Due DigitalRead() threshold voltage

i see 5v platforms use 3v digital threshold.

does know digital input threshold voltage on due (3.3v system)? there's hysteresis too?

i find experimentally don't have bits hand.
thanks,
mark

quote

v il input low-level voltage pioa/b/c/d/e/f[0-31]             -0.3                                  0.3 x v vddiov ih
input high-level voltage pioa/b/c/d/e/f[0-31]               0.7 x v vddio                   v vddio+0.3v
hysteresis voltage v       pioa/b/c/d/e/f[0-31]
except pa0, pa9, pa26, pa29, pa30, pa31, pb14, pb22, pc[2-9], pc[15-24], pd[10-30],
pe[0-4], pe15, pe17, pe19, pe21, pe23, pe25, pe29                 150 500 mv

section 46.2

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