External Memory Interface Handbook Volume 3: Reference Material

ID 683841
Date 7/24/2019
Public
Document Table of Contents

3.23.54. ecc2: Width Configuration

address=129(32 bit)

Field Bit High Bit Low Description Access
cfg_dram_data_width 7 0 Set this value to the DRAM data width, without taking rate conversion into consideration. For example, for a 64+8=72 bit ECC design, set this register to ‘d72. Read
cfg_local_data_width 15 8 Set this value to the LOCAL data width, without taking rate conversion into consideration. For example, for a 64+8=72 DQ bit ECC design, set this register to ‘d64. Read
cfg_addr_width 21 16 Set this value to the LOCAL address width, which corresponds to the address field width of the cmd field. For example, for a LOCAL address width of 24 bits, set this value to ‘d24. Read
Reserved 31 22  

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