PT2399S - Princeton Technology Corp

PT2399S Frequently Asked Questions (FAQs)

• What is the recommended power-on sequence for the PT2399S?
  The recommended power-on sequence is to apply VCC first, followed by VDD. This ensures that the internal voltage regulators are properly initialized.
• How do I optimize the PT2399S for low power consumption?
  To optimize the PT2399S for low power consumption, use a low-frequency clock input, reduce the voltage supply to the minimum required, and use the power-down mode when not in use.
• What is the maximum clock frequency that can be used with the PT2399S?
  The maximum clock frequency that can be used with the PT2399S is 12.288 MHz. Exceeding this frequency may cause instability or incorrect operation.
• How do I ensure that the PT2399S is properly bypassed for optimal performance?
  To ensure proper bypassing, use a 10uF capacitor between VCC and GND, and a 100nF capacitor between VDD and GND. Additionally, use a 10uF capacitor between AVCC and GND if using the analog circuitry.
• What is the purpose of the internal voltage regulator in the PT2399S?
  The internal voltage regulator in the PT2399S generates a stable 3.3V supply for the internal circuitry, allowing the device to operate from a single 5V supply.