Freescale Semiconductor MPC5200B User Manual page 126

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