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參數(shù)資料
| 型號(hào)： | UPD784031GK-BE9 |
| 廠商： | NEC Corp. |
| 英文描述： | 16/8-BIT SINGLE-CHIP MICROCONTROLLER |
| 中文描述： | 16/8-BIT單片機(jī) |
| 文件頁(yè)數(shù)： | 29/90頁(yè) |
| 文件大?。?/td> | 377K |
| 代理商： | UPD784031GK-BE9 |
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μ
PD784031
29
Figure 8-3. Examples of Using Oscillator
(1) Crystal/ceramic oscillation
V
SS1
X1
X2
PD784031
μ
(2) External clock
When EXTC bit of OSTS = 1
When EXTC bit of OSTS = 0
PD784031
μ
X1
X2
PD74HC04, etc.
μ
X1
X2
Open
PD784031
μ
Caution When using the clock generator, to avoid problems caused by influences such as stray
capacitance, run all wiring within the area indicated by the dotted lines according to the following
rules:
Minimize the wiring length.
Wires must never cross other signal lines.
Wires must never run near a line carrying a large varying current.
The grounding point of the capacitor of the oscillator circuit must always be at the same
potential as V
SS1
. Never connect the capacitor to a ground pattern carrying a large current.
Never extract a signal from the oscillator circuit.
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