1

Board Description and Memory Maps

Table 1-5. 200/300-Series MVME172 Local I/O Devices Memory Map

(Continued)

Address Range

Devices Accessed

Port

Size

Notes

 

 

Width

 

 

 

 

 

 

 

$FFFBC800 - $FFFBC81F

Reserved

- -

2KB

1

 

 

 

 

 

$FFFBD000 - $FFFBFFFF

Reserved

- -

12KB

4

 

 

 

 

 

$FFFC0000 - $FFFCFFFF

M48T58 (BBRAM, TOD Clock)

D32-D8

64KB

1, 9

 

 

 

 

 

$FFFD0000 - $FFFEFFFF

Reserved

- -

128K

4

 

 

 

B

 

 

 

 

 

 

1-16

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Motorola MVME172 manual $FFFBC800 $FFFBC81F