Motorola MVME172 - Manual (Page 284)

4-48 Computer Group Literature Center Web Site
IP2 Chip
4
32-Bit Memory Space
This example is for IP_ab, where the IP_ab memory space is programmed
with a base address of $00000000, a size of 16MB, and a port width of 32
bits. The relationship of the IndustryPack address to the local bus address
is: IPA<22-1> = LBA<23-2>, and IPA<0> = LBA<0>.
LBA IPA Comments
$00000000 $000000 IP_b or ab
$00000001 $000001 IP_b
$00000002 $000000 IP_a
$00000003 $000001 IP_a
$00000004 $000002 IP_b or ab
$00000005 $000003 IP_b
$00000006 $000002 IP_a
$00000007 $000003 IP_a
$00000008 $000004 IP_b or ab
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$00FFFFFB $7FFFFD IP_a
$00FFFFFC $7FFFFE IP_b or ab
$00FFFFFD $7FFFFF IP_b
$00FFFFFE $7FFFFE IP_a
$00FFFFFF $7FFFFF IP_a