Revision 1.15 – August 30, 2007
440GX – Power PC 440GX Embedded Processor
Data Sheet
System Memory Address Map
Function
DDR SDRAM
SRAM
Local Memory
1
(Sheet 1 of 2)
Sub Function
Start Address
0 0000 0000
0 8000 0000
0 8000 4000
0 FFFF 0000
1 0000 0000
1 4000 0000
1 4000 0200
1 4000 0208
1 4000 0300
1 4000 0308
1 4000 0400
1 4000 0420
1 4000 0500
1 4000 0520
1 4000 0600
1 4000 0640
1 4000 0700
1 4000 0780
1 4000 0790
1 4000 07A0
1 4000 0800
1 4000 0900
1 4000 0A00
1 4000 0B00
1 4000 0C00
1 4000 0D00
1 4000 0E00
1 4000 0F00
1 F000 0000
1 FFE0 0000
End Address
0 7FFF FFFF
0 8000 3FFF
0 FFFE FFFF
0 FFFF FFFF
1 3FFF FFFF
1 4000 01FF
1 4000 0207
1 4000 02FF
1 4000 0307
1 4000 03FF
1 4000 041F
1 4000 04FF
1 4000 051F
1 4000 05FF
1 4000 063F
1 4000 06FF
1 4000 077F
1 4000 078F
1 4000 079F
1 4000 07FF
1 4000 08FF
1 4000 09FF
1 4000 0AFF
1 4000 0BFF
1 4000 0CFF
1 4000 0DFF
1 4000 0EFF
1 EFFF FFFF
1 FFDF FFFF
1 FFFF FFFF
254MB
2MB
256B
256B
256B
256B
256B
256B
256B
128B
16B
16B
64B
32B
32B
8B
8B
64KB
1GB
Size
2GB
256KB
Reserve
IMU
EBC
Reserved
UART0
Reserved
UART1
Reserved
IIC0
Reserved
IIC1
Reserved
OPB Arbiter
Reserved
Internal Peripherals
GPIO Controller
Ethernet PHY ZMII
Ethernet PHY GMII
Reserved
Ethernet 0 Controller
Ethernet 1 Controller
General Purpose Timer
TCPIP Accelerator 0
Ethernet 2 Controller
TCPIP Accelerator 1
Ethernet 3 Controller
Reserved
Expansion ROM
2
Boot ROM
2, 3
AMCC
7
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
