TC1796
System Units (Vol. 1 of 2)
Memory Maps
User’s Manual 9-17 V2.0, 2007-07
MemMaps, V2.0
13
3)
D000 0000
H
-
D000 DFFF
H
56 Kbyte Reserved
(DMI Local Data RAM)
PLMBBET PLMBBET
D000 E000
H
-
D000 FFFF
H
8 Kbyte Reserved
(DMI Dual-Port RAM))
D001 0000
H
-
D3FF FFFF
H
≈ 64
Mbyte
Reserved
D400 0000
H
-
D400 BFFF
H
48 Kbyte Reserved
(PMI Scratch-Pad RAM)
ignore ignore
D400 C000
H
-
D7FF FFFF
H
≈ 64
Mbyte
Reserved PLMBBET PLMBBET
D800 0000
H
-
DDFF FFFF
H
96 Mbyte External Peripheral Space EBU
access
EBU
access
DE00 0000
H
-
DEFF FFFF
H
16 Mbyte External Emulator Space
DF00 0000
H
-
DFFF BFFF
H
≈ 16
Mbyte
Reserved PLMBBET PLMBBET
DFFF C000
H
-
DFFF DFFF
H
8 Kbyte Boot ROM (BROM) access PLMBBET
DFFF E000
H
-
DFFF FFFF
H
8 Kbyte Test ROM (TROM)
14
3)
E000 0000
H
-
E7FF FFFF
H
128
Mbyte
External Peripheral Space EBU
access
EBU
access
E800 0000
H
-
EFFF FFFF
H
128
Mbyte
Reserved PLMBBET PLMBBET
Table 9-4 PLMB Address Map (cont’d)
Seg-
ment
Address
Range
Size Description Action
Read Write