IOB constraints for pps_out and 10MHz out

971d500b · li hongming · Grzegorz Daniluk · 72f36d2b · 971d500b
Commit 971d500b authored Jan 17, 2019 by li hongming Committed by Grzegorz Daniluk Jan 21, 2019
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cute_wr_ref_top.ucf top/cute_ref_design/cute_wr_ref_top.ucf +4 -0

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--- a/top/cute_ref_design/cute_wr_ref_top.ucf
+++ b/top/cute_ref_design/cute_wr_ref_top.ucf
@@ -154,3 +154,7 @@ NET "sfp0_ref_clk_n" TNM_NET = sfp0_ref_clk_n;
 TIMESPEC TS_sfp0_ref_clk_n = PERIOD "sfp0_ref_clk_n" 8 ns HIGH 50%;
 NET "u_wr_core/cmp_xwrc_platform/gen_phy_spartan6.cmp_gtp/ch*_gtp_clkout_int<1>" TNM_NET = u_wr_core/cmp_xwrc_platform/gen_phy_spartan6.cmp_gtp/ch*_gtp_clkout_int<1>;
 TIMESPEC TS_u_wr_core_cmp_xwrc_platform_gen_phy_spartan6_cmp_gtp_ch_gtp_clkout_int_1_ = PERIOD "u_wr_core/cmp_xwrc_platform/gen_phy_spartan6.cmp_gtp/ch*_gtp_clkout_int<1>" 8 ns HIGH 50%;
+
+inst "pps_out" iob = force;
+net "pps_out" drive = 24 | slew = fast;
+net "ext_clk" drive = 24 | slew = fast;