ASEMCC1-LR

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Pin Configurable/Selectable Oscillators are a type of frequency control modules that allows users to select the operating frequency, gain and other major parameters by simply changing certain pins. Among such oscillators, the ASEMCC1-LR stands out for its wide field of applications in timepieces, computers, and digital equipment. This article will cover its application scenarios and working principle.

Application field of ASEMCC1-LR

The ASEMCC1-LR oscillator can be used in digital equipment, computers, and timepieces. It has the width to meet a wide range of electrical application requirements. The advantage is that it uses a single module to provide a range of frequency configurations in a very small footprint.

In digital equipment, ASEMCC1-LR can be used as reference clocks or driving clocks for internal logic, for receiving and transmitting data or for controlling system timing. For computers, it offers an ideal solution for low-power clock distribution, peripheral clock syncing, and timing control. In terms of timepieces, the ASEMCC1-LR waveform frequencies can be used to regulate frequencies of quartz oscillators and keep them from drifting from the specified frequency.

Working principle of ASEMCC1-LR

Similar to other pin configurable/selectable oscillators, the ASEMCC1-LR uses a configuration pin that sets the characteristics of the oscillation frequency. The ASEMCC1-LR is a crystal oscillator where an external quartz crystal is used to generate a clock signal. The circuitry within the oscillator will convert the signal into a square wave, and the frequency can be adjusted by varying the external impedance on the configuration pin. If a capacitor or resistor is applied to the configuration pin, the output frequency will be adjusted accordingly.

Apart from the configuration pin, the ASEMCC1-LR also supports selectable frequency ranges by using two other pins. TheF_GAINpin determines the gain of the oscillation frequency and its default value is 1. TheF_SENSEpin sets the frequency sense, its default value is low, which corresponds to a higher frequency. The values of these two pins can be changed to make the frequency range wider.

Conclusion

The ASEMCC1-LR oscillator offers a wide range of applications in digital equipment, computers, and timepieces. The frequency range can be adjusted by adjusting the values of the configuration, F_GAIN, and F_SENSEpins. The frequency of the oscillator is generated by an external crystal and converted into a square wave. ASEMCC1-LR fits into a small footprint and will save design costs while delivering reliable and stable performance.

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