SST-DN3-PCI-1 and SST-DN3-PCI-2
Hardware Reference Guide
Hardware Register Details
35
©2004 Woodhead Software & Electronics, Division of Woodhead Canada Limited
Document Edition: 1.1, Document #: 715-0083, Template Edition: 1.1, Template #: QMS-06-045
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3.3.4 Bank Address Register
This register is used to switch banks of shared memory into host memory space.
Table 9: Bank Address Register Settings
Bit
7
6
5
4
3
2
1
0
Name
BA19 BA18 BA17 BA16 BA15 BA14 BA13 BA12
Read/Write
R
R R/W R/W R/W R/W R/W R
Reset
0 0 0 0 0 0 0 0
Table 10: Bank Address Register Values
In this table, the default window size is highlighted, and a value of “x” indicates “don’t care”.
Bit and Value
Window Size and Bank Number
BA19 BA18 BA17 BA16 BA15 BA14 BA13 BA12
8k
16k
32k
64k
128k
256k
x x 0 0 0 0 0 x 0 0 0 0 0 0
x x 0 0 0 0 1 x 1 0
0 0 0 0
x x 0 0 0 1 0 x 2 1 0 0 0 0
x x 0 0 0 1 1 x 3 1 0 0 0 0
x x 0 0 1 0 0 x 4 2
1 0 0 0
x x 0 0 1 0 1 x 5 2 1 0 0 0
x x 0 0 1 1 0 x 6 3 1 0 0 0
x x 0 0 1 1 1 x 7 3
1 0 0 0
x x 0 1 0 0 0 x 8 4 2 1 0 0
x x 0 1 0 0 1 x 9 4 2 1 0 0
x x 0 1 0 1 0 x 10 5
2 1 0 0
x x 0 1 0 1 1 x 11 5 2 1 0 0
x x 0 1 1 0 0 x 12 6 3 1 0 0
x x 0 1 1 0 1 x 13 6
3 1 0 0
x x 0 1 1 1 0 x 14 7 3 1 0 0
x x 0 1 1 1 1 x 15 7 3 1 0 0
x x 1 0 0 0 0 x 16 8
4 2 1 0
x x 1 0 0 0 1 x 17 8 4 2 1 0
x x 1 0 0 1 0 x 18 9 4 2 1 0
x x 1 0 0 1 1 x 19 9
4 2 1 0
x x 1 0 1 0 0 x 20 10 5 2 1 0
x x 1 0 1 0 1 x 21 10 5 2 1 0
x x 1 0 1 1 0 x 22 11 5 2 1 0
x x 1 0 1 1 1 x 23 11
5 2 1 0
x x 1 1 0 0 0 x 24 12 6 3 1 0
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