mirror of https://github.com/openXC7/prjxray.git
tilegrid: add note about potential issue
Signed-off-by: John McMaster <johndmcmaster@gmail.com>
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@ -120,6 +120,8 @@ proc assign_iobs {} {
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# All possible IOs
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set iopad [make_iob_pads]
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# Basic pins
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# XXX: not all pads are valid, but seems to be working for now
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# Maybe better to set to XRAY_PIN_* and take out of the list?
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set_property -dict "PACKAGE_PIN [lindex $iopad 0] IOSTANDARD LVCMOS33" [get_ports clk]
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set_property -dict "PACKAGE_PIN [lindex $iopad 1] IOSTANDARD LVCMOS33" [get_ports do]
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set_property -dict "PACKAGE_PIN [lindex $iopad 2] IOSTANDARD LVCMOS33" [get_ports stb]
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