Preliminary
4. Programming the System Controller
This section provides guidance on programming the system controller to agree with the board design.
4.1 DDR SDRAM
The following are the characteristics of the DDR SDRAM memory on the PPC750FX evaluation board:
Table 4-1. DDR SDRAM Characteristics
Memory Type
Number of Row Addresses
Number of Column Addresses
Number of Module Banks
SDRAM Width, Primary
Error Checking SDRAM Width
Data Width
Number of SDRAM Banks
4.1.1 SDRAM Controller Initialization
See Marvell MV64360/1/2 data sheet.
4.2 Device Controller Bank Register Settings
The following sections define the settings for the device controller bank registers in the system controller.
750FXebm_ch4.fm
June 10, 2003
DDR SDRAM
13
9
2
16 bits
8 bits
72 bits
4
Evaluation Board Manual
PPC750FX Evaluation Board
Programming the System Controller
Page 31 of 115