Motorola MVME166IG/D2 User Manual
Page 34
Board Level Hardware Description
1-20
MVME166 Single Board Computer Installation Guide
1
The following table focuses on the Local I/O Devices portion of the local bus
Main Memory Map.
NOTES:
1.
For a complete description of the register bits, refer to the
MVME166/MVME167/MVME187 Single Board Computers
Programmer’s Reference Guide or to the data sheet for the
specific chip.
Table 1-3. Local I/O Devices Memory Map
Address Range
Devices Accessed
Port Size
Size
Notes
$FFF00000 - $FFF3FFFF
reserved
--
256KB
5
$FFF40000 - $FFF400FF
VMEchip2 (LCSR)
D32
256B
1,4
$FFF40100 - $FFF401FF
VMEchip2 (GCSR)
D32-D8
256B
1,4
$FFF40200 - $FFF40FFF
reserved
--
3.5KB
5,7
$FFF41000 - $FFF41FFF
VSBchip2
D32-D8
4KB
1,10
$FFF42000 - $FFF42FFF
PCCchip2
D32-D8
4KB
1
$FFF43000 - $FFF430FF
MCECC #1
D8
256B
1
$FFF43100 - $FFF431FF
MCECC #2
D8
256B
1
$FFF43200 - $FFF43FFF
MCECCs (repeated)
--
3.5KB
1,7
$FFF44000 - $FFF44FFF
reserved
--
4KB
5
$FFF45000 - $FFF451FF
CD2401 (Serial Comm. Cont.)
D16-D8
512B
1,9
$FFF45200 - $FFF45DFF
reserved
--
3KB
7,9
$FFF45E00 - $FFF45FFF
MC68230
--
512B
1,9
$FFF46000 - $FFF46FFF
82596CA (LAN)
D32
4KB
1,8
$FFF47000 - $FFF47FFF
53C710 (SCSI)
D32/D8
4KB
1
$FFF48000 - $FFF4FFFF
reserved
--
32KB
5
$FFF50000 - $FFF6FFFF
reserved
--
128KB
5
$FFF70000 - $FFF76FFF
reserved
--
28KB
6
$FFF77000 - $FFF77FFF
reserved
--
4KB
2
$FFF78000 - $FFF7EFFF
reserved
--
28KB
6
$FFF7F000 - $FFF7FFFF
reserved
--
4KB
2
$FFF80000 - $FFF9FFFF
Download EPROM
--
128KB
11
$FFFA0000 - $FFFBFFFF
reserved
--
128KB
5
$FFFC0000 - $FFFCFFFF
MK48T08 (BBRAM, TOD Clock)
D32-D8
64KB
1
$FFFD0000 - $FFFDFFFF
reserved
--
64KB
5
$FFFE0000 - $FFFEFFFF
reserved
--
64KB
2