1

Board Description and Memory Maps

The following memory map table includes all devices selected by the IP2 chip map decoder.

Table 1-9. IP2 Chip Overall Memory Map

Address Range

Selected Device

Port Width

Size

 

 

 

 

Programmable

IP_a/IP_ab Memory Space

D32-D8

64KB-16MB

 

 

 

 

Programmable

IP_b Memory Space

D16-D8

64KB-8MB

 

 

 

 

Programmable

IP_c/IP_cd Memory Space

D32-D8

64KB-16MB

 

 

 

 

Programmable

IP_d Memory Space

D16-D8

64KB-8MB

 

 

 

 

$FFF58000-$FFF5807F

IP_a I/O Space

D16

128B

 

 

 

 

$FFF58080-$FFF580BF

IP_a ID Space

D16

64B

 

 

 

 

$FFF580C0-$FFF580FF

IP_a ID Space Repeated

D16

64B

 

 

 

 

$FFF58100-$FFF5817F

IP_b I/O Space

D16

128B

 

 

 

 

$FFF58180-$FFF581BF

IP_b ID Space

D16

64B

 

 

 

 

$FFF581C0-$FFF581FF

IP_b ID Space Repeated

D16

64B

 

 

 

 

$FFF58200-$FFF5827F

IP_c I/O Space

D16

128B

 

 

 

 

$FFF58280-$FFF582BF

IP_c ID Space

D16

64B

 

 

 

 

$FFF582C0-$FFF582FF

IP_c ID Space Repeated

D16

64B

 

 

 

 

$FFF58300-$FFF5837F

IP_d I/O Space

D16

128B

 

 

 

 

$FFF58380-$FFF583BF

IP_d ID Space

D16

64B

 

 

 

 

$FFF583C0-$FFF583FF

IP_d ID Space Repeated

D16

64B

 

 

 

 

$FFF58400-$FFF584FF

IP_ab I/O Space

D32-D16

256B

 

 

 

 

$FFF58500-$FFF585FF

IP_cd I/O Space

D32-D16

256B

 

 

 

 

$FFF58600-$FFF586FF

IP_ab I/O Space Repeated

D32-D16

256B

 

 

 

 

$FFF58700-$FFF587FF

IP_cd I/O Space Repeated

D32-D16

256B

 

 

 

 

$FFFBC000-$FFFBC083

Control/Status Registers

D32-D8

32B

 

 

 

 

A summary of the IP2 chip CSR registers is shown in Table 1-10. The CSR registers can be accessed as bytes, words, or longwords. They should not be accessed as lines. They are shown in the table as bytes.

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Motorola MVME172 manual IP2 Chip Overall Memory Map, Address Range Selected Device Port Width Size