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2.5V IO on AM1808 / L138

Niki Steenkamp
Prodigy 200 points
Other Parts Discussed in Thread: AM1808

Hi,

Is it allowed to use a 2.5V supply for one of the power groups on the AM1808?  I want to use 3.3V for groups A and B and 2.5V for group C.  The DS seems to indicate that the IO voltage should be either 3.3V or 1.8V, but it also does not seem to prohibit the use of any other voltage in between.

Thanks!