Forum Discussion
anonimcs
Contributor
2 years agoConstraint clocks of SPI interfa
Hi all, I have a design where I generate an SPI clock and send some data over the slave. The slave is an ADC with its own setup/hold time constraints. In these constraints, the slave data input SDI ...
- 2 years ago
Adding the pins of the Quad SPI IP did not work, but generating another clock like this and constraining the other QSPI ports wrt. this clock seems to work somehow
create_generated_clock -name {qclk_vclk} -source [get_pins {corepll_inst|altpll_component|auto_generated|pll1|clk[0]}] [get_ports {QSPI_CLK}]
TingJiangT_Intel
Contributor
2 years agoI upload the user guide here
anonimcs
Contributor
2 years agoHi @TingJiangT_Intel ,
I don't get how I can do what I've described in this entry with virtual clocks then. Because I wanted to use the sclk1 outputs to check the timing of some certain ports. What would be the right approach here ?