The recommended power-up sequence is to power up the VDD pin first, followed by the VDDO pin. This ensures that the internal voltage regulators are powered up correctly and prevents any potential latch-up or damage to the device.
The CDCE706PWG4 can be configured for a specific clock frequency by programming the device using the I2C interface. The device has a set of registers that control the clock frequency, and the user can write to these registers to set the desired frequency. The specific register settings will depend on the desired frequency and the application requirements.
The CDCE706PWG4 can support clock frequencies up to 216 MHz. However, the maximum frequency may be limited by the specific application and the quality of the clock signal required.
Yes, the CDCE706PWG4 can be used as a clock generator for multiple domains. The device has multiple clock outputs that can be configured to generate different clock frequencies, allowing it to support multiple domains or subsystems within a system.
To ensure that the CDCE706PWG4 is generating a stable clock signal, it is recommended to use a high-quality crystal oscillator as the clock source, and to follow proper PCB design and layout guidelines to minimize noise and jitter. Additionally, the device has built-in features such as clock monitoring and automatic clock switching that can help to ensure a stable clock signal.
CDCE706PWG4 datasheet
by Texas Instruments
