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Overview: Physical Memory Map
10006757-02 PmPPC7448 User’s Manual
1-5
Table 1-1 summarizes the physical addresses for the PmPPC7448 and provides a reference
to more detailed information:
Table 1-1: Address Summary
1.If Monarch, read only; if non-Monarch, write only.
2.Depends on Flash size.
Hex Physical
Address:
Access
Mode: Description: See Page:
FF80,0000 R/W Boot Mirror –
FF80,0000 R/W Boot Mirror –
F854,0000 – Reserved –
F850,0000 MV64460 SRAM 5-3
F830,0000 – Reserved –
F820,E000 R/W PCI Reset Out Enable register 7-2
F820,D000 W DMC LED register 10-10
F820,C000 R Board Configuration register 3 (BCR3) 7-6
F820,B000 – Reserved (BCR2) –
F820,A000 R/W Board Configuration register 1 (BCR1) 7-6
F820,9000 R Board Configuration register 0 (BCR0) 7-6
F820,8000 R PLD Version register (PVR) 7-6
F820,7000 R Hardware Version register (HVR) 7-6
F820,6000 R Jumper Settings register (JSR) 10-10
F820,5000 R/W
11
EReady (ERdy) register 7-5
F820,4000 R Product ID register (PIR) 7-5
F820,3000 R/W Interrupt Pending register (IPR) 7-4
F820,2000 R/W Interrupt Enable register (IER) 7-4
F820,1000 W Reset Command register (RCR) 7-2
F820,0000 R Reset Event register (RER) 7-1
F820,0000 R/W CPLD 7-1
F810,0000 R/W MV64460 5-5
F800,0000 R/W ROM Flash Socket 4-1
EBFF,FFFF – Reserved
2
–
E800,0000 R/W Flash (32 MB, 64 MB) 4-1, 11-14
C000,0000 – Reserved –
8000,0000 R/W PCI 0 — Memory and I/O Space 5-4
0000,0000 R/W SDRAM (256 MB, 512 MB, 1 GB, 2 GB) 4-2