set_io in 1
set_io out 2
set_io pin[0] 20 # padin_4
set_io pin[1] 21 # padin_1
set_io pin[2] 49 # padin_6
set_io pin[3] 50 # padin_3
set_io pin[4] 93 # padin_0
set_io pin[5] 94 # padin_5
set_io pin[6] 128 # padin_2
set_io pin[7] 129 # padin_7