Freescale Semiconductor MPC5200B - Manual (Page 126)

MPC5200B Memory Map
MPC5200B Users Guide, Rev. 1
Freescale Semiconductor 3-7
msb 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R Base XLB Address Reserved
W
RESET 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 lsb
R Reserved SDRAM Size
W
RESET 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bits Name Description
0:11 Base XLB
Address
Start address for memory
12:26 Reserved These bits are reserved.
27:31 SDRAM size Should be set to size of SDRAM at corresponding SDRAM chip select. Settings are included
in the following table.
Note: The Base XLB Address has to be SDRAM size aligned.
SDRAM
Memory Size
SDRAM size bit setting
11111 4GB
11110 2GB
11101 1GB
11100 512MB
11011 256MB
11010 128MB
11001 64MB
11000 32MB
10111 16MB
10110 8MB
10101 4MB
10100 2MB
10011 1MB
00001-10010 Reserved
0000 Disable