6398 - CertusPro-NX: Does High Performance IO supports hot socketing?

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• 2721 - Can Power Manager II Device  support Hot Socketing?

  Yes, Power Manager II device supports Hot Socketing. All the pins of the Power Manager II are Hot Socket complaint. There is no problem in applying maximum specified I/O voltages to the pins before VCCD or VCCA is applied. However small leakage ...

• 7178 - CertusPro-NX: Why are FPGA I/O lines "zero" by default? How to pull them to 'high' by default?

  CertusPro-NX's I/O hardware default is weak pull-down, and it cannot be changed until it is powered up and loaded with bitstream. The only way to get those lines to be 'high' by default is by adding external pull-up resistor on the PCB board.

• 6016 - MachXO2/XO3/XO3D: Do we have hot socketing specification in LVDS I/O standard?

  There’s no difference between single-ended and differential I/O. The hot socketing specification remains the same.

• 1052 - <p>How to set LatticeECP3 FPGA IO in temporary tri-state when another partner device in line card doesn't support hot swap?<br></p><br>

  The LatticeECP3 doesn't have a dedicated control signal to put the FPGA IO to tri-state. There are cases that some designers might want to have the LatticeECP3 FPGA IO tri-stated when a new line card is being inserted as some partner devices in these ...

• 5846 - All Devices: Can Lattice FPGA IO pins be left Floating?

  Floating IO pin is not recommended. If IO pins are left floating, then the input transistors might fall outside of the saturation or cut-off region. As a result, the device could draw additional current and increase the device's power consumption. If ...