參數(shù)資料
型號(hào): μPD784038Y
廠商: NEC Corp.
英文描述: 8/16 Bit Single Chip Microcontrollers(8/16 位微控制器)
中文描述: 8 / 16位單片機(jī)微控制器(8 / 16位微控制器)
文件頁數(shù): 32/70頁
文件大小: 464K
代理商: ΜPD784038Y
m
PD784035Y,784036Y,784037Y,784038Y
32
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
SS
. Do not ground to a ground pattern through which a high current flows.
Do not extract signals from the oscillation circuit.
PD784038Y
μ
V
SS
X1
X2
X1
X2
X1
X2
Open
PD784038Y
μ
PD784038Y
μ
PD74HC04, etc.
μ
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