PCCchip2
Overall Memory Map
3
Address Range
$FFF42000-$FFF4203F
$FFF42040-$FFF42FFF
$FFF43000-$FFF43FFF
$FFF45000-$FFF450FF
$FFF45100-$FFF45FFF
$FFF46000-$FFF46FFF
$FFF47000-$FFF47FFF
$FFF80000-$FFFBFFFF
$FFFC0000-$FFFCFFFF
3-10
The following memory map includes all devices selected by the PCCchip2
map decoders, including those internal to the chip and those external.
These devices respond only when the Transfer Type signals carry the
values of %00 or %01 which correspond to Normal and MOVE16 accesses
on the Local Bus.
Table 3-1. PCCchip2 Devices Memory Map
PCCchip2 Registers
PCCchip2 Registers
MCECC (Memory Controller)
CD2401 (SCC)
CD2401 (SCC)
82596CA (LANC)
53C710 (SCSI)
Reserved
DS1643/M48T58 (BBRAM,
TOD Clock)
Selected Device
Computer Group Literature Center Web Site
Comments
See Programming Model
Repeated
External Device
External Device
Repeated
External Device
External Device
External Device
External Device