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There is a broken connection in L1 UPLINK 02 in the ERF-SMA board or within the optoboard itself. Note that alignment is sensitive to polarity of TX connection (i.e. NP↔NP vs NP↔PN) but not to the RX connections.

ITkPixV1.1 Digital Quad

The ITkPixV1.1 digital quad can be read out in two different configurations, either interfaced through the PP0+Type 0 ring (more details of the hardware setup can be found on the ITkPixV1 quad module readout page).

Interface with ring + PP0

At present the full chain including PP0 and Type 0 ring cannot be read out using FELIX. The following channel mapping is used in the connectivity file. Chips 2 and 4 send data on power-up. Chip 1 has poor data transmission quality on the negative polarity side, but is not observed using the LBL adapter card indicating that this is a feature of the ring+PP0.

Interface with LBL adapter board

Testing using the following configuration files (set in the alias mconf_quad):
connectivity: /home/itkpix/YARRdev/configs_common/connectivity/20UPGR91101015/20UPGR91101015_L2_warm.json (same as used for YARR readout)
controller:  /home/itkpix/YARRdev/configs_common/controller/felix_rd53b.json

The downlink differential signal polarity should not be inverted (i.e. P↔P and N↔N SMA connections between DP and Optoboard BOB), as this is only required due to the ring channel mapping. L3,L2,L1,L0 are connected to EFF-SMA board UPLINK 00,01,02,04. Before configuration, alignment bit is unstable on UPLINK 01 (chip 2) and always 0 for other channels, but after configuration all alignment bits are zero. This is similar behavior as observed with the PP0+Ring.

Running Vivado ILA on FELIX:

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