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參數(shù)資料
| 型號(hào)： | MSM62X42B |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Real Time Clock IC With Built-In Crystal(具有內(nèi)置晶振的實(shí)時(shí)時(shí)鐘電路) |
| 中文描述： | 實(shí)時(shí)時(shí)鐘芯片，配有水晶（具有內(nèi)置晶振的實(shí)時(shí)時(shí)鐘電路） |
| 文件頁數(shù)： | 19/27頁 |
| 文件大?。?/td> | 204K |
| 代理商： | MSM62X42B |
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Semiconductor
MSM62X42B
59
IRQ FLAG=0
WAIT t
IRQ FLAG
←
0
t
1
←
t
0
←
ITRPT/STND
←
MASK
←
*1
*2
1
0
NO
YES
Initial setting only at power On
*1 and *2 represent the minimum required time unit.
t : 12 hour mode 35μs
24 hour mode 3μs
Retried the reading since a carry occurred during the operation.
Do this process within the following time requirements
by combination between t
1
and t
0
.
t
1
=0, t
0
=1 within 1 second
t
1
=1, t
0
=0 within 1 minute
t
1
=1, t
0
=1 within 1 hour
TIME DATA READ
See Note below
REGISTER C
D
READ
Normal read
(Note)
Reading method 2 in the case of not using HOLD bit
t
1
=0 and t
0
=1 when required to a unit of second
t
1
=1 and t
0
=0 when required to a unit of minute
t
1
=1 and t
0
=1 when required to a unit of hour
For example
~
Note
NO
YES
DATA1=DATA2
Reading from
Registers S1~W
Reading from
Registers S1~W
DATA1
¨
Data of
Registers
S
1
~ W
DATA2
¨
Data of
Registers
S
1
~ W
First
Second
END
The reason why the registers are read
twice is to avoid the case during the
variation of information because a
carry has occurred accidentlly.
*
Reading method 1 in the case of not using HOLD bit
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|---|---|
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