參數(shù)資料
型號: UPD784031YGC-8BT
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): 60/88頁
文件大?。?/td> 464K
代理商: UPD784031YGC-8BT
60
μ
PD784031Y
Oscillator Characteristics (T
A
= –40 to +85
°
C, V
DD
= +2.7 to 5.5 V, V
SS
= 0 V)
Resonator
Recommended Circuit
Parameter
MIN.
MAX.
Unit
Ceramic resonator or
crystal resonator
Oscillation frequency (f
XX
)
4
16
MHz
External clock
X1 input frequency (f
X
)
4
16
MHz
X1 input rise, fall time (t
XR
, t
XF
)
0
10
ns
X1 input high-/low-level width
(t
WXH
, t
WXL
)
10
125
ns
Caution
When using the clock oscillator, wiring in the area enclosed with the dotted line should be carried out
as follows to avoid an adverse effect from wiring capacitance.
Wiring should be as short as possible.
Wiring should not cross other signal lines.
Wiring should not be placed close to a varying high current.
The potential of the oscillator capacitor ground should be the same as V
SS1
. Do not ground it to
the ground pattern in which a high current flows.
Do not fetch a signal from the oscillator.
V
SS1
X1
X2
C2
C1
X1
X2
HCMOS
inverter
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