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| 型號： | LC86F1216A* |
| 文件頁數(shù)： | 17/21頁 |
| 文件大?。?/td> | 670K |
LC86F1216A
No.6686-17/21
Recommended Oscillation Circuit and Characteristics
The oscillation circuit characteristics in the table below are based on the following conditions:
Recommended circuit parameters are verified by an oscillator manufacturer using a Sanyo provided oscillation evaluation
board.
The characteristics are the results of the evaluation with the recommended circuit parameters connected externally.
Recommended Oscillation Circuit Parameters and Characteristics (Ta = 0
°
C to +50
°
C)
Oscillation stabilizing
time
(*)
Typ.
TmsCF
0.02ms
TssX’tal
1.00s
Frequency
Manufacturer
Oscillator
Recommended
circuit parameter
Operating supply
voltage range
Max.
6MHz
MURATA MANUFACTURING
CO., LTD.
CSA6.00MG
C1=33pF
C2=33pF
C3=20pF
C4=20pF
3.15-3.85V
0.2ms
32.768kHz
CITIZEN WATCH CO., LTD.
CFS-308
3.15-3.85V
3.00s
(*) Note: The oscillation stabilizing time period is the time until the oscillation becomes stable after the VDD becomes higher
than the minimum operating voltage.
The oscillation circuit characteristics may differ by applications. For further assistance, please contact with the oscillator
manufacturer with the following notes in your mind.
Since the oscillation frequency precision is affected by wiring capacity of the application board, etc., adjust the oscillation
frequency on the production board.
Since the oscillation circuit characteristics are affected by the noise, wiring capacity, etc., refer to the following notices.
The distance between the clock I/O terminal and external parts should be as short as possible.
The capacitors’ VSS should be allocated close to the microcontroller’s GND terminal and be away from other GND.
The signal lines with rapid state changes or the signal line with large amplitude such as middle withstand voltage port or LCD
driver output should be allocated away from the clock oscillation circuit.
The signal lines with large current should be allocated away from the oscillation circuit.
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