Motorola MVME2400 Series Wartungshandbuch Seite 229

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Programming Model
http://www.mcg.mot.com/literature 3-43
3
siz0-ram siz3. Note that ram e/f/g/h size0-3 are located
at $FEF800C0. They operate identically for blocks E-H as
these bits do for blocks A-D.
Notes All SDRAM components should be organized with 4 internal
banks.
When DIMMs are used, the Component Configuration refers
to the configuration of the devices used on the DIMMs.
It is important that all of the ram a/b/c/d/e/f/g/h siz0-3
bits
be set to accurately match the actual size of their
corresponding blocks. This includes clearing them to binary
Table 3-10. Block_A/B/C/D/E/F/G/H Configurations
ram a-h
siz0-3
Component
Configuration
Number of
SDRAM
Components
In the Block
Block
SIZE
SDRAM
Technology
%0000 - - 0MBytes -
%0001 4Mx16 5 32MBytes 64Mbit
%0010 8Mx8 9 64MBytes 64Mbit
%0011 8Mx16 5 64MBytes 128Mbit
%0100 16Mx4 18 128MBytes 64Mbit
%0101 16Mx8 9 128MBytes 128Mbit
%0110 16Mx16 5 128MBytes 256Mbit
%0111 32Mx4 18 256MBytes 128Mbit
%1000 32Mx8 9 256MBytes 256Mbit
%1001 64Mx4 18 512MBytes 256Mbit
%1010
-
%1111
Reserved - - -
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