參數(shù)資料
型號: UPD784908
廠商: NEC Corp.
英文描述: 16-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: 16位單片機
文件頁數(shù): 36/98頁
文件大小: 657K
代理商: UPD784908
μ
PD784907, 784908
36
Data Sheet U11680EJ2V0DS00
V
SS
X1
X2
PD784908
μ
PD784908
μ
X1
X2
PD74HC04, etc.
μ
X1
X2
Open
PD784908
μ
Figure 8-3. Examples of Using Oscillator
(1) Crystal/ceramic oscillation
(2) External clock
When EXTC bit of OSTS = 1
When EXTC bit of OSTS = 0
Caution
When using the clock generator, wire in the area enclosed by the broken lines to avoid adverse
influence from capacitance.
Keep the wiring length as short as possible.
Do not cross the wiring with other signal lines.
Do not route the wiring near a signal line through which a high fluctuating current flows.
Make the ground point of the oscillator capacitor the same potential as V
SS
. Do not ground
the capacitor to a ground pattern in which a high current flows.
Do not fetch signals from the oscillator.
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