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參數(shù)資料
| 型號： | LC651154F |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Four-Bit CMOS Microcontrollers for Small-Scale Control Applications |
| 中文描述： | 4位CMOS微控制器的小規(guī)?？刂浦械膽?yīng)用 |
| 文件頁數(shù)： | 38/39頁 |
| 文件大?。?/td> | 336K |
| 代理商： | LC651154F |
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3. RES: Reset pin
Keep the length of lines (Lres in the figure) from the RES pin to external circuits as short as possible.
Keep the length of the lines (L1 and L2) to the capacitor (Cres) inserted between RES and V
SS
as short as possible.
4. TEST: Test pin
Keep the length of the line (L) from the TEST pin to the V
SS
pin as short as possible.
Run the line from the TEST pin to the V
SS
pin as close to the V
SS
pin as possible.
5. AD0 to AD7: Analog input pins
Analog input pin lines, such as those used to connect to an A/D converter input pin or a comparator input pin should
be connected so as to meet the following conditions.
Keep the line (L1) between the limiting resistor (Rl) and the analog input pin as short as possible.
Locate the capacitor inserted between the analog input pins and the AV- pin (the A/D converter reference voltage
input pin) as close as possible to the AV- input pin. That is, make the line length L1 + L2 as short as possible.
6. I/O pins
All of the pins on these products function as both input and output pins.
When used as an input pin, insert a limiting resistor, and keep the length of the line to that pin as short as possible.
Supplement: This is not only useful in printed circuit board design, but is also useful in preventing and avoiding
problems (such as incorrect microcontroller operation and program failures) by taking the program specifications
and microcontroller option selections described below into consideration.
If signals are input from external sources when the microcontroller power supply is unstable, select the medium-
voltage handling capacity (n-channel open drain) output as the output type option for that input pin, and also insert
a limiting resistor in the input circuit.
Always implement key chattering exclusion measures for external signals applied to microcontroller input pins.
The pin output data should be re-output periodically with an output instruction (OP or SPB).
No. 6278-38/39
LC651154N, 651154F, 651154L, 651152N, 651152F, 651152L
Figure 3 RES Pin Wiring
Figure 4 TEST Pin Wiring
Figure 5 Analog Input Pin Wiring
External
circuit
External circuit
(sensor block)
Analog
input pin
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LC651154L | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Four-Bit CMOS Microcontrollers for Small-Scale Control Applications |
| LC651154N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Four-Bit CMOS Microcontrollers for Small-Scale Control Applications |
| LC6511C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| LC651202F | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:One-Time Programmable 4-Bit Single-Chip Microcontroller |
| LC651202F(30DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
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