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Table 6-1. MPC8272ADS Memory Map — Flash (or BCSR) as Boot Device
Address
Range
C0000000 -
Memory
Type
Empty space
Device Name
Port
Size
-
Memory
Size
32 MBytes
C1FFFFFF
C2000000 5 -
E 2 PROM
ATMEL AT28HC64B
8
32 KBytes
C2007FFF
C2008000 -
CFFFFFFF
D0000000 -
D07FFFFF
D0800000 -
FDFFFFFF
Empty space
Empty space
Empty space
~200
MBytes
8 MBytes
~1 GBytes
FE000000 6 -
Flash SIMM
32M SIMM -
32
32 MBytes
FEFFFFFF
FF000000 -
FF7FFFFF
16M SIMM -
SM73248
SM73288
FF800000 -
FFFFFFFF
8M SIMM
SM73228
-
1
2
3
4
5
6
The device appears repeatedly in multiples of its port-size (in bytes) X depth. That is, BCSR0 appears at memory
locations 4700000, 4700020, 4700040..., while BCSR1 appears at 4700004, 4700024, 4700044... and so on.
The internal space of the ATM UNI control port is 256 bytes, however, the minimal block size that may be controlled
by the GPCM is 32 KBytes.
Initially at h0F000000 - h0F00FFFF, set by hard reset configuration.
Refer to the MPC8272 PowerQUICC II TM Family Reference Manual for complete description of the internal memory
map.
An 8 Kbyte device is used (16 Kbyte and 32 Kbyte devices can also be used) so it appears repeatedly in 8Kbyte
multiples starting from C2000000.
Set by hard-reset configuration.
Table 6-2. MPC8272ADS Memory Map — E 2 PROM as Boot Device
Address
Range
Memory
Type
Device Name
Port
Size
Memory
Size
00000000 -
SDRAM DIMM
64 MByte
64 MByte
64
64 MBytes
03FFFFFF
04000000 -
Empty space
-
5 MBytes
044FFFFF
Chapter 6. Memory Map
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