MPC9658FA

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MPC9658FA is a specialized modern semiconductor clock generator. It is a member of a wider family of devices classified as Clock Generators, PLLs, and Frequency Synthesizers. The device is typically suitable for applications such as quality synchronizing clock systems in mobile communications, wireless local area networks (WLAN), and digital signal processors (DSP).

MPC9658FA is designed to provide accurate synchronization of multiple clock domains in a system with fast settling algorithms. It is a versatile device with multiple synthesized output frequencies. Additionally, it has built-in synchronization of frequency and phase across multiple outputs, allowing it to meet stringent timing requirements of various applications. Moreover, it has a few idle modes such as power down and synchronization enable.

The device consists of a programmable clock generator, a low jitter clock oscillator, and a PLL (Phase Locked Loop) unit. The clock generator generates the synthesized clock outputs with a wide range of frequencies from 1kHz to 50MHz. The low jitter clock oscillator produces for clock signals that are used for synchronization across multiple outputs. The PLL unit is used to lock the local oscillator to an external clock xin, enabling a master/slave system configuration.

The working principle of MPC9658FA is quite simple. The clock generator is connected to the PLL to generate multiple clock output frequencies. Then the clock generator is connected to the low jitter oscillator to synchronize the desired clock signals across multiple clocks with the help of the PLL unit. The external clock signal is used to synchronize and filter the generated clock signals.The clock output signals can be provided with a wide range of frequencies depending on the voltage, temperature and the external clock signal.

The MPC9658FA has multiple clock output channels that can be individually configured, allowing different frequency settings for each channel. The chip can also be used in multiple clock domains, allowing precise control of the phase, frequency and time offset between domains, improving system performance.

In summary, the MPC9658FA is a versatile, integrated, and precise clock/timing generator ideal for synchronizing multiple clock domains in modern communications and processor systems. It uses a simple, yet precise PLL and clock generating circuit to provide high accuracy clock signals for multiple purposes.

The chip has high precision, fast settling, and low jitter, making it suitable for precise clock synchronization. The device is widely used in mobile communications, WLAN, digital signal processors, and similar applications in which accurate timekeeping is important.

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