# On the first TAR clock cycle LAD[3:0] is driven to 1111 by
# either the host or peripheral. On the second clock cycle,
# the host or peripheral tri-states LAD[3:0], but its value
# should still be 1111, due to pull-ups on the LAD lines.
if lad_bits != '1111':
# On the first TAR clock cycle LAD[3:0] is driven to 1111 by
# either the host or peripheral. On the second clock cycle,
# the host or peripheral tri-states LAD[3:0], but its value
# should still be 1111, due to pull-ups on the LAD lines.
if lad_bits != '1111':