RomanRom2/ossc
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add compatibility option for disabling HDMI PR2x

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marqs committed 2026-06-28 13:05:51 +03:00
1 parent 35f8595a05
commit d653b67ffc
6 files changed
+76 -38
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ossc.sdc
+4 -4
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@@ -43,10 +43,10 @@ foreach_in_collection c [get_clocks "pclk_tvp*"] {
set_input_delay -clock $c -max $TVP_dmax $critinputs -add_delay
}
# output delay constraints as documented in the IT6613 datasheet
# -- increased IT_Tsu from 1.0 to 1.5 due to #52
set IT_Tsu 1.5
set IT_Th -0.5
# output delay constraints based on params from IT6613 datasheet (S=1ns, H=0.5ns)
# shifted aperture window due to issues #52 and #56
set IT_Tsu 2.0
set IT_Th -0.2
set critoutputs_hdmi [get_ports {HDMI_TX_RD* HDMI_TX_GD* HDMI_TX_BD* HDMI_TX_DE HDMI_TX_HS HDMI_TX_VS}]
foreach_in_collection c [get_clocks pclk_*_out] {
set_output_delay -clock $c -min $IT_Th $critoutputs_hdmi -add