VCC_IO is the reference for all I/O signals. Therefore it must not be undefined after power-up. The schematic shown on this slide ensures that I/O voltage is present right at the time of power-up.
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VCC_IO is the reference for all I/O signals. Therefore it must not be undefined after power-up. The schematic shown on this slide ensures that I/O voltage is present right at the time of power-up.
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