ttl_serdes_7series: disable IBUF and INTERM when output

2018-02-20 15:33:37 +00:00 · 2018-02-20 15:33:37 +00:00 · 476e4fdd56
parent afc16a67b6
commit 476e4fdd56
1 changed files with 6 additions and 1 deletions
--- a/artiq/gateware/rtio/phy/ttl_serdes_7series.py
+++ b/artiq/gateware/rtio/phy/ttl_serdes_7series.py
@ -75,7 +75,12 @@ class _IOSERDESE2_8X(Module):
                                      i_I=pad_o, o_O=pad_i, i_T=oserdes.t_out,
                                      io_IO=pad)
        else:
-            self.specials += Instance("IOBUFDS",
+            self.specials += Instance("IOBUFDS_INTERMDISABLE",
+                                      p_DIFF_TERM="TRUE",
+                                      p_IBUF_LOW_PWR="TRUE",
+                                      p_USE_IBUFDISABLE="TRUE",
+                                      i_IBUFDISABLE=self.oe,
+                                      i_INTERMDISABLE=self.oe,
                                      i_I=pad_o, o_O=pad_i, i_T=oserdes.t_out,
                                      io_IO=pad, io_IOB=pad_n)
        self.comb += [