2330 - LatticeECP3: Can LatticeECP3 devices support sub-LVDS IO?

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• 880 - The LatticeXP2 device does not have a sub-LVDS output type, can I still drive sub-LVDS inputs with the LatticeXP2? <BR>

  Situation: An application uses the LatticeXP2 device and needs the sub-LVDS output type. Solution: Given that sub-LVDS signaling requires Vod from 100mv (min) to 200mv (max) and Vcm from +0.75v (min) to +1.05v (max), the sub-LVDS output type can be ...

• 5703 - MachXO2: Can XO2 IO buffer output mini-LVDS?

  XO2/XO3 can support mini-lvds by using an external resistor to achieve the common-mode voltage and voltage swing that will act as mini-lvds

• 725 - Does the MachXO device family support true LVDS buffers?<br>

  The larger two devices (LCMXO1200 & LCMXO2280) in the MachXO family support True LVDS I/O. To set up "true LVDS" on the input side, connect a 100 ohm terminating resistor across the 'true' and 'compliment' input terminals. On the output side, no ...

• 7271 - MACHXO3: Why does the Diamond software still allow the LVCMOS10R33 and LVCMOS10R25 IO types on speed grade -5 of MachXO3LF when the documentation says speed grade -6 devices only support them?

  Solution: The datasheet only shows speed grade -6 support for LVCMOS10R33 and LVCMOS10R25 IO types because it can cover all the frequency range up to the fmax parameter of speed grade -6 devices. The Diamond software still allows LVCMOS10R33 for ...

• 3881 - Is it possible with the signal 'ENABLE_OUTPUT' of the primitive SB_IO (IO primitive of the iCE40) to create a bi-directional Low Voltage Differential Signalling (LVDS) IO?

  No. the signal 'ENABLE_OUTPUT' of the primitive SB_IO (IO primitive of the iCE40) cannot be used to create a bi-directional LVDS IO. One has to use two separate pairs of IOs for LVDS Tx and LVDS Rx.