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AR# 20744

6.3 EDK SP2 - The opb_emc_v2_00_a Core errors out when reved up from opb_emc_v1_10_b in EDK 6.3

Description

General Description: 

The following parameters were renamed or changed in the opb_emc_v2_00_a to match the memory devices data sheet better and make it easier to use. These parameters were named differently and no longer exist in the older version of this core (that is, opb_emc_v1_10_b with EDK 6.3, SP1).

Solution

The following parameters were named/modified in opb_em_v2_00_a: 

 

PARAMETER C_TCEDV_PS_MEM_0 = 15000, DT = INTEGER 

PARAMETER C_TAVDV_PS_MEM_0 = 15000, DT = INTEGER 

PARAMETER C_THZCE_PS_MEM_0 = 7000, DT = INTEGER 

PARAMETER C_THZOE_PS_MEM_0 = 7000, DT = INTEGER 

PARAMETER C_TWC_PS_MEM_0 = 15000, DT = INTEGER 

PARAMETER C_TWP_PS_MEM_0 = 12000, DT = INTEGER 

PARAMETER C_TLZWE_PS_MEM_0 = 0, DT = INTEGER 

 

The above parameters were name or modified in opb_emc_v1_10_b with EDK 6.3, SP1. 

 

PARAMETER C_READ_ADDR_TO_OUT_SLOW_PS_0 = 110000 

PARAMETER C_WRITE_MIN_PULSE_WIDTH_PS_0 = 70000 

PARAMETER C_READ_ADDR_TO_OUT_FAST_PS_0 = 110000 

PARAMETER C_WRITE_ADDR_TO_OUT_FAST_PS_0 = 70000 

PARAMETER C_READ_RECOVERY_BEFORE_WRITE_PS_0 = 150000 

PARAMETER C_WRITE_RECOVERY_BEFORE_READ_PS_0 = 120000 

 

To Rev Up the core to opb_emc_v2_00_a, the above parameters require that they be updated. Please refer to opb_emc_v2_00_a Data Sheet for parameters' descriptions.

AR# 20744
Date Created 09/03/2007
Last Updated 05/19/2014
Status Archive
Type General Article