DSC1123CI1-010.0000 - Microchip

DSC1123CI1-010.0000 Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the DSC1123CI1-010.0000?
  The recommended power-up sequence is to apply VDD first, followed by VDDO, and then the clock signal. This ensures proper initialization and prevents damage to the device.
• How do I configure the clock input for the DSC1123CI1-010.0000?
  The clock input can be configured as a single-ended or differential input. For single-ended input, connect the clock signal to the CLKIN pin and leave the CLKINB pin floating. For differential input, connect the clock signal to both CLKIN and CLKINB pins.
• What is the maximum clock frequency supported by the DSC1123CI1-010.0000?
  The maximum clock frequency supported is 100 MHz. However, the device can operate at frequencies up to 125 MHz with reduced performance and increased power consumption.
• How do I implement a clock divider or clock multiplier using the DSC1123CI1-010.0000?
  The device has a built-in clock divider/multiplier feature. You can configure the device to divide or multiply the input clock frequency using the Clock Control Register (CCR). Refer to the datasheet for specific register settings and examples.
• What is the purpose of the VDDO pin on the DSC1123CI1-010.0000?
  The VDDO pin is the output power supply pin for the device's output drivers. It should be connected to a separate power supply or decoupled from the main power supply (VDD) to ensure proper output signal integrity and reduce noise.