Motorola MVME172 用户手册
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>.
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