set_io clk 21
set_io up 44
set_io rst 45

set_io count_out[0] 99   #PIO3_1A
set_io count_out[1] 98   #PIO3_1B
set_io count_out[2] 97   #PIO3_2A
set_io count_out[3] 96   #PIO3_2B