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參數(shù)資料
| 型號： | DS3674N |
| 英文描述： | Audio Amplifier 1.6W, diff., gain adj MSOP 10-pin |
| 中文描述： | 四時鐘驅(qū)動器 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 181K |
| 代理商： | DS3674N |
DS1672
3 of 12
SCL (Serial Clock Input)
–
SCL is used to synchronize data movement on the serial interface and
requires an external pull-up resistor.
SDA (Serial Data Input/Output) –
SDA is the input/output pin for the 2-wire serial interface. The SDA
pin is an open drain output and requires an external pull-up resistor.
RST
(Reset Output) –
The
RST
pin functions as a microprocessor reset signal. This pin is an open drain
output and requires an external pull-up resistor.
X1, X2
– These signals are connections for a standard 32.768kHz quartz crystal. The internal oscillator
circuitry is designed for operation with a crystal having a specified load capacitance (CL) of 6pF.
For more information about crystal selection and crystal layout considerations, please consult Application
Note 58, “Crystal Considerations with Dallas Real-Time Clocks.” The DS1672 can also be driven by an
external 32.768kHz oscillator. In this configuration, the X1 pin is connected to the external oscillator
signal and the X2 pin is floated.
CLOCK ACCURACY
The accuracy of the clock is dependent upon the accuracy of the crystal and the accuracy of the match
between the capacitive load of the oscillator circuit and the capacitive load for which the crystal was
trimmed. Additional error will be added by crystal frequency drift caused by temperature shifts. External
circuit noise coupled into the oscillator circuit may result in the clock running fast. See Application Note
58, “Crystal Considerations with Dallas Real-Time Clocks” for detailed information.
ADDRESS MAP
The counter is accessed by reading or writing the first 4 bytes of the DS1672 (00h–03h). The control
register and trickle charger are accessed by reading or writing the appropriate register bytes as illustrated
in Figure 2. If the master continues to send or request more data after the address pointer has reached
05h, the address pointer will wrap around to location 00h.
RECOMMENDED LAYOUT FOR CRYSTAL
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1672U-33 | Low Voltage Serial Timekeeping Chip |
| DS1672 | Low Voltage Serial Timekeeping Chip |
| DS1672S-2 | Low Voltage Serial Timekeeping Chip |
| DS1672S-3 | Low Voltage Serial Timekeeping Chip |
| DS1672S-33 | Low Voltage Serial Timekeeping Chip |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS3674N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad Clock Driver |
| DS3674N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad Clock Driver |
| DS3675J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Memory Driver |
| DS3675J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Memory Driver |
| DS3675N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Memory Driver |
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