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PC16550DN-NAT-DN PC16550DN-NAT-DN PC16550DNNATDN Datasheet Note 9: This time is defined as the number of clock cycles needed for conversion multiplied by the clock period. If the internal refer- ence needs to be powered up, the total time is additive. The internal reference is always used for temperature measurements PC16550DN-NAT-DN PC16550DN-NAT-DN PC16550DNNATDN Price The integrated power-on reset (POR) circuitry sets the internal logic to a defined basic status and generates a reset pulse at the reset output, pin 10, during ramp-up of the supply voltage and in the case of voltage drops of the supply. A hysteresis in the POR threshold prevents the circuit from oscillating. During ramp-up of the supply voltage, the reset output stays active for a specified period of time (to) in order to bring the microcon- troller in its defined reset status (see Figure 4). Pin 10 has an open-drain output. PC16550DN-NAT-DN PC16550DN-NAT-DN PC16550DNNATDN on stock
Using In-System Programming (ISP) When ISP mode is entered, the default loader first disables the watchdog timer to prevent a watchdog reset from occurring during programming. The ISP feature allows for a wide range of baud rates to be used in the application, independent of the oscillator frequency. It is also |
