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參數(shù)資料
| 型號： | M41T80M6TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SWITCH, ILLUMINATED GREEN |
| 中文描述： | 串行訪問時鐘用鬧鐘 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 122K |
| 代理商： | M41T80M6TR |
15/20
M41T80
Table 10. Square Wave Output Frequency
Full-time 32kHz Square Wave Output
The M41T80 offers the user a special 32kHz
square wave function which defaults to output on
the F
32k
pin (Pin 3) as long as V
CC
is valid, and the
oscillator is running (ST Bit = '0'). This function is
available within four seconds of initial power-up
and can only be disabled by setting the 32kE Bit to
'0' or the ST Bit to '1.' If not used, the F
32k
pin
should be disconnected and allowed to float.
Note:
The F
32k
pin is an open drain which requires
an external pull-up resistor.
Square Wave Bits
Square Wave
RS3
RS2
RS1
RS0
Frequency
Units
0
0
0
0
None
-
0
0
0
1
32.768
kHz
0
0
1
0
8.192
kHz
0
0
1
1
4.096
kHz
0
1
0
0
2.048
kHz
0
1
0
1
1.024
kHz
0
1
1
0
512
Hz
0
1
1
1
256
Hz
1
0
0
0
128
Hz
1
0
0
1
64
Hz
1
0
1
0
32
Hz
1
0
1
1
16
Hz
1
1
0
0
8
Hz
1
1
0
1
4
Hz
1
1
1
0
2
Hz
1
1
1
1
1
Hz
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