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參數(shù)資料
| 型號： | UPD17202AGF-011-3BE |
| 廠商： | NEC Corp. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No |
| 中文描述： | 4位單片機，帶有LCD控制器/驅(qū)動器和鍵掃描電路軟板前面板控制器 |
| 文件頁數(shù)： | 22/28頁 |
| 文件大?。?/td> | 131K |
| 代理商： | UPD17202AGF-011-3BE |
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22
μ
PD17202AGF-011
System Clock Oscillation Circuit Characteristics (T
A
= –20 to +75 C, V
DD
= 2.2 to 5.5 V)
Oscillator
Recommended
Constants
Parameter
Condition
MIN.
TYP.
MAX.
Unit
Ceramic
resonator
Note 1
Oscillation frequency
(f
X
)
Note 2
1.0
4.0
8.0
MHz
Oscillation stabilization
time
Note 3
After V
DD
has reached
MIN. value of oscillation
voltage range
4
ms
Crystal
resonator
Note 1
Oscillation frequency
(f
X
)
Note 2
1.0
4.0
8.0
MHz
Oscillation stabilization
time
Note 3
V
DD
= 4.5 to 6.0 V
10
ms
30
ms
Notes 1.
Use of the ceramic resonator and crystal resonator shown on the next page is recommended.
2.
The oscillation frequency only indicates the characteristics of the oscillation circuit. For the instruction
execution time, refer to
Recommended Operation Range
.
3.
The oscillation stabilization time is the time required for oscillation to stabilize after V
DD
application or
release of the STOP mode.
Caution When using the system clock oscillation circuit, wire the portion indicated by the dotted lines in
the above figures to avoid adverse influence from wiring capacitance.
Keep the wiring length as short as possible.
Do not cross the wiring with any other signal lines. Do not route the wiring in the vicinity of
a line through which a high alternating current flows.
Always keep the ground point of the capacitor of the oscillation circuit at the same potential
as GND. Do not ground the capacitor to a ground pattern through which a high current flows.
Do not extract signals from the oscillation circuit.
X
IN
X
OUT
X
IN
X
OUT
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