參數(shù)資料
型號: UPD784038Y
廠商: NEC Corp.
英文描述: 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16-/8-bit的單晶片微控制器
文件頁數(shù): 33/94頁
文件大?。?/td> 503K
代理商: UPD784038Y
33
μ
PD784035Y, 784036Y, 784037Y, 784038Y
Figure 7-3. Example of Using Oscillation Circuit
(1) Crystal/ceramic oscillation
(2) External clock
EXTC bit of OSTS = 1
EXTC bit of OSTS = 0
Caution When using the clock oscillation circuit, wire the dotted portion in the above figure as follows
to avoid adverse influences of wiring capacitance.
Keep the wiring length as short as possible.
Do not cross the wiring with other signal lines.
Do not route the wiring in the vicinity of lines through which a high alternating current flows.
Always keep the potential at the ground point of the capacitor in the oscillation circuit the same
as V
SS1
. Do not ground to a ground pattern through which a high current flows.
Do not extract signals from the oscillation circuit.
PD784038Y
μ
V
SS1
X1
X2
X1
X2
X1
X2
Open
PD784038Y
μ
PD784038Y
μ
PD74HC04, etc.
μ
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