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參數(shù)資料
| 型號： | MSM6542-03 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT |
| 中文描述： | 實時時鐘周期和報警輸出 |
| 文件頁數(shù)： | 43/54頁 |
| 文件大小： | 378K |
| 代理商： | MSM6542-03 |
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Semiconductor
MSM6542-01/02/03
110
(b) R-D
to R-Y
when the CAL bit is 0
C
, REST bit of C
, and C
F
(excluding the BANK 1/0 bit)
A-S
to A-M
and A-W
A-ENABLE and C
'
C
' (excluding the DP bit)
There is no restriction other than by the DP bit.
(c) BANK 1/0
This bit can be rewritten freely even when the DP bit is 1.
(d) 30-s ADJ
Method 1
C
F
register
30-s ADJ 1
Idling
Is 30-s ADJ
bit 0
Read C
F
register
Y
*
N
*At least about 100
μ
s
Method 2
Idling for 255 μs
C
F
register
30-s ADJ 1
*
*Maximum time required for 30sec adjustment under
assumption that oscillation is in progress
(e) DP
DP
←
1: Rewriting is possible 62
μ
s after the DP bit changes to 0.
DP
←
0: See "Temporarily canceling DP = 1 is a system for which DP is set at 1."
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