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Table 6-2. MPC8272ADS Memory Map
Address
Memory
Range
Type
C0000000 -
Empty space
C1FFFFFF
C2000000 -
Flash SIMM
C2FFFFFF
C3000000 -
C37FFFFF
C3800000 -
C3FFFFFF
C4000000 -
Empty space
CFFFFFFF
D0000000 -
Empty space
D07FFFFF
D0800000 -
Empty space
FFFFDFFF
5
FFF00000
-
2
E
PROM
FFFFFFFF
1
The device appears repeatedly in multiples of its port-size (in bytes) X depth. E.g., BCSR0 appears at memory
locations 4700000, 4700020, 4700040..., while BCSR1 appears at 4700004, 4700024, 4700044... and so on.
2
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.
3
Initially at h0F000000 - h0F00FFFF, set by hard reset configuration.
4
Refer to the MPC8272 PowerQUICC II
internal memory map.
5
An 8-Kbyte device is used (16- and 32-Kbyte devices can also be used) so it appears repeatedly in 8 Kbyte multiples
starting from FFF00000.
6.2
PowerQUICC II Register Programming
The PowerQUICC II provides the following functions on the MPC8272ADS:
• System functions that include the following:
— PPC bus SDRAM controller
— Chip-select generator
• Communication functions that include the following:
— ATM SAR
— Dual Fast Ethernet controller
— UART for terminal or host computer connection
— USB controller
Device Name
16M SIMM -
SM73248
8M
SIMM
-
SM73228
ATMEL AT28HC64B
TM
Family Reference Manual for complete description of the PowerQUICC II
Chapter 6. Memory Map
PowerQUICC II Register Programming
—
2
E
PROM as Boot Device
32M SIMM -
SM73288
Port
Memory
Size
Size
-
32 MBytes
32
32 MBytes
~200
MBytes
8 MBytes
~1 GBytes
8
32 KBytes
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