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resources:fpga:peripherals:jesd204:jesd204_troubleshooting [20 Dec 2021 08:09] – [Link status stays in CGS and SYNC~ de-asserts, subclass 1] Laszlo Nagy | resources:fpga:peripherals:jesd204:jesd204_troubleshooting [20 Dec 2021 08:19] (current) – [Link status stays in CGS and SYNC~ is de-asserts] Laszlo Nagy | ||
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- | ====Link status stays in CGS and SYNC~ is de-asserts==== | + | ====Link status stays in CGS and SYNC~ is deasserted==== |
<WRAP center round box 100%> | <WRAP center round box 100%> | ||
**Cause: | **Cause: | ||
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SYNC~: deasserted | SYNC~: deasserted | ||
- | **Fix:** Make sure SYNC~ is connected to the Link Transmit peripheral and is property | + | **Fix:** Make sure SYNC~ is connected to the Link Transmit peripheral and is properly |
+ | </ | ||
+ | |||
+ | <WRAP center round box 100%> | ||
+ | **Cause: | ||
+ | |||
+ | **Identify: | ||
+ | # | ||
+ | or | ||
+ | #grep "" | ||
+ | Link status: CGS | ||
+ | SYNC~: deasserted | ||
+ | |||
+ | **Fix:** Make sure software communicates correctly with the DAC, bring-up sequence was executed and JESD RX blocks configured and enabled. | ||
</ | </ | ||
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#grep "" | #grep "" | ||
Link status: CGS | Link status: CGS | ||
- | SYSREF captured | + | |
+ | | ||
- | **Fix:** Make sure SYSREF is connected to the Link Transmit peripheral and is property | + | **Fix:** Make sure SYSREF is connected to the Link Transmit peripheral and is properly |
</ | </ | ||