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AR# 44308

Kintex-7 XADC - How many auxiliary analog inputs are available?

Description

How many auxiliary analog inputs areavailablein the Kintex-7 XADC?

Solution

As stated in the 7 Series FPGAs XADC Dual 12-Bit 1MSPS Analog-to-Digital Converter User Guide (UG480),there are 11 pairs of auxiliary inputs for the Kintex-7. This differs from the other members of the 7 Series family, for example, Virtex-7 and Artix-7, which have 16 pairs of auxiliary inputs.Kintex-7 devices do not support auxiliary channels 6, 7, 13, 14, and 15.

If you require more than 11 auxiliary analog inputs, a suggested workaround is to use theexternal multiplexer operationof the XADC where an external MUXis used with the XADC. This is documented in the above referenced user guide.

AR# 44308
Date Created 10/12/2011
Last Updated 12/15/2012
Status Active
Type General Article
Devices
  • Kintex-7