參數(shù)資料
型號: 405EX
廠商: Applied Micro Circuits Corp.
英文描述: PowerPC 405EX Embedded Processor
中文描述: 嵌入式處理器的PowerPC 405EX
文件頁數(shù): 56/67頁
文件大?。?/td> 457K
代理商: 405EX
PPC405EX – PowerPC 405EX Embedded Processor
6
AMCC Proprietary
Revision 1.09 - August 21, 2007
Preliminary Data Sheet
Address Maps
The PPC405EX incorporates two address maps. The first address map defines the possible use of addressable
memory regions that the processor can access. The second address map defines Device Configuration Register
(DCR) addresses (numbers). The DCRs are accessed by software running on the PPC405EX processor through
the use of mtdcr and mfdcr instructions.
Table 1. System Memory Address Map (4GB System Memory)
Function
Subfunction
Start Address (Hex)
End Address (Hex)
Size
Local Memory
DDR 1/2 SDRAM
0 0000 0000
0 7FFF FFFF
2GB
EBC
0 8000 0000
0 8FFF FFFF
256MB
PCI Express
0 9000 0000
0 EF5F 00FF
1.5GB
OPB Peripherals
GPT
0 EF60 0000
0 EF60 01FF
512B
UART 0
0 EF60 0200
0 EF60 0207
8B
Reserved
0 EF60 0208
0 EF60 02FF
248B
UART 1
0 EF60 0300
0 EF60 0307
8B
Reserved
0 EF60 0308
0 EF60 03FF
248B
IIC 0
0 EF60 0400
0 EF60 041F
32B
Reserved
0 EF60 0420
0 EF60 04FF
224B
IIC 1
0 EF60 0500
0 EF60 051F
32B
Reserved
0 EF60 0520
0 EF60 05FF
224B
SCP
0 EF60 0600
0 EF60 0605
6B
Reserved
0 EF60 0606
0 EF60 06FF
250B
OPB Arbiter
0 EF60 0700
0 EF60 073F
64B
Reserved
0 EF60 0740
0 EF60 07FF
192B
GPIO
0 EF60 0800
0 EF60 087F
128B
Reserved
0 EF60 0880
0 EF60 08FF
128B
Ethernet 0
0 EF60 0900
0 EF60 09FF
256B
Ethernet 1
0 EF60 0A00
0 EF60 0AFF
256B
RGMII Bridge
0 EF60 0B00
0 EF60 0C03
260B
Reserved
0 EF60 0C04
0 EF60 FFFF
62KB
PLB/AHB Peripherals
PKA +TRNG
0 EF61 0000
0 EF61 FFFF
64KB
PCI Express Interrupt Handler
0 EF62 0000
0 EF62 00FF
256B
Reserved
0 EF62 0100
0 EF6B FFFF
640KB
USB OTG
0 EF6C 0000
0 EF6F FFFF
256KB
Security
0 EF70 0000
0 EF77 FFFF
512KB
Reserved
0 EF78 0000
0 EFFF FFFF
8.9MB
EBC
EBC Memory
0 F000 0000
0 FFDF FFFF
254MB
EBC Memory—Boot ROM
0 FFE0 0000
0 FFFF FFFF
2MB
Notes:
1. If peripheral bus boot is selected, peripheral bank 0 is automatically configured at reset to the address range listed above.
2. After the boot process, software may reassign the boot memory regions for other uses.
3. PCI Express can use PLB address range 1 0000 0000 to FFFF FFFF FFFF FFFF even though the CPU can not access it.
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