Motorola 700/800-Series User Manual
Memory Maps
1-31
1
Note
The IP2 chip on the MVME162LX supports up to four
IP interfaces, designated IP_a through IP_d. The
700/800-series MVME162LX itself accommodates two
IPs: IP_a and IP_b. In the following map, the segments
applicable to IP_c and IP_d are not used in the 700/800-
series MVME162LX.
IP interfaces, designated IP_a through IP_d. The
700/800-series MVME162LX itself accommodates two
IPs: IP_a and IP_b. In the following map, the segments
applicable to IP_c and IP_d are not used in the 700/800-
series MVME162LX.
Table 1-5. Local I/O Devices Memory Map
Address Range
Devices Accessed
Port
Width
Size
Notes
$FFF00000 - $FFF3FFFF
Reserved
- -
256KB
4
$FFF40000 - $FFF400FF
VMEchip2 (LCSR)
D32
256B
1, 3
$FFF40100 - $FFF401FF
VMEchip2 (GCSR)
D32-D8
256B
1, 3
$FFF40200 - $FFF40FFF
Reserved
- -
3.5KB
4, 5
$FFF41000 - $FFF41FFF
Reserved
- -
4KB
4
$FFF42000 - $FFF42FFF
MC2chip
D32-D8
4KB
1
$FFF43000 - $FFF430FF
MCECC #1
D8
256B
1, 8
$FFF43100 - $FFF431FF
MCECC #2
D8
256B
1, 8
$FFF43200 - $FFF43FFF
MCECCs (repeated)
- -
3.5KB
1, 5, 8
$FFF44000 - $FFF44FFF
Reserved
- -
8KB
4
$FFF45000 - $FFF457FF
SCC #1 (Z85230)
D8
2KB
1, 2
$FFF45800 - $FFF45FFF
SCC #2 (Z85230)
D8
2KB
1, 2
$FFF46000 - $FFF46FFF
LAN (82596CA)
D32
4KB
1, 6
$FFF47000 - $FFF47FFF
SCSI (53C710)
D32-D8
4KB
1
$FFF48000 - $FFF57FFF
Reserved
- -
64KB
4
$FFF58000 - $FFF5807F
IP2 IP_a I/O
D16
128B
1
$FFF58080 - $FFF580FF
IP2 IP_a ID
D16
128B
1
$FFF58100 - $FFF5817F
IP2 IP_b I/O
D16
128B
1
$FFF58180 - $FFF581FF
IP2 IP_b ID Read
D16
128B
1