lattice/ice40/tests/blink/icestick.pcf

# full iCEstick pinout:
# http://www.pighixxx.com/test/portfolio-items/icestick/

#set_io --warn-no-port RX 9
#set_io --warn-no-port TX 8
#set_io LED1 99
set_io LED2 98
set_io LED3 97
set_io LED4 96
set_io LED5 95
set_io clk 21