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  3. AR# 39552: 12.3 EDK, MPMC - ERROR:EDK:3900 - issued from TCL procedure

AR# 39552

12.3 EDK, MPMC - ERROR:EDK:3900 - issued from TCL procedure

Description

When using the integrated MPMC MIG GUI Flow, I can select for a system clock "Differential" or "Single-Ended".

However, when I select "Single-Ended", PLATGEN generates the following error. How do I resolve it?

ERROR:EDK:3900 - issued from TCL procedure
"::hw_mpmc_v6_02_a::syslevel_drc_mig_flow" line 88
C_USE_MIG_FLOW (IPNAME:mpmc, INSTANCE:DDR2_SDRAM_W1D32M72R8A_5A) - There have
been changes to this design that have changed the number of external memory
pins for MPMC instance DDR2_SDRAM_W1D32M72R8A_5A. Please re-run the MIG gui
from the IP Configurator to generate the correct constraints.

Running DRC Tcl procedures for OPTION SYSLEVEL_DRC_PROC...
ERROR:EDK:440 - platgen failed with errors!
make: *** [implementation/microblaze_0_wrapper.ngc] Error 2

Solution

The selection of Single Ended or Differential System Clock does not affect the MPMC.

Keep the system clock selection default as "Differential".
AR# 39552
Date 05/19/2012
Status Active
Type Error Message
Tools
  • EDK - 12.3
  • EDK - 12.4
  • EDK - 13.1
IP
  • Multi-Port Memory Controller (MPMC)

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