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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)： | 35/54頁 |
| 文件大?。?/td> | 378K |
| 代理商： | MSM6542-03 |
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Semiconductor
MSM6542-01/02/03
102
Possible causes when the loop marked *1 or *3 takes a long time (2 or 3 seconds or more)
Oscillation is impeded by a leak due to a dirty PC board. Clean the PC board.
The capacitance of the capacitor for oscillation is inadequate. Consult the crystal
manufactuer.
Possible causes why the frequency counter is not stable.
The frequency counter is not adjusted. Observe the waveform at pin 1 on an oscilloscope.
The pattern layout is incorrect. See the description of "Pattern layout." Insert a bypass
capacitor having a capacitance of at least 1
μ
F between the V
DD
and V
SS
pins.
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| MSM6544 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:42-DOT LCD DRIVER |
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| MSM6545L | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Operatable at 0.9 V and Built-in Buzzer Circuit 4-Bit Microcontroller |
| MSM6545L-XXGS-2K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Operatable at 0.9 V and Built-in Buzzer Circuit 4-Bit Microcontroller |
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