Overall memory map, Overall memory map -10, Table 3-1. pccchip2 devices memory map -10 – Motorola MVME1X7P User Manual

Page 208

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3-10

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PCCchip2

3

Overall Memory Map

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

Address Range

Selected Device

Comments

$FFF42000-$FFF4203F

PCCchip2 Registers

See Programming Model

$FFF42040-$FFF42FFF

PCCchip2 Registers

Repeated

$FFF43000-$FFF43FFF

MCECC (Memory Controller)

External Device

$FFF45000-$FFF450FF

CD2401 (SCC)

External Device

$FFF45100-$FFF45FFF

CD2401 (SCC)

Repeated

$FFF46000-$FFF46FFF

82596CA (LANC)

External Device

$FFF47000-$FFF47FFF

53C710 (SCSI)

External Device

$FFF80000-$FFFBFFFF

Reserved

External Device

$FFFC0000-$FFFCFFFF

DS1643/M48T58 (BBRAM,
TOD Clock)

External Device

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