchronized to each other, so switching intervals shortens the duty cycle.
Accordingly, a wait time (
≥
chattering time + output frequency period) should be incorporated when switching
intervals.
FOUT
t
r2
t
H
t
t
f2
10%
50%
90%
Duty=
X
100(%)
t
t
H
FOE
t
HZ
t
ZH
10%
50%
90%
50%
FOUT
FOE
t
LZ
t
ZL
10%
50%
90%
50%
FOUT
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相關代理商/技術參數(shù) |
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|---|---|
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