2. Support
  3. AR# 5358: COREGEN, VHDL: Output still available from VHDL behavioral model for area-optimized multiplier when CE is deactivated
  4. AR# 53584: Spartan-6 - How long after loading a command on the ICAP can CE be deasserted?

AR# 53584

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Spartan-6 - How long after loading a command on the ICAP can CE be deasserted?

Description

The ICAP control logic I use follows the User Guide recommendations, but the command loaded does not take effect.

What is the issue here? How long after loading a command on the ICAP can CE be deasserted?

Solution

After loading a command on the ICAP interface the CE must be asserted for two clock cycles. If CE is deasserted within two clock cycles of the command, the command might not execute.
AR# 53584
Date 12/20/2012
Status Active
Type General Article
Devices
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