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參數(shù)資料
| 型號(hào)： | M41T94MQ6TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO16 |
| 封裝： | PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 21/40頁 |
| 文件大?。?/td> | 328K |
| 代理商： | M41T94MQ6TR |
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Clock operations
M41T94
4.13
Initial power-on defaults
Upon initial application of power to the device, the following register bits are set to a '0' state:
Watchdog register, TR, FT, AFE, ABE, and SQWE. The following bits are set to a '1' state:
ST, OUT, and HT (see Table 9: Default values).
Table 8.
tREC definitions
tREC bit (TR)
STOP bit (ST)
tREC time
Units
Min
Max
00
96
98
ms
01
40
200(1)
1.
Default Setting
ms
1
X
50
2000
s
Table 9.
Default values
Condition
TR
ST
HT
Out
FT
AFE
ABE
SQWE
WATCHDOG
register(1)
1.
BMB0-BMB4, RB0, RB1.
Initial power-up
(battery attach for
SNAPHAT)(2)
2.
State of other Control bits undefined.
01
1100
0
Subsequent power-up
(with battery back-up)(3)
3.
UC = Unchanged
UC
1
UC
0
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