PPC440EP datasheet(6/84 Pages) AMCC

6 / 84 page

AMCC Proprietary

440EP – PPC440EP Embedded Processor

Revision 1.26 – April 25, 2007

Data Sheet

Address Maps

The PPC440EP incorporates two address maps. The first is a fixed processor System Memory Address Map. This

address map defines the possible contents of various address regions which the processor can access. The

second is the DCR Address Map for Device Configuration Registers (DCRs). The DCRs are accessed by software

running on the PPC440EP processor through the use of mtdcr and mfdcr instructions.

Table 1. System Memory Address Map (Sheet 1 of 2)

Function

Sub Function

Start Address

End Address

Size

Local Memory1

DDR SDRAM

0 0000 0000

0 3FFF FFFF

1GB

Reserved

0 4000 0000

0 4FFF FFFF

USB 2.0 Device Bus

OPB Arbiter for USB (OPB 1)

0 5000 0000

0 5000 003F

64B

Reserved

0 5000 0040

0 5000 00FF

USB 2.0 Device

0 5000 0100

0 5000 017F

128B

Reserved

0 5000 0180

0 7FFF FFFF

EBC

0 8000 0000

0 9FFF FFFF

512MB

PCI

PCI Memory

0 A000 0000

0 DFFF FFFF

1GB

Reserved

0 E000 0000

0 E7FF FFFF

PCI I/O

0 E800 0000

0 E800 FFFF

64KB

Reserved

0 E801 0000

0 E87F FFFF

PCI I/O

0 E880 0000

0 EBFF FFFF

56MB

Reserved

0 EC00 0000

0 EEBF FFFF

Configuration Registers

0 EEC0 0000

0 EEC0 0007

Reserved

0 EEC0 0008

0 EECF FFFF

PCI Interrupt Ack / Special Cycle

0 EED0 0000

0 EED0 0003

Reserved

0 EED0 0004

0 EF3F FFFF

Local Configuration Registers

0 EF40 0000

0 EF40 003F

64B

Reserved

0 EF40 0040

0 EF4F FFFF

PPC440EP 数据表(PDF) 6 Page - Applied Micro Circuits Corporation

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