P87LPC762BDH,512 datasheet by NXP Semiconductors

P87LPC762BDH,512 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with this microcontroller?
  The maximum clock frequency for the P87LPC762BDH,512 is 12 MHz, but it can be overclocked up to 15 MHz with some limitations.
• How do I configure the oscillator for the best possible accuracy?
  To configure the oscillator for the best possible accuracy, use a high-quality crystal oscillator with a frequency tolerance of ±20 ppm or better, and ensure that the oscillator circuit is properly decoupled and shielded.
• What is the maximum current that can be sourced or sunk by the GPIO pins?
  The maximum current that can be sourced or sunk by the GPIO pins of the P87LPC762BDH,512 is 20 mA per pin, with a total current limit of 100 mA for all pins combined.
• How do I implement a reliable reset circuit for this microcontroller?
  To implement a reliable reset circuit, use a dedicated reset IC such as the NXP PCA6420, or use a simple RC circuit with a capacitor value of 10-100 nF and a resistor value of 1-10 kΩ, with a diode to protect against voltage spikes.
• What is the recommended power-on reset (POR) circuit for this microcontroller?
  The recommended POR circuit for the P87LPC762BDH,512 is a simple RC circuit with a capacitor value of 10-100 nF and a resistor value of 1-10 kΩ, with a diode to protect against voltage spikes.