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參數資料
| 型號： | UPD703031A |
| 廠商： | NEC Corp. |
| 英文描述： | V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| 中文描述： | V850/SB1TM 32-/16-BIT單晶片微控制器 |
| 文件頁數： | 24/56頁 |
| 文件大?。?/td> | 357K |
| 代理商： | UPD703031A |
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Data Sheet U14734EJ1V0DS00
24
μ
PD703031A, 703031AY, 703033A, 703033AY, 70F3033A, 70F3033AY
Recommended Oscillator
(1) Main system clock oscillator (T
A
= –40 to +85°C)
(a) Connection of ceramic resonator or crystal resonator
X1
X2
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Oscillation frequency
f
XX
2
20
MHz
–
Upon reset release
2
19
/f
XX
s
Oscillation stabilization time
–
Upon STOP mode release
Note
s
Note
The TYP. value differs depending on the setting of the oscillation stabilization time select register (OSTS).
Cautions 1. Main system clock oscillator operates on the output voltage of the on-chip regulator.
External clock input is prohibited.
2. When using the main system clock oscillator, wire as follows in the area enclosed by the
broken lines in the above figure to avoid an adverse effect from wiring capacitance.
Keep the wiring length as short as possible.
Do not cross the wiring with the other signal lines.
Do not route the wiring near a signal line through which a high fluctuating current flows.
Always make the ground point of the oscillator capacitor the same potential as V
SS
.
Do not ground the capacitor to a ground pattern through which a high current flows.
Do not fetch signals from the oscillator.
3. Ensure that the duty of oscillation waveform is between 5.5 and 4.5.
4. Sufficiently evaluate the matching between the
μ
PD703031A, 703031AY, 703033A, 703033AY,
70F3033A, 70F3033AY and the resonator.
相關PDF資料 |
PDF描述 |
|---|---|
| UPD703031AGC | V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD703031AGF | V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD703031AY | V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD703033A | V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD703033AGC | V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| UPD703031AGC | 制造商:NEC 制造商全稱:NEC 功能描述:V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD703031AGF | 制造商:NEC 制造商全稱:NEC 功能描述:V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD703031AY | 制造商:NEC 制造商全稱:NEC 功能描述:V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD703031AYGC | 制造商:NEC 制造商全稱:NEC 功能描述:V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
| UPD703031AYGF | 制造商:NEC 制造商全稱:NEC 功能描述:V850/SB1TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS |
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