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參數(shù)資料
| 型號： | UPD17217GT |
| 廠商： | NEC Corp. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機的小型通用紅外遙控器 |
| 文件頁數(shù)： | 65/84頁 |
| 文件大?。?/td> | 350K |
| 代理商： | UPD17217GT |
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μ
PD17215, 17216, 17217, 17218
65
Resonator
Item
Conditions
MIN.
TYP.
MAX.
Unit
System Clock Oscillator Circuit Characteristics
(T
A
= –40 to +85
°
C, V
DD
= 2.0 to 5.5 V)
Recommended
Constants
Oscillation frequency
(f
x
)
*
1
1.0
4.0
8.0
MHz
Ceramic
Oscillation
stabilization time
*
2
After V
DD
reached
MIN. in oscillation
voltage range
4
ms
* 1:
2:
The oscillation frequency only indicates the oscillator characteristics.
The oscillation stabilization time is necessary for oscillation to be stabilized, after V
DD
application or STOP mode
release.
Caution:
To use a system clock oscillator circuit, perform the wiring in the area enclosed by the dotted line
in the above figure as follows, to avoid adverse wiring capacitance influences:
Keep wiring length as short as possible.
Do not cross a signal line with some other signal lines. Do not route the wiring in the vicinity of
lines through which a large current flows.
Always keep the oscillator circuit capacitor ground at the same potential as GND. Do not ground
the capacitor to a ground pattern, through which a large current flows.
Do not extract signals from the oscillator circuit.
External circuit example
X
IN
X
OUT
R 1
C 2
C 3
X
IN
X
OUT
相關PDF資料 |
PDF描述 |
|---|---|
| UPD17218 | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17218CT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17218GT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17215GT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17217CT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17218 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17218CT | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17218GT | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17225 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17225CT | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
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