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DP83822I: The ethernet reset Data required

Smriti Singh
Prodigy 10 points
Part Number: DP83822I

Tool/software:

We are using SNx4LVC08A for interfacing micro, Ethernet and FLASH for power on reset,  the R=330 and C=0.22u is used , WD_Reset, RST_GPIO and Ethernet_uC are from controller. Is this RC sufficient for for power on as follows: first  Flash and then ethernet. Reference circuit below:

for DP83822IRHBR we need following data:

1. The time delay from VCC to reset? min and max values

  • 0
    TI__Mastermind 39815 points

    Hello,

    Can you please expand your original question to add further clarification? If Reset is unconnected, it is expected that the pin will rise with VDDIO ramp due to internal PU resistor. Else, this pin will be an input to the device, so there is no min/max characterization data.

    Sincerely,

    Gerome