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參數(shù)資料
| 型號： | S1C60L05D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, UUC53 |
| 封裝： | DIE-53 |
| 文件頁數(shù)： | 91/104頁 |
| 文件大小： | 697K |
| 代理商： | S1C60L05D |
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S1C60N05 TECHNICAL MANUAL
EPSON
79
CHAPTER 9: PRECAUTIONS ON MOUNTING
CHAPTER 9
PRECAUTIONS ON MOUNTING
Oscillation circuit
Oscillation characteristics change depending on conditions
(board pattern, components used, etc.).
In particular, when a ceramic oscillator or crystal oscillator is
used, use the oscillator manufacturer’s recommended values for
constants such as capacitance and resistance.
Disturbances of the oscillation clock due to noise may cause a
malfunction. Consider the following points to prevent this:
(1) Components which are connected to the OSC1 and OSC2
terminals, such as oscillators, resistors and capacitors,
should be connected in the shortest line.
(2) As shown in the right hand figure, make a VDD pattern as
large as possible at circumscription of the OSC1 and OSC2
terminals and the components connected to these terminals.
Furthermore, do not use this VDD pattern for any purpose
other than the oscillation system.
OSC2
OSC1
VDD
Sample VDD pattern
In order to prevent unstable operation of the oscillation circuit
due to current leak between OSC1 and VSS, please keep enough
distance between OSC1 and VSS or other signals on the board
pattern.
Reset circuit
The power-on reset signal which is input to the RESET terminal
changes depending on conditions (power rise time, components
used, board pattern, etc.).
Decide the time constant of the capacitor and resistor after
enough tests have been completed with the application product.
When the built-in pull-down resistor is added to the RESET
terminal by mask option, take into consideration dispersion of
the resistance for setting the constant.
In order to prevent any occurrences of unnecessary resetting
caused by noise during operating, components such as
capacitors and resistors should be connected to the RESET
terminal in the shortest line.
Power supply circuit
Sudden power supply variation due to noise may cause
malfunction. Consider the following points to prevent this:
(1) The power supply should be connected to the VDD and VSS
terminal with patterns as short and large as possible.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| S1C60L08 | 制造商:EPSON 制造商全稱:EPSON 功能描述:4-bit Single Chip Microcomputer |
| S1C60L16 | 制造商:EPSON 制造商全稱:EPSON 功能描述:4-bit Single Chip Microcomputer |
| S1C60N05 | 制造商:EPSON 制造商全稱:EPSON 功能描述:4-bit Single Chip Microcomputer |
| S1C60N08 | 制造商:EPSON 制造商全稱:EPSON 功能描述:4-bit Single Chip Microcomputer |
| S1C60N16 | 制造商:EPSON 制造商全稱:EPSON 功能描述:4-bit Single Chip Microcomputer |
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