參數資料
型號: MSM6542-01MS-K
廠商: LAPIS SEMICONDUCTOR CO LTD
元件分類: 時鐘/數據恢復及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO20
封裝: 0.250 INCH, PLASTIC, SSOP-20
文件頁數: 31/55頁
文件大?。?/td> 361K
代理商: MSM6542-01MS-K
Semiconductor
MSM6542-01/02/03
103
For the MSM6542-03
For the notes for "1, "2 and "3 and other notes
are same as for the MSM6542-01/02.
Frequency
adjustment
(1Hz)
Banks are switched
Read CF register
Dummy read to clear the test bits
Procedure for canceling data protection
Banks are switched. the stop bit is cleared
The reset bit is cleared
Dummy read to clear the IRQ FLAG bits
CF ← (1, 0, 0, 0)
Read CE' register
CE' ← (X, X, X, 0)
CF ← (0, 0, 0, 0)
CE ← (0, 0, 0, 0)
*2
*1
N
Frequency
counter
Frequency
counter
Screwdriver used
for adjustment
Eye
Y
*3
READ FLAG=1?
22
23
24
21
DP =0?
2
13
XT
VDD
Turn on power
1Hz
17
Read CC' register
N
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